Ask This Old House

At the Ask This Old House barn loft, Roger demonstrates different ways to mend a damaged garden hose. Richard shows the basic plumbing tools he recommends for homeowners. Tom explains how to use a square as a guide for cross-cutting with a circular saw. Tom then makes a House Call to homeowners struggling with a muddy lawn under the swings. More Info & Resources

Richard visits a homeowner and installs an air eliminator valve on her hydronic heating system, reducing the need for annual maintenance. At the Ask This Old House barn loft, Tom shows how to remove nails without damaging the trim on a door frame. Steve and Roger perform annual maintenance on a snow blower. Steve consults with Jim on ways to clean and maintain old paintbrushes. Tom makes a House Call to a young couple and shows them how to use sisal and jute rope to fill the gaps in their 160-year-old pine floor. More Info & Resources

Tom visits a young couple and teaches them how to repair a cracked plaster ceiling in their condominium. In the workshop loft, Richard and Steve rebuild a toilet to prevent it from continuously filling. Roger uses a stump grinder to remove an old tree stump from a homeowners front yard. Back in the loft, Tom replaces a broken pane of glass and reglazes a window sash. More Info & Resources

In the workshop loft, Tom shows Steve how to cut wooden bung holes and install them in decking. Jim visits a viewer and shows her why the new paint in her bathroom is cracking and peeling. In the loft, Tom, Steve and Roger examine two unfamiliar objects and try to guess what theyre used for. Tom makes a House Call and shows a young couple how to build an attractive outdoor lattice. More Info & Resources

In the Ask This Old House loft, Richard and Steve take apart an old washing machine to determine why its making a loud rumbling sound. Roger pays a visit to a homeowner and uses a pressure washer to clean off his slippery brick walkway. Back in the loft, Steve, Tom, Roger and Richard examine two unfamiliar objects and try to guess how theyve used. Tom demonstrates different types of spirit levels, and Richard sets out to help a homeowner with a leaky kitchen faucet. More Info & Resources

In the loft, Tom shows different types of store-bought sawhorses and teaches Steve how to build a pair from scratch. Richard hits the road and installs a new frost-proof outdoor faucet for a homeowner. Back in the loft, Tom, Richard, Roger and Steve examine two unfamiliar objects and try to guess how theyre used. Roger then shows Steve how to collect and compost leaves. More Info & Resources

Richard visits a homeowner and installs a new shower faucet that will eliminate the chance of scalding. Roger and Steve head outside to test the latest robotic lawn mowers. Tom and an animal control expert visit a homeowner and help her ""critter-proof"" her house. More Info & Resources

In the barn loft, Jim shows Steve the proper way to paint the exterior of a double-hung window. Roger helps homeowners Paul and Claire Blumenfeld aerate and fertilize their lawn. Then Roger, Steve, Tom and Richard examine two unfamiliar objects and try to guess how theyre used. Tom then shows Steve different ways to hang a picture on a hollow wall. More Info & Resources

Tom visits homeowners Roy and Sandra Lynn and shows them several products that are designed to keep leaves and other debris out of rain gutters. Then Tom, Richard, Roger and Steve examine two unfamiliar objects and try to guess how theyre used. Richard then visits homeowners Steve and Maureen Parker and helps them repair their wobbly toilet. More Info & Resources

Tom helps homeowners Annette Ritchie and Charlie Bubar remove the aluminum siding around their window and repair the damaged sill. Back in the loft, Tom, Richard, Roger and Steve examine two unfamiliar objects and try to guess how theyre used. Then Jim shows Steve how to use different types of paint rollers while Roger and knife sharpening expert Stan Watson sharpen kitchen knives. More Info & Resources

Richard examines homeowner Kerry Goodwins leaky shower tub faucet. Together, they purchase the replacement parts from a local plumbing supply company and repair the fixture. Then Richard, Tom, Roger and Steve examine an unfamiliar object and try to guess how its used. Jim helps homeowners Kathleen and Kevin OConnor remove painted wallpaper. And back in the loft, Tom and Steve demonstrate several hot glue guns, including a new cordless model. More Info & Resources

Richard is off to Chicago to help homeowner Dave Skena install a new garbage disposer. Back in the loft, Ricard, Tom, Roger and Steve examine two unfamiliar objects and try to guess how theyre used. Outside the barn, Roger and hearing protection expert Dr. Mark Stephenson test the decibel level of several power tools. Inside, they show Tom several new types of hearing protection. More Info & Resources

In the loft, Richard shows Steve several different ways to clear a toilet stoppage. Then Richard, Steve, Tom and Roger examine an unfamiliar object and try to guess how its used. Tom and homeowner Tom Flannery install a new set of folding attic stairs and Roger shows Steve how to start tomato plants from seeds. More Info & Resources

Securing a shaky newel post at the top of a stairway; replacing a 50-year-old water heater.

Repairing holes in drywall; replacing a large 1920s wall-mounted toilet.

Installing interior window trim; hiding utility boxes in front of a house; fixing a broken spray hose on a kitchen faucet.

Replacing wall-to-wall carpeting with pre-finished hardwood flooring; pros and cons of floors; replacing a rusty bathroom sink stopper.

Chimney flue repairs; installing an anti-sweat valve to prevent condensation on a toilet tank.

Repairing an irrigation system; fixing a bathtub leak.

Brick-walk installation; cutting a miter in wood trim.

Examining water quality; installing a water softener and filter; replacing a rotten board in hardwood flooring.

Protecting shrubs from deer; pipe connections; fixing a shower door that will not close properly.

Programmable thermostat installation; repairing a cracked plaster and lath wall.

Installing a curved basecap molding in a stairwell; purchasing electrical wire by the foot; collecting sap and making maple syrup.

Installing track lighting in the kitchen; how to quiet noisy baseboard heaters.

Repairing a damaged door jamb and installing a new storm door; choosing the right garden tools for spring cleanup.

Richard makes a House call in Wellesley, Massachusetts, to help homeowner Ziad Tarawneh replace a trap under his bathroom sink. Back in the loft, Roger shows Kevin a few design options for laying out a brick walkway. Then Tom shows homeowners Rudd Coffey and Melissa Liazos of Watertown, Massachusetts, how to make their cracked plaster ceiling look like new by covering it with drywall. More Info & Resources

Tom visits homeowners David and Patti Dobrindt in Milton, Massachusetts, to help them cut a pass-through in their kitchen wall. Back in the loft, the guys ask, ""What Is It?"" After that, Rich repairs a continuously running toilet in West Roxbury, Massachusetts, for homeowner Peter Fay. More Info & Resources

Tom helps spruce up the front of homeowner Stacy Kellers Acton, Massachusetts, house by building window boxes for flowers. Then Tom, Roger, Richard and Kevin ask, ""What Is It?"" Then Roger installs sod to create a brad-new lawn in the backyard of Needham, Massachusetts, homeowner Peter Burdick, just in time for his familys annual barbecue. More Info & Resources

Tom helps homeowners Rich and Sarah Paisner of Brighton, Massachusetts, get organized by installing adjustable shelves on the wall in their den. Back in the loft, Tom, Richard, Roger and Kevin ask, ""What Is It?"" Then Roger is joined by soil expert Roberta Clark from the University of Massachusetts for some tips on testing soil before planting. Then Richard gets Tewksbury, Massachusetts, homeowner Paige Impink into hot water by installing a hot water recirculator pump in her upstairs bathroom. More Info & Resources

Richard visits Stephen Davidson of Littleton, Massachusetts to find the source of a strange ""fog horn"" sound coming from his plumbing system. Then Richard, Tom, Roger and Kevin ask, ""What Is It?"" Back in the loft, Tom shows the three basic cuts necessary to install crown molding. And tile contractor Joe Ferrante helps homeowner Brandon Ingersoll of Cambridge, Massachusetts replace some hard-to-find broken bathroom tiles. More Info & Resources

Tom heads to sunny Los Angeles, California where he helps homeowner Joshua Tano repair some cracked stucco. Back in the loft, Tom, Richard, Roger and Kevin ask, ""What Is It?"" Then, Roger shows Kevin how to keep a lawnmower humming all summer long by cleaning underneath the deck. Then, Richard helps water-logged homeowner Karen Kostegan of Bedford, Massachusetts install a pump to remove condensate from her basement dehumidifier. More Info & Resources

Tom heads to the windy city suburb of Park Ridge, Illinois, where he helps homeowner Richard Westphal replace the broken window pane in an exterior door. Back in the loft, Tom and glass expert Larry Rosenfield show Kevin different kinds of safety glass. Afterwards, Tom, Kevin, Richard and Roger ask, ""What Is It?"" Then Roger is off to Brookline, Massachusetts to ""let the sunshine in"" for homeowner Elizabeth Choi by pruning her Pin Oak tree with the help of arborist Matt Foti. More Info & Resources

In the Ask This Old House loft, Tom shows Kevin a few ways to recreate different molding profiles. Then, Roger heads to Skokie, Illinois where he has some ""uplifting"" advice for a homeowner with a sinking brick patio. After that, Tom, Roger, Richard and Kevin guess ""What Is It?"" in the loft, Then, Jim shows Kevin and homeowner Caroline Pooler of Andover, Massachusetts a new way to strip wallpaper. More Info & Resources

In the barn loft, Richard ""clears up"" the mysteries of clogged bathtub drains. Then, Tom helps Marblehead, Massachusetts homeowner Terry Lavelle replace his double-hung window weights with spring loaded sash balancers. Afterwards, Tom shows Kevin how to insulate the empty window weight pockets to prevent cold winter drafts. Then Tom, Richard, Kevin and Roger ask, ""What Is It?"" Finally, Roger helps a very thoughtful tenant, Brett Campbell of Arlington, Massachusetts, plant a low-maintenance garden for his elderly landlady. More Info & Resources

Tom helps homeowner Mark Andrews of Charleston, Massachusetts level an uneven concrete floor so that he can install hardwood flooring. Then Tom, Richard, Roger and Kevin ask, ""What Is It?"" in the Ask This Old House loft. Then, Richard shows homeowner Jenna Williams of Rex, Georgia a simple repair for a leaky water shut-off valve. Then, up in the loft, Tom teaches Kevin about air-compressors and how to select the right one for the job. More Info & Resources

Roger heads to Alpharetta, Georgia to help homeowner Dale Eneberg shop for a new riding lawnmower. Then Roger, Richard, Tom and Kevin ask, ""What Is It?"" Later, Tom replaces a rotting wooden threshold for homeowners Steve Chapman and Maggie Hale of Arlington, Massachusetts. And, back in the loft, Richard shows Kevin how garbage disposers work and explains how to keep them working like new. More Info & Resources

Richard helps a pair of homeowners from Arlington, Massachusetts install an electronic air cleaner on their forced-air furnace. Then Roger shows Kevin some tools and materials for removing ice from concrete walkways. And Tom shows homeowner Enza Sheehan of Swampscott, Massachusetts how to properly vent a bathroom fan to the outside of the house. More Info & Resources

Tom makes a house call to Atlanta, Georgia to show homeowner Terry Andrews how to use masonry fasteners to install window boxes on his brick townhouse. Then Tom, Richard, Roger and Kevin ask, ""What Is It?"" Then, back in the loft, Richard shows Kevin several different ways to make copper pipe connections, including a new solderless system. Then, Roger helps homeowner Alan Lear of Carlisle, Massachusetts install a perimeter drain to catch rainwater running off of his roof. More Info & Resources

General contractor Tom Silva quiets a homeowners squeaky stairs and replaces a broken baluster. Then Tom, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook, and host Kevin OConnor ask, "What is it?" Then, Richard helps a homeowner prevent a damaging flood by installing an automatic shut-off valve for her washing machine.

Up in the loft, landscaping contractor Roger Cook shows host Kevin OConnor how to repair a flat wheelbarrow tire. He also shows a new type of flat-free tire. Then, general contractor Tom Silva helps a homeowner repair an aluminum rain gutter. Then, back in the loft, Kevin and Tom demonstrate a tip sent in from a viewer on how to drill a hole in ceramic tile. Then, plumbing and heating expert Richard Trethewey helps a homeowner with a leaking T&P valve on his water heater by installing a thermal expansion tank.

Landscaping contractor Roger Cook helps a young couple build a raised garden bed using composite landscape timbers made from recycled plastic and sawdust. Back in the loft, Roger shows host Kevin OConnor several other types of landscape timbers, including one that has been pressure-treated with liquid glass. Then, plumbing and heating expert Richard Trethewey helps a homeowner clear a slow-draining bathtub using a plumbing snake.

Up in the loft, general contractor Tom Silva gives host Kevin OConnor a few lessons on the proper use of a circular saw. Then, plumbing and heating expert Richard Trethewey installs a new outdoor faucet for a homeowner using flexible plastic tubing called PEX. Then Richard, along with Tom, Kevin and landscaping contractor Roger Cook ask, "What is it?" And arborist Matt Foti prevents a tree from splitting in half by installing steel cables and through-bolts to hold it together.

Landscaping contractor Roger Cook helps a pair of homeowners tame an overgrown privet hedge with some "rejuvenation pruning." Then, plumbing and heating expert Richard Trethewey helps a homeowner install a laundry sink in the basement of her new townhouse. Together, they run the copper pipes for the water supply, make the new PVC drain connection, and connect the plumbing vent.

Host Kevin OConnor heads to southern California and meets with a local expert to learn about the proper tools techniques for window washing. Then back in the loft, Kevin, along with landscaping contractor Roger Cook, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask, "What is it?" Then, Richard helps a pair of homeowners flush the sediment out of their aging electric water heater. Later, up in the loft, Richard demonstrates several water heater maintenance tips.

Host Kevin OConnor heads to Minneapolis, Minnesota to help a pair of homeowners who have discovered dangerous levels of radon gas in their finished basement. Then, up in the loft, Kevin shows a number of radon test kits available at home centers and local health departments. Then, landscaping contractor Roger Cook shows a homeowner how to prune his apple tree to produce healthy fruit.

Up in the loft, general contractor Tom Silva shows host Kevin OConnor several different types of hammers and how to use them properly. Then, plumbing and heating expert Richard Trethewey helps a homeowner repair a pressure-assisted toilet. Tom then gives Kevin some lessons on how to patch a large hole in a wall using veneer plaster and blueboard.

Landscaping contractor Roger Cook shows a homeowner how to transplant a spruce tree that was originally planted too close to her house. Then Roger, along with plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin OConnor ask, "What is it?" Then, Tom heads off to Seattle to help a homeowner extend a staircase handrail using a new type of fastening system.

Landscaping contractor Roger Cook and a specialist help a homeowner install a granite driveway marker so that visitors can more easily find his house. Then Roger, along with plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin OConnor ask, "What is it?" Afterward, Richard heads to Pennsylvania to fix a hot water radiator that is not providing any heat.

Up in the loft, plumbing and heating expert Richard Trethewey shows host Kevin OConnor how to repair damaged threads on a radiator using a drill and "tap." Then, landscaping contractor Roger Cook helps a homeowner solve a grading problem that is causing wood rot on the side of her house. Then Richard and Kevin, along with general contractor Tom Silva and host Kevin OConnor ask, "What is it?" Afterward, Tom shows Kevin how to stabilize a wobbly newel post. Then, Kevin and a tub refinisher help a homeowner refinish her old cast-iron bathtub and make it look like new.

Plumbing and heating expert Richard Trethewey helps a homeowner select and install a new dishwasher. Then, Richard, along with general contractor Tom Silva, landscaping contractor Roger Cook and host Kevin OConnor ask, "What is it?" Then, up in the loft, Tom shows Kevin how to sharpen wood chisels using different types of sharpening stones. Then, Roger and Kevin head outside for some lessons on proper use of lawn spreaders.

Plumbing and heating expert Richard Trethewey visits a homeowner in Kansas to help install a mini-split air conditioning system. Then, Richard, along with general contractor Tom Silva, landscaping contractor Roger Cook, and host Kevin OConnor ask, "What is it?" Then, Roger helps a homeowner "wake up the lawn" in preparation for spring by using a de-thatching machine.

Plumbing and heating expert Richard Trethewey helps a homeowner replace a clogged aerator on his bathroom faucet. Then, up in the loft, landscaping contractor Roger Cook is joined by plant expert Carrie Kelly to learn about caring for houseplants. Then, general contractor Tom Silva helps a homeowner quiet a squeaky subfloor hidden underneath wall-to-wall carpeting using special "breakaway" screws.

General contractor Tom Silva heads to Las Vegas to help a young homeowner organize her garage by installing new cabinets designed especially for garages. Then, in the "What is it?" segment, host Kevin OConnor and landscaper Roger Cook test a new type of vacuum-assisted post hole digger. Afterward, electrician John Barros visits a homeowner who needs help installing a new ceiling fan. Then, up in the loft, John shows Kevin a few other ways of installing fan-rated electrical boxes.

General contractor Tom Silva helps a homeowner with a large carpentry project: rebuilding a small exterior deck. They start by removing the existing deck, which has rotted and become unstable. Together, they build a new deck, including stairs and handrails, using pressure-treated lumber and composite deck boards.

Up in the loft, stone countertop expert Jason Keefe shows host Kevin OConnor how to maintain stone countertops and prevent stains. Then Kevin, along with landscaping contractor Roger Cook, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask, "What is it?" Afterward, Roger and fence contractor Mike McLaughlin help a homeowner install a chain link fence.

Tile contractor Joe Ferrante helps a homeowner install a brand new kitchen backsplash using glass tile. Then, landscaping contractor Roger Cook helps a homeowner replace a damaged section of lawn using sod.

Plumbing and heating expert Richard Trethewey heads to San Francisco to help a homeowner repair an old shower mixing valve. Then Richard, along with host Kevin OConnor, landscaping contractor Roger Cook, and general contractor Tom Silva ask, "What is it?" Then, up in the loft, Kevin and Tom are joined by battery expert Tim Pugh to discuss battery technology in cordless tools and proper recycling of batteries.

Landscaping contractor Roger Cook and arborist Matt Foti help a homeowner properly prune his overgrown willow tree. Then, plumbing and heating expert Richard Trethewey heads to Denver to fix a hot water heating system that doesnt provide enough heat to a newly-built addition.

Landscaping contractor Roger Cook heads to Denver to help a pair of homeowners remove an overgrown Juniper bush. Then, up in the loft, host Kevin OConnor and general contractor Tom Silva demonstrate the proper way to coil extension cords. Then, plumbing and heating expert Richard Trethewey helps a homeowner replace a pop-up drain assembly on the pedestal sink in his bathroom.

Tom travels to Sacramento to help homeowners repair a damaged section in the vinyl flooring in their kitchen. In the Ask This Old House loft, Tom, Richard, Roger and Kevin examine an unfamiliar object and try to guess how it is used. Then Roger goes to Las Vegas to help a homeowner repair his leaking in-ground sprinkler system.

Landscape contractor Roger Cook shows a homeowner how the brick stairs in front of his house have created a blistering "micro-climate," causing damage to an adjacent shrub. Together, they remove the ailing shrub and replace it with a heat-tolerant yew. Then Roger, along with host Kevin OConnor, general contractor Tom Silva, and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Tom improves the ventilation in an attic by installing a solar-powered roof fan

Richard assists a homeowner in replacing a corroded shut-off valve with a new one without using soldering. In the Ask This Old House loft, Tom, Richard, Roger and Kevin examine an unfamiliar object and try to guess how it is used. Then Roger helps a homeowner with her rose bushes so they will climb a two-rail fence.

Roger Cook helps a homeowner replace a mailbox that had been damaged by snowplows. Tom Silva travels to St. Louis to help a a young couple repoint the failing mortar on the brick foundation of their home.

In the Ask This Old House loft, Tom Silva shows host Kevin OConnor how to build a simple workbench. Roger, Kevin OConnor, Richard Trethewey and Tom Silva examine an unfamiliar object and try to guess how it is used. Roger then gives Kevin tips on how to tune-up a gas-powered lawn mower. Then Richard silences a whistling forced-air heating system by installing a bypass duct.

Up in the loft, general contractor Tom Silva shows host Kevin OConnor a few different types of "squares" used for general carpentry. Then Tom and Kevin, along with plumbing and heating expert Richard Trethewey and host Kevin OConnor ask, "What is it?" Afterward, Roger helps a homeowner build a new patio using concrete paving bricks.

Up in the loft, plumbing and heating expert Richard Trethewey shows host Kevin OConnor a few devices for preventing plumbing floods in the home. Then, Roger helps a pair of homeowners remove some overgrown shrubs and replace them with appropriate "foundation plantings." Then Richard and Roger, along with general contractor Tom Silva and host Kevin OConnor ask, "What is it?" Then, Tom shows Kevin how to repair a rotted windowsill using a two-part epoxy.

Landscape contractor Roger Cook and arborist Matt Foti help a homeowner remove an old tree that threatens to fall on her house. Then Roger, along with host Kevin OConnor, plumbing and heating expert Richard Trethewey and general contractor Tom Silva ask, "What is it?" Then Tom helps a homeowner bring some character into a room by installing wood trim around a plain doorway.

Landscape contractor Roger Cook helps a young couple transform a muddy backyard into a low-maintenance play area for their two children. Then, up in the loft, plumbing and heating expert Richard Trethewey shows host Kevin OConnor several different types of portable space heaters and offers suggestions on how to choose the right one. Then Roger, Kevin and Richard are joined by general contractor Tom Silva for the regular "What is it?" segment. Afterward, Tom helps a homeowner with a bathroom fan that drips water down into the room.

Landscape contractor Roger Cook shows a homeowner in Portland, Oregon an innovative way to handle storm-water runoff from her roof. Later, Roger is joined in the loft by host Kevin OConnor, general contractor Tom Silva and plumbing and heating expert Richard Trethewey to answer the question, "What is it?" Then, Tom shows a homeowner how to refinish her hardwood floors.

Landscape contractor Roger Cook shows host Kevin OConnor several different ways to determine the grade, or pitch, of a landscape. Then, back in the loft, Roger and Kevin, along with general contractor Tom Silva and plumbing and heating expert Richard Trethewey ask, "What is it?" Then, Tom and Richard show Kevin different ways to "see" whats inside a wall. Finally, Richard helps a homeowner repair a bathtub that wont hold water.

Plumbing and heating expert Richard Trethewey helps a homeowner control the temperature of her radiators, which are overheating the rooms upstairs. Then Richard, along with host Kevin OConnor, general contractor Tom Silva and landscape contractor Roger Cook ask, "What is it?" Then, Tom helps a homeowner squeeze a new refrigerator into an opening thats just a little too small. Finally, Roger shares a tip from a viewer on how to tame a tangle of bungee cords.

General contractor Tom Silva helps a homeowner replace a skylight that is leaking water down into the kitchen below. Then Tom, along with host Kevin OConnor, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook ask, "What is it?" Afterward, electrician Peg Preble shows Kevin how to troubleshoot and repair a faulty 3-way light switch.

Plumbing and heating expert Richard Trethewey heads to Phoenix, Arizona to help a pair of homeowners install a new water softening system. Then, general contractor Tom Silva shows a homeowner how to install fiber-cement shingles on his new backyard shed.

In this special episode devoted to projects for kids, plumbing and heating expert Richard Trethewey shows two kids how to build a soccer goal using PVC plumbing pipes. Next, up in the loft, general contractor Tom Silva demonstrates how to build a pair of stilts. Then, landscape contractor Roger Cook shows a family how to build a sandbox and make replicas of fossils.

Landscape contractor Roger Cook replaces a set of rotten wooden stairs with new steps made of granite. Back in the loft, host Kevin OConnor shows general contractor Tom Silva the latest technology for deadbolt locks. Afterward, Richard travels to Raleigh, North Carolina to help a homeowner replace the leaky polybutylene pipes throughout his house.

This special episode is dedicated to the life and work of tile expert Joe Ferrante. Joe worked on many projects for This Old House and Ask This Old House over 20 years. This episode begins with Joe helping a homeowner replace a broken bathroom tile with a new tile that matches the existing color. Next, up in the loft, Joe shows host Kevin OConnor some different ways to cut ceramic and stone tile using both hand and power tools. Finally, Joe helps another homeowner install a kitchen backsplash using translucent glass tile.

Up in the loft, plumbing and heating expert Richard Trethewey shows host Kevin OConnor how to replace all the parts inside a typical toilet tank. Next, landscape contractor Roger Cook and Kevin head outside for a look at different types of above-ground sprinklers and some basic tips on watering a lawn. Finally, back in the loft, Tom shows Kevin how to build a very simple but elegant bookcase using plywood and portable power tools.

Landscaping contractor Roger Cook shows a pair of homeowners how to transplant a large, mature tree to their front yard. Then Roger, along with host Kevin OConnor, plumbing and heating expert Richard Trethewey and general contractor Tom Silva ask, "What is it?" Then, Richard helps two homeowners sleep better at night by quieting their noisy heating system.

Landscaping contractor Roger Cook helps two homeowners repair the damage done to their lawn when a new well was installed. Then Roger, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and host Kevin OConnor ask, "What is it?" Then, Tom shows a homeowner how to make a piece of curved stair molding with some red oak and a few simple power tools.

Up in the loft, general contractor Tom Silva shows host Kevin O’Connor how to repair damaged laminate countertops. Then, landscape contractor Roger Cook helps a homeowner rebuild a brick walkway. Then Tom, Kevin, Roger, and plumbing and heating expert Richard Trethewey ask, "What is it?" Then Richard shows Kevin several different types of filters for forced-air heating and cooling systems.

General contractor Tom Silva helps a homeowner prepare a shower enclosure for tile using a new type of waterproofing system. Then Tom, along with host Kevin OConnor, plumbing and heating expert Richard Trethewey, and landscaping contractor Roger Cook ask, "What is it?" Then, Roger helps two homeowners install a privacy screen using bushes and a decorative flower garden.

Plumbing & heating expert Richard Trethewey heads to Indianapolis to help a pair of homeowners install a whole-house water filter. Then Richard, along with general contractor Tom Silva, landscaping contractor Roger Cook, and host Kevin OConnor ask, "What is it?" Then Tom helps a homeowner repair a hole in a rubber roof and Richard shares a viewer tip for cutting PVC pipe without a saw.

Landscaping contractor Roger Cook helps a pair of homeowners break apart and remove a large boulder in their backyard. Then Roger, along with host Kevin OConnor, plumbing & heating expert Richard Trethewey and general contractor Tom Silva ask, "What is it?" Next, Richard helps two homeowners secure their loose pipes inside a shower wall and Tom shares a viewer tip about getting a secure grip on a hammer.

Landscaping contractor Roger Cook helps a homeowner in Charleston, South Carolina fix a sagging wooden gate. Then Roger, along with plumbing and heating expert Richard Trethewey, host Kevin OConnor, and general contractor Tom Silva ask, "What is it?" Then, Tom helps a homeowner replace his drafty old basement windows with new energy-efficient ones. Later, up in the loft, Tom and Richard discuss how to properly use different types of liquid foam insulation to prevent drafts.

Plumbing and heating expert Richard Trethewey helps a homeowner convert a claw foot bathtub into a shower. Then Richard, along with host Kevin OConnor, general contractor Tom Silva and landscape contractor Roger Cook ask, "What is it?" Later, Tom shows Kevin how to use different types of "fillers" for both wood and PVC trim. Then Roger helps a homeowner install a solar-powered fountain in her yard.

Landscape contractor Roger Cook shows a homeowner how to prune her neglected crabapple tree properly. Then Roger, along with host Kevin OConnor, general contractor Tom Silva and plumbing and heating expert Richard Trethewey ask, "What is it?" Later, Richard helps a homeowner install a new "anti-scald" shower-mixing valve.

Our annual "kids" episode features family-friendly projects that parents and kids can build together! First, landscaping contractor Roger Cook helps a 12-year-old budding master gardener build a raised bed for growing vegetables. Then, up in the loft, general contractor Tom Silva and plumbing and heating expert Richard Trethewey, with the help of several kids, build a miniature indoor golf course. Next, Kevin and a middle school teacher show some eager students how to build a model rocket launcher using commonly available household and hardware store items.

Plumbing and heating expert Richard Trethewey helps a California homeowner install a new type of "zoning" control for her forced-air heating and cooling system. Then Richard, along with landscaping contractor Roger Cook, host Kevin OConnor and general contractor Tom Silva ask, "What is it?" Next, Tom helps a homeowner re-grout the tile floor in her master bathroom.

General contractor Tom Silva helps a homeowner install a new garage door. Then plumbing and heating expert Richard Trethewey shows a homeowner how to "winterize" his plumbing to prevent frozen pipes when the house is unoccupied.

This episode demonstrates how to repair a leaking PVC drain trap under a kitchen sink, how to install a bamboo "floating" floor in a basement, and how to clean roof gutters without a ladder.

Host Kevin OConnor teams up with an electrician to install a home intercom system. Then Kevin, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook and general contractor Tom Silva ask, "What is it?" Next, Richard helps a homeowner make a wood-burning fireplace cleaner and more energy efficient by installing a gas-burning insert.

General contractor Tom Silva helps a homeowner install new aluminum gutters and downspouts. Then Tom, along with host Kevin OConnor, plumbing and heating expert Richard Trethewey and landscaping contractor Roger Cook ask, "What is it?" Afterward, Richard helps a homeowner install a new energy-efficient clothes washer and dryer.

Landscaping contractor Roger Cook joins plant expert Carrie Kelly at a nursery to learn about container gardening. Then, up in the loft, general contractor Tom Silva and host Kevin OConnor discuss different types of flooring, including solid wood, engineered wood, ceramic tile, vinyl, and linoleum. Next, Kevin and a television antenna expert help a homeowner install a new rooftop antenna for his digital TV.

General contractor Tom Silva and host Kevin OConnor head outside the barn to build a basic picnic table using common framing lumber. Then, Tom and Kevin, along with plumbing and heating expert Richard Trethewey and landscaping contractor Roger Cook ask, "What is it?" Then Richard helps a homeowner install a new utility sink in a basement laundry area.

Landscaping contractor Roger Cook helps a homeowner install stone veneer over an ugly concrete retaining wall. Then Roger, along with host Kevin OConnor, plumbing and heating expert Richard Trethewey and general contractor Tom Silva ask, "What is it?" Then, up in the loft, Richard shows Kevin how to retrofit dampers in forced-air HVAC ducts. Next, Tom shares a viewer tip about how to get the most from your can of insulating foam.

Landscaping contractor Roger Cook helps a pair of homeowners improve the appearance of an unsightly concrete retaining wall with wooden lattice and climbing vines. Then Roger, along with plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin OConnor ask, "What is it?" Next, up in the loft, Tom shows Kevin how to flash a newly-installed window properly. Then, Richard helps a homeowner quiet a noisy PVC plumbing vent in her attic.

General contractor Tom Silva helps a homeowner dress up an old fireplace by installing a new mantle and marble hearth. Then Tom, along with host Kevin OConnor, landscaping contractor Roger Cook and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Richard shows Kevin a few ways to improve the appearance of old baseboard heaters.

Landscaping contractor Roger Cook helps a homeowner conserve water by installing an innovative rainwater collection system. Then Roger, along with host Kevin OConnor, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask, "What is it?" Then Tom helps a pair of homeowners connect two rooms in their home by removing an interior load-bearing wall.

General contractor Tom Silva helps a pair of homeowners in Houston, Texas install crown molding in their bedroom using an innovative fastening system. Then Tom, along with host Kevin OConnor, landscaping contractor Roger Cook, and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Roger and Kevin head outside to replace a rotting cedar fence post.

Plumbing and heating expert Richard Trethewey and general contractor Tom Silva head to Detroit to help a homeowner remodel her kitchen with new appliances, countertops, a backsplash, and even the kitchen sink! Then, landscaping contractor Roger Cook shares a viewer tip with host Kevin OConnor on how to improve drainage in the bottom of a flower pot.

Roger Cook helps a homeowner repair portions of his lawn that have been damaged by snow mold, which is a fungal disease that can occur in winter from excess moisture and fertilizer. Tom Silva shows Kevin OConnor how to build a simple utility cart out of plywood. Richard Trethewey helps a homeowner fix a clogged kitchen sink drain by replacing the PVC fitting with a metal one, which did not have a diverter.

Roger Cook visits a nature center to learn how to attract many different species of birds using different types of bird feeders and birdseed. Tom Silva and Kevin OConnor visit a home center to identify various types of interior moldings and their uses. In the Ask This Old House loft, Tom, Richard, Roger and Kevin examine an unfamiliar object and try to guess how it is used. Richard helps a homeowner conserve water by installing a new type of dual-flush valve in his existing toilet.

Plumbing and heating expert Richard Trethewey helps a homeowner replace his leaky outdoor faucet. Then, up in the loft, landscaping contractor Roger Cook shows host Kevin OConnor how to sharpen a lawn mower blade properly. Afterward, Richard, Roger, and Kevin, along with general contractor Tom Silva ask, "What is it?" Then Tom and Kevin build custom shelving for a walk-in closet.

General contractor Tom Silva helps a homeowner install balusters on his new staircase. Then Tom, along with host Kevin OConnor, plumbing and heating expert Richard Trethewey, and landscaping contractor Roger Cook ask, "What is it?" Then, Roger helps a homeowner install a new stone footpath.

General contractor Tom Silva helps a homeowner repair a rotted windowsill. Then Tom, along with host Kevin OConnor, landscaping contractor Roger Cook, and plumbing and heating expert Richard Trethewey ask, "What is it?" Then, Roger shows Kevin a few gardening tools designed for people with limited mobility. Afterward, Richard helps a homeowner install an outdoor faucet.

Landscaping contractor Roger Cook and plant expert Carrie Kelly discuss different types of groundcover. Then, plumbing and heating expert Richard Trethewey helps a homeowner warm up her cold living room by installing new hydronic baseboard heaters. Afterward, back at the workshop, general contractor Tom Silva shows host Kevin OConnor a new product that makes it easier to mark and cut openings for electrical outlets in wallboard.

General contractor Tom Silva helps a homeowner install a new energy-efficient storm door. Then, up in the loft, plumbing and heating expert Richard Trethewey shows host Kevin OConnor how to cut and solder copper plumbing pipes and fittings. Then, landscaping contractor Roger Cook helps a homeowner reduce the size of an overgrown privet hedge.

Plumbing and heating expert Richard Trethewey helps a homeowner heat his newly remodeled kitchen by installing hot water radiant tubing underneath the floor. Then Richard, along with host Kevin OConnor, landscaping contractor Roger Cook, and general contractor Tom Silva ask, "What is it?" Afterward, Tom shows Kevin how to apply joint compound to drywall corners. Then Roger and Kevin head outside for a few lessons on using a wheelbarrow properly.

Plumbing and heating expert Richard Trethewey helps a pair of homeowners reduce their utility bills by installing a new forced-air furnace and air conditioning system. Then, general contractor Tom Silva helps a homeowner repair damage to her oak flooring that was caused by a leaky radiator.

Plumbing and heating expert Richard Trethewey helps a homeowner install a second sink into an existing bathroom vanity. Next, landscaping contractor Roger Cook shares a viewer tip that makes yard clean-up a little easier. Then, general contractor Tom Silva helps a homeowner repair a large crack in his concrete block foundation.

General contractor Tom Silva helps two homeowners complete the construction of their new backyard deck. Then, back in the workshop, Tom shows host Kevin OConnor a few other types of hidden deck-fastening systems.

Up in the workshop, expert painter Mark OLalor shows host Kevin OConnor a few tricks and techniques for painting an interior wall. Then Kevin, along with landscaping contractor Roger Cook, general contractor Tom Silva, and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Richard helps a homeowner install a new water heater with an electronic valve that prevents floods due to water leaks.

The conclusion of the road trip through Americas heartland. Included: installing an outdoor electrical outlet; planting flower bulbs; replacing worn-out kitchen-cabinet hardware. Also: a tour of Elvis Presleys Graceland estate in Memphis.

Host Kevin OConnor and general contractor Tom Silva demonstrate how to select and install antique and reproduction door hardware. Then, Kevin and Tom, along with plumbing and heating expert Richard Trethewey and landscaping contractor Roger Cook ask, "What is it?" Afterward, Richard shows a homeowner how a geothermal home heating and cooling system works.

Up in the workshop, general contractor Tom Silva and host Kevin OConnor build a tool storage cabinet, perfect for any basement or garage. Then, Tom and Kevin, along with landscaping contractor Roger Cook and plumbing and heating expert Richard Trethewey ask, "What is it?" Then Kevin works with a damage prevention specialist to protect a house from catastrophic floods.

Landscaping contractor Roger Cook and host Kevin OConnor head outside to do some yard clean-up using rakes, blowers and lawn vacuums. Then, up in the loft, plumbing and heating expert Richard Trethewey shows Kevin how HVAC thermostat technology has evolved over the years. Next, general contractor Tom Silva and Kevin install carpet tiles over a concrete basement floor.

The crew helps repair a faulty shower valve and rebuild a wobbly stair banister.

The crew helps one homeowner prun an overgrown evergreen hedge and another with installing a tile backsplash in the kitchen.

Roger helps a homeowner remove several overgrown shrubs and plants new perennials. The crew quiets a noisy baseboard heater.

The crew helps a homeowner fix a kitchen sink train and track down and repair a squeak in a hardwood floor.

The crew finishes a backyard pizza oven and shows a homeowner how to work with threaded pipe connections.

Rich installs a battery back-up sump pump while Tom helps a homeowner fix a rusty metal railing.

Tommy helps a homeowner install a solid oak front door and the crew gives tips on driving rebar into the ground.

Kevin helps a home owner stain a cedar fence while Roger and Tom provide some tips for installing window boxes.

Roger helps a homeowner upgrade a neglected urban patio while Tom helps hang a heavy mirror.

Kevin helps install new vinyl trim around a window while Rich helps a homeowner put in a new dishwasher.

A contractor shares tips for tiling a bathroom floor while Tom helps a homeowner weatherstrip her front door.

Tom shows how to restore old windows while Rich helps a homeowner install a kitchen sink water filter.

Kevin and Roger provide some tips on refinishing with spray paint while Tom Installs a pre-finished wood floor.

Installing a bluestone patio; hanging bikes in a small garage.

Laying sod in the backyard; finding measurements without doing math; wireless thermostat controls the heating system.

The crew visits New York City, where plumbing and heating expert Richard Trethewey tours a scale model of the city. Host Kevin OConnor and a local electrician add task lighting to a Brooklyn kitchen. The guys play "What Is It" in Times Square with Jimmy Fallon. Landscape contractor Roger visits the Highline. General contractor Tom installs cable deck railing in Greenwich Village.

Landscape contractor Roger Cook works with a fencing contractor to install a vinyl privacy fence. Then, Roger, along with host Kevin OConnor, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask "What Is It?" Afterward, Richard replaces a clogged shower valve.

Landscape contractor Roger Cook shows a homeowner how to properly mulch his garden beds. Then Roger, along with host Kevin OConnor, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask "What Is It?" Afterward, Richard installs a natural gas line for a barbeque grill.

Host Kevin OConnor and electrician Scott Caron head to Denver to install a ceiling fan on a cathedral ceiling. Then, Kevin, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook ask "What Is It?" Afterward, Richard visits New Jersey to install a water softener.

Host Kevin OConnor heads to Del Ray Beach, Florida to restore Terrazzo floors. Then, Kevin, along with landscape contractor Roger Cook, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask "What Is It?" Afterward, Tom helps a homeowner repair a cracked floor joist.

Master electrician Scott Caron helps a homeowner hang a flat-panel television on the wall and conceal all the wiring. Back in the workshop, Scott shows Kevin examples of many different types of electrical outlets. Roger heads to Miami to help a homeowner control the insect pests in her yard without the use of pesticides.

In the workshop, general contractor Tom Silva and host Kevin OConnor build a storage bench for an entryway. Then, plumbing and heating expert Richard Trethewey demonstrates how to solder copper pipes properly. Afterward, landscape contractor Roger Cook helps a homeowner maintain an overgrown perennial garden.

Plumbing and heating expert Richard Trethewey visits Cortland, Illinois, to learn how corn is harvested and then to help a homeowner insulate ductwork. Landscape contractor Roger Cook demonstrates proper pruning technique. Roger, Richard, host Kevin OConnor, and general contractor Tom Silva ask "What Is It?" Kevin learns how to maintain washers and dryers.

General contractor Tom Silva helps a homeowner solve the mystery of her melted vinyl siding.

Master electrician Scott Caron installs several types of surge protection. Then, general contractor Tom Silva, host Kevin OConnor, landscape contractor Roger Cook, and plumbing and heating expert Richard Trethewey ask "What Is It?" Afterward, Roger demonstrates how to cut and shape stones for hardscaping projects.

The final episode of the 2012/13 season investigates how subway trains are serviced. The crew shows how to paint kitchen cabinets; estimate landscape material by the cubic yard; and how to install a smart thermostat.

Roger builds a garden bed for chile pepper plants in New Mexico. Richard repairs a leaky toilet with a worn out flange. And the guys ask "What Is It?"

Installing a pre-hung exterior door. How to use large containers for shading around the home.

Tommy replaces a leaky skylight. Richard quiets a noisy toilet.

How to make improvements to make your home safer during a tornado, hurricane and power failure. A meteorologist describes how weather is changing and what homeowners should do to prepare.

Installing an irrigation system designed for a desert climate; new style of heat-pump water heater; reusing an old garden hose reel.

Installing a Whole-House Humidifier in North Carolina; Installing Hardwired Smoke and Carbon Monoxide Detectors.

Repairing a Rotted Porch Post; Dealing With High Indoor Humidity

Installing a Clawfoot Tub With Shower; Installing a Permanent Fire Escape in a Bedroom

Quieting a Squealing Shower; A DIY-Friendly Security System and Video Camera

Planting a low-cost privacy screen; and sealing ductwork without removing the walls.

Celebrating 300 episodes of "Ask This Old House" with a review of favorite moments.

Modifying a bathroom and stairs to make them wheelchair accessible; rebuilding dangerous staircase.

Installing new cabinets; countertop options; the home and restaurant kitchens of chef Michael Symon.

Citrus greening, a disease thats killing citrus trees in Florida, is discussed. Also: replacing an old vinyl peel-and-stick floor with ceramic tile.

Practical solutions for drought. Included: replacing a water-guzzling lawn with a desert-appropriate alternative; and replacing an old-fashioned toilet with a "water sense" solution. Also: meteorologist Jim Cantore shares cautionary tales from the front lines of the drought.

Installing a natural gas line for a new grill and hanging a heavy, decorative mirror on a masonry chimney. Also: what grows best in the shade.

Harvesting honey and adding outlets to a home.

Connecting a basement lighting system to one switch; air conditioning maintenance; rejuvenating a crabapple tree.

A cover for a fire pit is built; and a bathroom sink is upgraded.

Removing overgrown shrubs and replacing them with edible landscape; snaking drains; replacing damaged pieces of vinyl siding.

Transforming an old backsplash; installing a new kitchen faucet.

Building a basic entry shelf from poplar and plywood; wiring a basement room for outlets and lighting.

Lightning protection system; installing a reverse osmosis filter for drinking water.

Replacing a mailbox damaged by a snowplow; window anatomy; reusing an old door in a new opening.

Planting an indoor tropical garden with plants from Jamaica; changing the temperature on water heaters; building an American flag out of wood.

Installing a thermostat that interfaces with a smartphone to save energy; installing a photovoltaic solar array on a barn.

Chainsaw safety is discussed; a garages electrical connection is improved; and squeaky floors are silenced in a babys room.

Energy efficiency is explored during a visit to Germany. Also: installing a residential wind turbine in Texas.

Richard travels to Atlanta to replace a vessel sink with a self-rimming sink. Scott installs a motion sensor security light in a driveway. And the guys ask "What is it?"

Kevin heads to a brewery to learn how to make his own beer at home. Bridget Lancaster from Americas Test Kitchen stops by with a lesson on ales versus lagers. Tom is in Baltimore to help install a do-it-yourself rain barrel. And Richard has advice on what not to put in your disposers.

Scott Caron offers an electrical solution to ice dams. Kevin talks climate change with Weather Channel meteorologist Jim Cantore. Roger shares a few tips on snowblower maintenance. And Richard goes over furnace upkeep.

Scott heads to South Dakota to install a post light. Richard is in Delaware to replace a pedestal sink. Landscape designer Jenn Nawada explains how to make succulent plants into a piece of art. And its a wand with three probes. "What is it?"

Kevin uses a smartphone app to help a homeowner turn his front door deadbolt into an electronic entrance. Scott installs a television outdoors for a little open-air entertainment. And its a white sphere with blue holes, but "What is it?

Tom and Kevin head to Connecticut to construct a back yard chicken coop in "Build It." Jenn Nawada visits a Vermont maple syrup farm to learn how its made. Christopher Kimball from Americas Test Kitchen stops by to break down the best and worst maple syrup. And Scott explains how to choose the right USB outlet.

Scott heads to St. Paul to wire a light fixture to match the aesthetic of an antique home. Richard makes an old tub safe by installing an overflow. Tom explains what every homeowner should have for insulation when it comes to R-value. And the guys ask "What Is It?"

Growing potatoes in Idaho; Jim Cantore talks about weather stations; installing track lighting.

A deck is given festive lighting; and fireplace options are discussed. Also: the best tools for first-time gardeners.

A bookshelf is turned into a secret door; and an outdoor house hydrant is installed. Also: the two tools used for most electrical work.

Tom and Kevin use store-bought stair treads to create a bookshelf in Build It. And landscape designer Jenn Nawada transforms the look of a home’s foundation by using existing plants.

In Future House, Ross Trethewey helps build a robotic wall that could be the key to tight spaces in urban living. Tom and Kevin use reclaimed pine heart wood to create a bench with a historic theme in Build It.

Landscape Designer Jenn Nawada shares an environmentally safe way to keep walkways safe during the winter. Tom gives a tutorial on hand saws, showing how and when to use them.

A whole house water filter is installed; and a patio and granite fire pit are built. Also: the differences between soft and hard wood.

A planter box is built with western red cedar. Also: a tablet attachment that makes 3D scans of home interiors; and the need for surge protection.

In Hawaii, a unique keepsake box is built from island materials; storing solar energy is explored; and an organic garden is planted.

A young fan learns how to build a tool box; installing smart smoke and carbon monoxide detectors; diagnosing a leaking safety valve and installing an expansion tank to fix it.

Reseeding a dead section of lawn and blending it in with the rest of the yard; the basics of changing a toilet; and an off-grid home tests commercial HVAC equipment.

The differences between water filters; and different ways to locate studs in a wall. Also: removing a tree thats leaning toward a house; and installing a smart garage door opener.

Mark tests out different tools that collect silica dust more efficiently; Richard shims a wobbly toilet; Kevin heads to the Catskills to build a wooden slice table with Jimmy Diresta, a maker whos famous online for his how-to videos.

Mark installs a metal railing using anchoring cement; in Open House, Richard weighs the pros and cons of steam heat; Tom demonstrates the correct way to replace a cracked kitchen floor tile.

In Nashville, Richard repairs and replaces a leaking shower valve; Roger explains safety features built into all chainsaws; Kevin makes a bucket stool with Ben Uyeda, a maker best known for his design-based online videos.

Jenn installs a plunge pool for a homeowner with a small backyard; Tom gives some basic tips about insulating an attic; Richard travels to Celebration, Florida to help a homeowner select and install the right electric water heater.

Richard travels to Akron, Ohio to install a garage heater; Tom teaches the basics of sanding; Ross installs a DIY security system; Mark investigates a strange issue happening to foundations in the Northeast.

In Build It, Tom and Kevin build a modern storage bench out of a single sheet of MDF and then Mauro paints it; Richard travels to Seattle to help a homeowner whose shower runs cold whenever there’s a demand for hot water elsewhere in the house.

Repairing and updating a fireplace surround; drip edges.

Replacing a concrete walkway with brick pavers; installing gas piping in a home; building a farmhouse table; guest Jimmy DiResta

Soft close kitchen cabinets; how gas regulators work; cleaning up an overgrown garden and redesigning it as a secret garden.

Installing a vertical garden; uses for different drill bits; advances in toilet engineering that help save water.

Repainting a rusty metal railing; innovations that make cleaning a clogged sink easier; building a wire rack out of a reclaimed beam.

Upgrading an irrigation system; home inspection nightmares; kitchen renovations; building an Adirondack-style outdoor chair with Jimmy DiResta.

Re-pointing a fieldstone foundation; water management on the outside of a house; the disposal of oily rags; smoothing over a textured ceiling.

Killing weeds without hurting the lawn; restoring a historic fireplace built with custom bricks; thermostats; hanging a swing.

Tom discusses the conversations a homeowner and a contractor should have before starting a renovation project; Richard travels to Orlando to diagnose and repair an HVAC system that is creating way too much humidity; Mauro demonstrates the technique for using a paint sprayer; Mark travels to Denver to patch a hole in a brick wall.

Adding curb appeal to a house using Victorian flowers; matching paint colors; home inspection issues; hand carving wooden serving utensils.

Mauro paints a baby’s nursery using zero VOC paint. Richard tests out a new dryer that uses a heat pump to dry the clothes. Tom and Kevin build a record player stand out of oak plywood.

The uses and purposes for different types of screws. Installing a whole house ductless humidifier. Changes to electric bill payment structures. Installing a front entry planter.

A womens only do-it-yourself class; selecting and installing plants for a terraced garden; how homeowners and contractors should communicate about expectations for home improvement projects.

Indoor air quality; replacing polybutylene piping with conventional PEX; drop cloths; different methods for silencing a squeaky door.

Restoring a beehive oven; failure points in toilet tanks and how to repair them; building a metal coat rack.

Installing a ceiling light; installing the temperature rating system for ceiling lights; the uses for different types of trowels; building a tool storage shelf.

Richard replaces a shower valve with a conventional pressure balanced one, Nathan demonstrates how to refinish stair treads, and Tom removes moss from a roof in the latest episode of Ask This Old House.

Using a mobile CNC routing machine; building a dog dish stand using power tools; different methods for wiring a portable generator to a house.

Ross tests out some new smart lighting configurations, while Tom helps a homeowner build a custom screen door. Richard gives general advice on maintaining a washing machine, and Mauro teaches a homeowner techniques to paint old 1960s wood trim with a varnish on it.

In this episode, Richard helps a homeowner replace components of his pedestal sink, and Heath discusses bathroom vent fans. The team shares home inspection nightmares, and Tom explains how to clean dirty tile grout.

In this episode, Tom explains the architecture, installation, and maintenance of white cedar shingles. Richard repairs a hose spigot, and Jenn builds and plants a self-watering vegetable garden.

Nathan installs bypass doors for a pantry; Richard tests different smart automatic water shutoff valves; Ross explores asphalt roof shingles that can reflect some of the sun’s heat.

Nathan shows Kevin some old drywall paneling he found, and Richard teaches a homeowner how to clean her shower cartridge. Tom teaches Kevin the basics of using a lathe, and then they turn a bowl together.

Richard explains how, where, and why plumbing systems fail; Richard gives a deep dive on when and how plumbing pipes and connections can be repaired or replaced; Ross explains and demonstrates how to prevent plumbing failures with new technology.

In this special episode of Ask This Old House, Jenn explains how various climates across the United States impact the design, care, and maintenance of different landscapes, which includes discussing USDA Hardiness Zones and native plant species.

Jenn and Roger install a variety of different water features to accentuate landscapes; Roger installs an alternative to a downspout; Jenn installs a waterfall feature in a backyard that reuses water.

Jenn discusses Christmas trees; Richard explains what can and can’t go down a garbage disposal after holiday dinners; Heath helps a homeowner safely install a variety of Christmas lights.

Heath installs landscape lights in a garden; Richard explains how siphons work and how they are used to make a toilet work; Tom organizes tools with pegboard; Mark helps a homeowner redo his walkway.

Richard replaces a weird shower valve with a conventional pressure balanced one; Mauro repaints a radiator cover with lead paint on it; Tom explains how to identify and remove load bearing walls.

Mark learns how precast concrete steps are made and then replaces a homeowners steps; Mauro explains how to refinish an old table; Heath helps a homeowner replace his front lamppost with a new one.

Tom travels to Nashville to turn an original, exterior door into a Dutch door; Richard explains how to install a garbage disposal; Mark and Jenn reface a concrete wall with thin stone veneer.

Richard moves baseboard heat from one side of a room to another; Jenn explains the basics of selecting different species of arborvitae; Tom and Kevin build an outdoor bench that doubles as a cooler.

Richard explains a variety of failure points in a hose spigot; Mauro demonstrates the how to paint vinyl siding; Jenn explains how and why to maintain pruners; Nathan builds a custom fence gate.

Heath performs an electrical inspection; the team share more Home Inspection Nightmares; Tom helps two homeowners meticulously restore their antique front door using a variety of techniques.

Richard installs a shutoff valve for washing machine supply hoses; Ross and Heath discuss the progression of EV chargers; Jenn discusses ornamental grasses; Nathan helps a homeowner repair her deck.

Nathan builds a display case to store his grandfathers U.S. flag; Heath replaces a circuit breaker; the team shares the ways their trades were affected by the COVID-19 pandemic.

Not all landscape projects require starting from scratch. Many times, working with plants already there can make a huge impact. In this special episode, Jenn Nawada uses an historic landscape design from a protege of Frederick Law Olmsted to transform a yard. She updates a landscape by moving around, dividing, and pruning current plants in the yard. Finally, she designs a secret garden.

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Jenn creates a landscape that can withstand heavy pedestrian traffic; Richard explains the options available for water heaters; Tom and Kevin build a cutting board out of walnut, cherry, and maple.

Mauro demonstrates how to remove dried paint from a paintbrush; Tom shares the best techniques for connecting and installing tongue and groove flooring; Jenn and Nathan build a DIY ice rink.

Mark explains how bricks are made and how many different varieties there are; Richard explains how solderless connections work; Tom assess and reshingles a shed roof with asphalt shingles.

The entire team comes together to help Mark rebuild the chicken barn he lost to a fire. They reframe the barn, hook up new electrical wiring, connect a utility sink, and hang an exterior door.

General contractor and expert woodworker Tom Silva meets past guest and young woodworker Camilla in her dads shop where they catch up since they last met. After checking out some of Camillas work, the two discuss her need for a workspace of her own. With a worktable in mind, Tom invites her back to the workshop to help with the special project, a birdhouse.

In Tool Lab, Nathan explains what different table saw blade types are used for; Ross extends WiFi service in a house; Richard replaces a faulty tub drain; the team shares their New Years Resolutions.

Heath explains why finish electrical work is his favorite stage of the job; Mauro demonstrates how to repair a crack in plaster; Mark raises a drywell in a driveway that is sinking below grade.

Jenn shares the story of how she became a landscape designer; Richard and Ross explain cost-effective ways to save money on your heating bill this winter; Nathan helps a homeowner replace a vinyl kitchen floor.

Richard shares how he became a plumber and what he loves about his trade; Ross talks about smart thermostats and their features; Heath explains how to understand switch legs; Tom replaces an old, rotted porch column base.

Nathan gives a tour of his highly organized truck; Richard shows different kinds of bidets and their functions; Mauro explains how to use spray paint for small home projects; Mark replaces an old, patched driveway with a new concrete one.

Heath breaks down the basic voltages of cordless tools; Richard gives an overview on how to handle simple clogs in a bathroom sink, kitchen sink and toilet; Mark repairs a fireplace and replaces its cover.

Nathan demonstrates different ways to fix scratches on wood furniture; Jenn Largesse oversees the installation of a shipping container pool in her backyard; Tom shows how to fix and resecure a sagging fence gate.

Jenn Nawada suggests houseplants for areas of shade, partial shade and sun. Heath explains techniques for drilling holes to run electrical wire. Jenn Largesse shows how to put up an outdoor vinyl fence. Tom builds a beehive out of wood.

Ross shares why he became an engineer; Tom talks about different types of hammers; Richard shows how to control common plumbing emergencies; Nathan removes and replaces a garage door.

Richard shows how to replace a toilet seat; Jenn Largesse builds a pergola for her backyard; Nathan repairs a century-old full mortise lockset.

Using common electrical tools; an in-depth home energy assessment; painting.

Kevin OConnor explains how he became host of "This Old House"; a simple trick for drawing a perfect ellipse; moving a light fixture and patching the ceiling; the basics of finish nailers.

Mauro shares why he became a painter and what he loves about his job; Jenn shows how to test soil at home; Nathan explains how to use track saws; Heath adds a receptacle to a kitchen island.

Mark explains finishes for brick and concrete; Jenn shows how to maintain a small backyard pond; Tom builds a three-legged Demilune table.

The Ask This Old House team talks about why they enjoy working together; Richard cuts open a failed water heater, and Jenn shares her love of educating kids about the outdoors. Then, she and Nathan build a compost bin.

In this episode, Heath installs a doorbell with new wiring, Richard explains bottle traps, and Mark replaces a homeowner’s brick driveway edging with cobblestones.

Kevin OConnor visits the Franklin Pierce Homestead in New Hampshire to learn about the restoration of a historic, French wallpaper from the 19th century; Heath Eastman explains the basics of GFCI receptacles; Tom Silva helps a homeowner repair and repitch the gutters above their back patio.

Richard helps remove an old 40-gallon hot water tank; Heath shares safety tips for holiday light decoration; Tom explains how to identify, repair, and prevent woodpecker damage; Mauro shows how to paint over bathroom tile using epoxy acrylic paint.

The team shares the professions they might have pursued; Mauro discusses types of wallpaper and tools to remove it; Heath explains how different amped receptacles can cause breaker trips; Nathan helps install kitchen cabinet hardware.

Nathan, Heath, and Mauro help a homeowner baby proof her house by replacing old receptacles and installing cabinet locks, and baby gates; Jenn breaks down the basics of caring for houseplants; Richard explains how septic systems works and maintain them.

Tom repairs a homeowners antique window; Mauro talks through interior paint finishes; Jenn and Mark travel to Georgia to help a homeowner develop a landscape design plan for her small backyard. Then, they help her install a stone fire pit.

Nathan heads to Texas to help a mom of six organize her family shed; Richard emphasizes the importance of a yearly service call for furnaces; Mark installs a pea stone walkway to match an existing walkway in front of the homeowners house.

Mauro helps a homeowner upgrade a fireplace; Jenn introduces landscape contractor Lee Gilliam, and together they discuss different landscape tools and how to maintain them for Spring; Tom and Kevin Build a bathtub tray out of zebrawood.

Ross helps a homeowner dealing with ice dams decide whether to insulate from his attic roof rafters or the attic floor; Richard shares tips on irrigation repairs; Mark expands a driveway by adding an asphalt parking spot.

Jenn creates a thoughtful backyard entrance; Mark shares how to safely clean hardscaping on different types of common hardscape materials; Tom shows how to patch holes in wood floors caused by previously removed radiators.

Richard troubleshoots why a homeowners shower leaks when the tub is running and makes the necessary repairs, then in studio, Richard explains why it was a unique repair; Heath deep dives into different wire gauge sizes and the electrical load capabilities of each size; Mark helps a homeowner repair some loose flagstone steps in his entryway and in his basement.

Heath helps a homeowner whose kitchen breaker trips when the basement humidifier is running by installing a new basement circuit; Tom showcases the importance of table saw safety by demonstrating safety techniques for the most common sources of table saw injuries; Richard helps a homeowner supplement their homes heating by installing a wood burning insert into their drafty fireplace.

Nathan Gilbert shares his own experience as a Boy Scout and introduces his nieces Girl Scout troop and the project they need help with; Tom Silva and Kevin OConnor create a two-layered hexagonal herb planter for the garden; Jenn Nawada and Nathan pick up materials to build a garden bed and then team up to help the Girl Scout troop rebuild and replant their community garden beds.

Ask This Old House welcomes landscape contractor, Lee Gilliam to the cast and shines a spotlight on his 30 years of experience; Richard Trethewey helps a homeowner repair a leaking 3-valve shower while retaining the bathrooms original 1930s tile; Lee and Jenn Nawada work together to refresh a homeowners eroding sloped yard; removing excess mulch, and installing boulders and ground cover plants.

Heath Eastman assists a homeowner who wants to hook up a generator to their home by installing a transfer switch to the circuit board; Environmental contractor, Ron Peik demystifies asbestos and shares options for mitigation; Mark McCullough fixes a faulty brick lintel repair on an 1833 home, discusses the difference between Flemish and American bond, and how to match existing mortar and joints.

Jenn Nawada teams up with a water conservation expert in Portland, Oregon to help two homeowners install a rain garden; Ross Trethewey shares how moisture meters can detect unseen water damage; Mark McCullough helps a homeowner increase the safety of their concrete steps by installing a wrought iron railing and showcases how railings are made at an iron fabrication facility.

Heath Eastman shares what factors to consider when selecting a generator, such as fuel or electrical load, and the options that are available; Jenn Nawada shares how to build a worm farm, what foods to incorporate and exclude when feeding the worms, and the many benefits of worm composted soil; Mauro Henrique refreshes a homeowners vintage front door with a fresh coat of paint.

Painting over graffiti; the importance of radon testing; installing closet shelving in a nursery.

How to identify and label home circuit breakers; lathe turning; turning a segmented bowl.

Lee Gilliam helps a homeowner clean up his backyard by removing a diseased tree and shows how to remove and maintain invasive plants; Mark McCullough discusses the function of chimney caps, options available, and how homeowners can know if they need to install one; Richard Trethewwey installs a toilet with a built-in bidet for a homeowner and shares the variety of options available.

Nathan Gilbert helps a homeowner add shade to a pool area using a shade sail and unique anchor points; Ask This Old House spotlights the brothers of Jordans Legacy Landscaping, a fourth-generation landscaping company in the Atlanta area; Mark McCullough helps a landlord make a cost-effective repair to her tenants concrete walkway.

Retrofitting a radiant floor system; cable railing connections and maintenance; the updated USDA Plant Hardiness Zone Map.

Jenn helps a couple rethink their front yard after two removed trees changed the shade pattern of the space; Richard talks about the mentors who helped him become a passionate teacher on This Old House; Richard gives Kevin a tour of the building he and his son, Evan Trethewey, have renovated to bring a new experience of mechanical equipment to contractors

Lee Gilliam helps a homeowner improve the soil conditions of her garden bed before installing new plantings; a New Hampshire painter and business owner shares her journey in the trade; Heath Eastman helps a homeowner mitigate bathroom moisture by installing a remote bath vent and timer switch but runs into some trouble when he finds old wiring in the wall.

IAQ testing; restoring a Victorian firebox; transitioning landscapes from spring to summer; organizing a tool storage cabinet.

Making a bathroom more accessible; restoring rotten wooden gutters

Tropical trees for the backyard; a tool that makes asphalt roof work easier; home smart light products.

Installing a bathroom recessed cabinet; replacing a chimney that has been causing water damage to an indoor charcoal grill.

Creating a focal point wall; common sprinkler heads; installing a submersible sump pump to solve a flooded basement problem.

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Installing a shed base, framing an interior non-load bearing wall, installing bifold double doors.

A Detroit beekeeper talks about how to start a hive; phone apps that have made work easier; building a step stool using a mobile CNC router.

A company that builds homes using 3D printing; landscaper Aaron Smith; using a lathe to turn a square bowl with legs.

Building an outdoor shower in Cape Cod; landscape touches.

Maintaining a mini split and properly cleaning the indoor and outdoor components; building a garden retaining wall.

Adding a new zone to an irrigation system; comparing the strengths and differences between PEX and copper piping; repairing a door hinge by using wooden dowels, epoxy and longer screws.

Troubleshooting air conditioning airflow; spotlighting metal fabricator and business owner Shelby Barnhart; removing a shellac finish from wood.

Honoring landscape contractor and mentor Roger Cook; colleagues share their favorite memories and reflect on his impact.