Jenn assists a homeowner in choosing tropical trees for his backyard with the help of a fruit tree specialist; Nathan demonstrates a tool that makes asphalt roof work easier; Ross shares some home smart light products on the market today.

Mark shares the story of how he became a mason; Tom explains why wood rots on houses, how to prevent it, and how to repair it if it occurs; Ross explores heat pump technology.

Mauro transforms a rusty bulkhead to look new with some paint and sanding; Tom explains what combination squares are, their uses, and how to buy a quality one; Mark helps a homeowner repair his crumbling mortar on his brick front stairs.

Jenn assists a homeowner in choosing tropical trees for his backyard with the help of a fruit tree specialist; Nathan demonstrates a tool that makes asphalt roof work easier; Ross shares some home smart light products on the market today.

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 assists a homeowner in choosing tropical trees for his backyard with the help of a fruit tree specialist; Nathan demonstrates a tool that makes asphalt roof work easier; Ross shares some home smart light products on the market today.

Jenn assists a homeowner in choosing tropical trees for his backyard with the help of a fruit tree specialist; Nathan demonstrates a tool that makes asphalt roof work easier; Ross shares some home smart light products on the market today.

Mauro transforms a rusty bulkhead to look new with some paint and sanding; Tom explains what combination squares are, their uses, and how to buy a quality one; Mark helps a homeowner repair his crumbling mortar on his brick front stairs.

Mauro transforms a rusty bulkhead to look new with some paint and sanding; Tom explains what combination squares are, their uses, and how to buy a quality one; Mark helps a homeowner repair his crumbling mortar on his brick front stairs.

The entire cast reflects on the 20th anniversary of ASK THIS OLD HOUSE. They'll discuss how the show was made and what they think the legacy of the television program will be moving forward.

Mauro transforms a rusty bulkhead to look new with some paint and sanding; Tom explains what combination squares are, their uses, and how to buy a quality one; Mark helps a homeowner repair his crumbling mortar on his brick front stairs.

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 transforms a bathroom medicine cabinet; Mark replaces a chimney causing water damage to an indoor charcoal grill; Mark shows Kevin some of the little pieces of history he's found while doing masonry work over the years.

Mauro transforms a rusty bulkhead to look new with some paint and sanding; Tom explains what combination squares are, their uses, and how to buy a quality one; Mark helps a homeowner repair his crumbling mortar on his brick front stairs.

Jenn visits a nursery to learn how shrubs are planted and harvested; Ross and Nathan show cost-effective ways to air-seal your windows this winter; Tom demonstrates how to build a serving tray using a box joint jig.

Mauro transforms a rusty bulkhead to look new with some paint and sanding; Tom explains what combination squares are, their uses, and how to buy a quality one; Mark helps a homeowner repair his crumbling mortar on his brick front stairs.

Mauro transforms a rusty bulkhead to look new with some paint and sanding; Tom explains what combination squares are, their uses, and how to buy a quality one; Mark helps a homeowner repair his crumbling mortar on his brick front stairs.

Nathan transforms a bathroom medicine cabinet; Mark replaces a chimney causing water damage to an indoor charcoal grill; Mark shows Kevin some of the little pieces of history he's found while doing masonry work over the years.

Nathan transforms a bathroom medicine cabinet; Mark replaces a chimney causing water damage to an indoor charcoal grill; Mark shows Kevin some of the little pieces of history he's found while doing masonry work over the years.

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.

Tom shares how he became a general contractor and what he loves about his trade; Heath and Ross explain what smart electric panels are and how they work; Jenn and Nathan build and fill new window flower boxes.

Nathan transforms a bathroom medicine cabinet; Mark replaces a chimney causing water damage to an indoor charcoal grill; Mark shows Kevin some of the little pieces of history he's found while doing masonry work over the years.

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.

Nathan transforms a bathroom medicine cabinet; Mark replaces a chimney causing water damage to an indoor charcoal grill; Mark shows Kevin some of the little pieces of history he's found while doing masonry work over the years.

Jenn explains how to identify and care for holly plants; Richard explains how dishwashers work and how to troubleshoot them when they don't drain properly; Tom and Kevin turn Christmas ornaments.

Jenn shares her list of must have gardening tools and how to put a garden to bed before winter; Mauro demonstrates how to paint a kitchen cabinet; Nathan installs exterior front door trim.

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.

Ross discusses the pros and cons of smart doorbells; Mauro demonstrates techniques for painting wood paneling; Heath shares some of his most-used tools and helps a homeowner install recessed lights.

Mark shares the story of how he became a mason; Tom explains why wood rots on houses, how to prevent it, and how to repair it if it occurs; Ross explores heat pump technology.

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.

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.

Tom shares how he became a general contractor and what he loves about his trade; Heath and Ross explain what smart electric panels are and how they work; Jenn and Nathan build and fill new window flower boxes.

Jenn visits a nursery to learn how shrubs are planted and harvested; Ross and Nathan show cost-effective ways to air-seal your windows this winter; Tom demonstrates how to build a serving tray using a box joint jig.

Nathan transforms a bathroom medicine cabinet; Mark replaces a chimney causing water damage to an indoor charcoal grill; Mark shows Kevin some of the little pieces of history he's found while doing masonry work over the years.

Nathan transforms a bathroom medicine cabinet; Mark replaces a chimney causing water damage to an indoor charcoal grill; Mark shows Kevin some of the little pieces of history he's found while doing masonry work over the years.

Jenn explains how to identify and care for holly plants; Richard explains how dishwashers work and how to troubleshoot them when they don't drain properly; Tom and Kevin turn Christmas ornaments.

Jenn shares her list of must have gardening tools and how to put a garden to bed before winter; Mauro demonstrates how to paint a kitchen cabinet; Nathan installs exterior front door trim.

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.

Ross discusses the pros and cons of smart doorbells; Mauro demonstrates techniques for painting wood paneling; Heath shares some of his most-used tools and helps a homeowner install recessed lights.

Mark shares the story of how he became a mason; Tom explains why wood rots on houses, how to prevent it, and how to repair it if it occurs; Ross explores heat pump technology.

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.

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.

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.

Tom shares how he became a general contractor and what he loves about his trade; Heath and Ross explain what smart electric panels are and how they work; Jenn and Nathan build and fill new window flower boxes.

Jenn visits a nursery to learn how shrubs are planted and harvested; Ross and Nathan show cost-effective ways to air-seal your windows this winter; Tom demonstrates how to build a serving tray using a box joint jig.

Jenn explains how to identify and care for holly plants; Richard explains how dishwashers work and how to troubleshoot them when they don't drain properly; Tom and Kevin turn Christmas ornaments.

Jenn shares her list of must have gardening tools and how to put a garden to bed before winter; Mauro demonstrates how to paint a kitchen cabinet; Nathan installs exterior front door trim.

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.

Ross discusses the pros and cons of smart doorbells; Mauro demonstrates techniques for painting wood paneling; Heath shares some of his most-used tools and helps a homeowner install recessed lights.

Mark shares the story of how he became a mason; Tom explains why wood rots on houses, how to prevent it, and how to repair it if it occurs; Ross explores heat pump technology.

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.

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.

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.

Tom shares how he became a general contractor and what he loves about his trade; Heath and Ross explain what smart electric panels are and how they work; Jenn and Nathan build and fill new window flower boxes.

Jenn visits a nursery to learn how shrubs are planted and harvested; Ross and Nathan show cost-effective ways to air-seal your windows this winter; Tom demonstrates how to build a serving tray using a box joint jig.

Jenn explains how to identify and care for holly plants; Richard explains how dishwashers work and how to troubleshoot them when they don't drain properly; Tom and Kevin turn Christmas ornaments.

Jenn explains how to identify and care for holly plants; Richard explains how dishwashers work and how to troubleshoot them when they don't drain properly; Tom and Kevin turn Christmas ornaments.

Jenn shares her list of must have gardening tools and how to put a garden to bed before winter; Mauro demonstrates how to paint a kitchen cabinet; Nathan installs exterior front door trim.

Nathan shares how he became a carpenter and what he loves about his trade; Heath talks all about different LED lightbulbs; Richard fixes a wobbly toilet and repairs a sticky faucet handle.

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.

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.

Ross discusses the pros and cons of smart doorbells; Mauro demonstrates techniques for painting wood paneling; Heath shares some of his most-used tools and helps a homeowner install recessed lights.

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.

Mark shares the story of how he became a mason; Tom explains why wood rots on houses, how to prevent it, and how to repair it if it occurs; Ross explores heat pump technology.

Mark shares the story of how he became a mason; Tom explains why wood rots on houses, how to prevent it, and how to repair it if it occurs; Ross explores heat pump technology.

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 shows how to mount a flat screen TV on a wall. Mark builds a stone birdbath. Tom repairs a Newel post damaged by a dog.

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.

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.

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.

Kevin teams up with a wallpaper expert to help a Miami homeowner create a focal point wall; Lee demonstrates a variety of common sprinkler heads; Richard installs a submersible sump pump as a solution to a homeowner's flooded basement problem.

Tom shares how he became a general contractor and what he loves about his trade; Heath and Ross explain what smart electric panels are and how they work; Jenn and Nathan build and fill new window flower boxes.

Tom shares how he became a general contractor and what he loves about his trade; Heath and Ross explain what smart electric panels are and how they work; Jenn and Nathan build and fill new window flower boxes.

Kevin teams up with a wallpaper expert to help a Miami homeowner create a focal point wall; Lee demonstrates a variety of common sprinkler heads; Richard installs a submersible sump pump as a solution to a homeowner's flooded basement problem.

Jenn visits a nursery to learn how shrubs are planted and harvested; Ross and Nathan show cost-effective ways to air-seal your windows this winter; Tom demonstrates how to build a serving tray using a box joint jig.

Jenn shows off different varieties of hydrangeas; Heath explains types of smoke and carbon monoxide detectors and their functions; Mauro refinishes deck railings and posts.

Kevin teams up with a wallpaper expert to help a Miami homeowner create a focal point wall; Lee demonstrates a variety of common sprinkler heads; Richard installs a submersible sump pump as a solution to a homeowner's flooded basement problem.

Kevin teams up with a wallpaper expert to help a Miami homeowner create a focal point wall; Lee demonstrates a variety of common sprinkler heads; Richard installs a submersible sump pump as a solution to a homeowner's flooded basement problem.

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

Kevin teams up with a wallpaper expert to help a Miami homeowner create a focal point wall; Lee demonstrates a variety of common sprinkler heads; Richard installs a submersible sump pump as a solution to a homeowner's flooded basement problem.

Ask This Old House team members talk about their fathers as mentors; Richard and Ross explain airflow in buildings; Tom finishes a baseball bat display case.

Kevin teams up with a wallpaper expert to help a Miami homeowner create a focal point wall; Lee demonstrates a variety of common sprinkler heads; Richard installs a submersible sump pump as a solution to a homeowner's flooded basement problem.

Kevin shares how he became the host of This Old House; Tom shows a simple trick for drawing a perfect ellipse; Heath moves a light fixture and Mauro patches the ceiling; Nathan explains the basics of finish nailers.

Kevin teams up with a wallpaper expert to help a Miami homeowner create a focal point wall; Lee demonstrates a variety of common sprinkler heads; Richard installs a submersible sump pump as a solution to a homeowner's flooded basement problem.

Kevin teams up with a wallpaper expert to help a Miami homeowner create a focal point wall; Lee demonstrates a variety of common sprinkler heads; Richard installs a submersible sump pump as a solution to a homeowner's flooded basement problem.

Heath shares why he became an electrician and what he loves about his trade; Mauro shows a trick for applying caulk in gaps; Tom shows how to install crown molding around corner angles; Ross explains the future of solar at MIT.

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

Jenn assists a homeowner in choosing tropical trees for his backyard with the help of a fruit tree specialist; Nathan demonstrates a tool that makes asphalt roof work easier; Ross shares some home smart light products on the market today.

Nathan explains the anatomy of track saws; Mark repoints an outdoor pizza oven; The Ask This Old House team comes together for a 20th Anniversary "What Is It?"

Jenn assists a homeowner in choosing tropical trees for his backyard with the help of a fruit tree specialist; Nathan demonstrates a tool that makes asphalt roof work easier; Ross shares some home smart light products on the market today.

Jenn assists a homeowner in choosing tropical trees for his backyard with the help of a fruit tree specialist; Nathan demonstrates a tool that makes asphalt roof work easier; Ross shares some home smart light products on the market today.

Richard discusses pipe soldering; Heath explains what two-prong receptacles are, why they're no longer to code, and how to replace them; Nathan and Mauro build, install, and paint deck stair railings.

Jenn assists a homeowner in choosing tropical trees for his backyard with the help of a fruit tree specialist; Nathan demonstrates a tool that makes asphalt roof work easier; Ross shares some home smart light products on the market today.

Jenn assists a homeowner in choosing tropical trees for his backyard with the help of a fruit tree specialist; Nathan demonstrates a tool that makes asphalt roof work easier; Ross shares some home smart light products on the market today.

Ross discusses the pros and cons of smart doorbells; Mauro demonstrates techniques for painting wood paneling; Heath shares some of his most-used tools and helps a homeowner install recessed lights.

Jenn assists a homeowner in choosing tropical trees for his backyard with the help of a fruit tree specialist; Nathan demonstrates a tool that makes asphalt roof work easier; Ross shares some home smart light products on the market today.

Jenn assists a homeowner in choosing tropical trees for his backyard with the help of a fruit tree specialist; Nathan demonstrates a tool that makes asphalt roof work easier; Ross shares some home smart light products on the market today.

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 visits a nursery to learn how shrubs are planted and harvested; Ross and Nathan show cost-effective ways to air-seal your windows this winter; Tom demonstrates how to build a serving tray using a box joint jig.

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.