Mauro explains the basic tools and supplies needed to paint a room. Kevin hosts a kitchen quiz on what food scraps belong in the garbage disposal versus the compost. Heath shows a homeowner how to run underground power from his house to a new shed.

Tom teaches Zack how to turn a flower vase on the lathe. Jenn explains how to start seeds indoors for spring. Mark breaks down common mortar cracks in fireplace hearths and surrounds. Ross upgrades a garage door opener by adding a Wi-Fi hub.

Mauro explains the basic tools and supplies needed to paint a room. Kevin hosts a kitchen quiz on what food scraps belong in the garbage disposal versus the compost. Heath shows a homeowner how to run underground power from his house to a new shed.

Mauro explains the basic tools and supplies needed to paint a room. Kevin hosts a kitchen quiz on what food scraps belong in the garbage disposal versus the compost. Heath shows a homeowner how to run underground power from his house to a new shed.

Tom teaches Zack how to turn a flower vase on the lathe. Jenn explains how to start seeds indoors for spring. Mark breaks down common mortar cracks in fireplace hearths and surrounds. Ross upgrades a garage door opener by adding a Wi-Fi hub.

Tom teaches Zack how to turn a flower vase on the lathe. Jenn explains how to start seeds indoors for spring. Mark breaks down common mortar cracks in fireplace hearths and surrounds. Ross upgrades a garage door opener by adding a Wi-Fi hub.

Lee and Kevin cover lawn mowing basics. The team shares expert tips on how to vet and hire a trustworthy contractor to avoid costly mistakes. Mark heads to Washington state to replace a bumpy flagstone path.

Tom teaches Zack how to turn a flower vase on the lathe. Jenn explains how to start seeds indoors for spring. Mark breaks down common mortar cracks in fireplace hearths and surrounds. Ross upgrades a garage door opener by adding a Wi-Fi hub.

Tom teaches Zack how to turn a flower vase on the lathe. Jenn explains how to start seeds indoors for spring. Mark breaks down common mortar cracks in fireplace hearths and surrounds. Ross upgrades a garage door opener by adding a Wi-Fi hub.

Lee and Kevin cover lawn mowing basics. The team shares expert tips on how to vet and hire a trustworthy contractor to avoid costly mistakes. Mark heads to Washington state to replace a bumpy flagstone path.

Lee and Kevin cover lawn mowing basics. The team shares expert tips on how to vet and hire a trustworthy contractor to avoid costly mistakes. Mark heads to Washington state to replace a bumpy flagstone path.

Nathan upgrades a bathroom by replacing vintage wall-mounted ceramic toothbrush and soap holders. The team plays "What Is It?" to guess the purpose of a metal bar. Mauro repairs a water-damaged ceiling crack matching the original swirl texture.

Lee and Kevin cover lawn mowing basics. The team shares expert tips on how to vet and hire a trustworthy contractor to avoid costly mistakes. Mark heads to Washington state to replace a bumpy flagstone path.

Lee and Kevin cover lawn mowing basics. The team shares expert tips on how to vet and hire a trustworthy contractor to avoid costly mistakes. Mark heads to Washington state to replace a bumpy flagstone path.

Nathan upgrades a bathroom by replacing vintage wall-mounted ceramic toothbrush and soap holders. The team plays "What Is It?" to guess the purpose of a metal bar. Mauro repairs a water-damaged ceiling crack matching the original swirl texture.

Nathan upgrades a bathroom by replacing vintage wall-mounted ceramic toothbrush and soap holders. The team plays "What Is It?" to guess the purpose of a metal bar. Mauro repairs a water-damaged ceiling crack matching the original swirl texture.

Ross shares the perfect tech setup for an outdoor movie night. Kevin talks with an insurance expert to break down the basics of a homeowner's insurance policy. Then, Tom and Kevin team up to rebuild a picnic table they first built 17 years ago.

Nathan upgrades a bathroom by replacing vintage wall-mounted ceramic toothbrush and soap holders. The team plays "What Is It?" to guess the purpose of a metal bar. Mauro repairs a water-damaged ceiling crack matching the original swirl texture.

Nathan upgrades a bathroom by replacing vintage wall-mounted ceramic toothbrush and soap holders. The team plays "What Is It?" to guess the purpose of a metal bar. Mauro repairs a water-damaged ceiling crack matching the original swirl texture.

Ross shares the perfect tech setup for an outdoor movie night. Kevin talks with an insurance expert to break down the basics of a homeowner's insurance policy. Then, Tom and Kevin team up to rebuild a picnic table they first built 17 years ago.

Ross shares the perfect tech setup for an outdoor movie night. Kevin talks with an insurance expert to break down the basics of a homeowner's insurance policy. Then, Tom and Kevin team up to rebuild a picnic table they first built 17 years ago.

Heath installs a weatherproof outdoor TV enclosure. Kevin, Tom and Zack discuss essential preparation steps a homeowner should take before a renovation. Then, Mark replaces a crumbling fire pit with a sleek, modern square design.

Ross shares the perfect tech setup for an outdoor movie night. Kevin talks with an insurance expert to break down the basics of a homeowner's insurance policy. Then, Tom and Kevin team up to rebuild a picnic table they first built 17 years ago.

Ross shares the perfect tech setup for an outdoor movie night. Kevin talks with an insurance expert to break down the basics of a homeowner's insurance policy. Then, Tom and Kevin team up to rebuild a picnic table they first built 17 years ago.

Heath installs a weatherproof outdoor TV enclosure. Kevin, Tom and Zack discuss essential preparation steps a homeowner should take before a renovation. Then, Mark replaces a crumbling fire pit with a sleek, modern square design.

Heath installs a weatherproof outdoor TV enclosure. Kevin, Tom and Zack discuss essential preparation steps a homeowner should take before a renovation. Then, Mark replaces a crumbling fire pit with a sleek, modern square design.

Kicking off Ask This Old House's 25th season, Mark McCullough travels to New Mexico to learn the art of adobe, from mixing and forming bricks to repairing a cracked earthen floor. Tom Silva shows Kevin O'Connor an easy trick for cutting miters on imperfect corners. Then, Jenn Nawada revisits a garden she transformed on the show over 10 years ago to see it fully grown in and flourishing.

Heath helps a homeowner install remote controlled patio string lights over their backyard patio; Mauro color matches and repaints a homeowners retro aqua kitchen cabinet; Tom talks through specialized levels for different types of projects.

Kicking off Ask This Old House's 25th season, Mark McCullough travels to New Mexico to learn the art of adobe, from mixing and forming bricks to repairing a cracked earthen floor. Tom Silva shows Kevin O'Connor an easy trick for cutting miters on imperfect corners. Then, Jenn Nawada revisits a garden she transformed on the show over 10 years ago to see it fully grown in and flourishing.

AskTOH welcomes Landscape Contractor, Lee Gilliam to the cast; Richard helps a homeowner repair a leaking 3-valve shower while retaining the bathrooms original 1930's tile; Lee and Jenn work together to refresh a homeowner's eroding sloped yard.

Nathan heads to Tulsa, OK, to build a replacement utility cover; Ross discusses low-level carbon monoxide exposure and differences in CO detectors and monitors; Mark helps a homeowner clean out creosote build-up in their brick kitchen fireplace.

Heath helps a homeowner install a generator hook up to the homes circuit board; Environmental contractor, Ron Peik demystifies asbestos and shares options for mitigation; Mark fixes an insufficient brick lintel repair on an 1833 home.

Heath Eastman upgrades basement lighting by wiring pull-chain fixtures to a wall switch for easier control. Lee Gilliam repairs snowplow lawn damage with a sod patch along a driveway. Then, the team revisits favorite 'What Is It' moments from over the years before guessing a new mystery item: a flat orange plate with spiky feet.

Jenn heads to Portland, Oregon to help a couple install a rain garden; Ross shares how moisture meters can detect unseen water damage; Mark installs a railing on concrete steps.

Heath Eastman upgrades basement lighting by wiring pull-chain fixtures to a wall switch for easier control. Lee Gilliam repairs snowplow lawn damage with a sod patch along a driveway. Then, the team revisits favorite 'What Is It' moments from over the years before guessing a new mystery item: a flat orange plate with spiky feet.

Lee shares key tools and products in a winter weather kit; Richard shares a unique water heater; Mark shares homeowner-friendly masonry tools; Tom and Kevin build a new miter saw station.

Heath shares what factors to consider when selecting a generator and the options available; Jenn shows how to build a worm farm; Mauro heads to Oklahoma to repaint a homeowner's front door.

Nathan gives a homeowner a backyard entrance by converting a window into a backdoor; The team discuss dealbreakers homeowners should consider when looking to buy a home without major renovations.

The team looks back at some of their most memorable cutaway demonstrations over the years. Then, Richard Trethewey helps a homeowner add an outdoor hose spigot using PEX. Jenn Nawada visits a farm to learn how they use cover crops to protect and improve their farming soil during the off-season. Then, she demonstrates how a homeowner can use cover crops in vegetable gardens.

Richard helps a homeowner troubleshoot why her shower quickly runs out of hot water; Kevin heads to Upstate New York to meet with maker Jimmy DiResta and learns how to make a leather tote bag.

The team looks back at some of their most memorable cutaway demonstrations over the years. Then, Richard Trethewey helps a homeowner add an outdoor hose spigot using PEX. Jenn Nawada visits a farm to learn how they use cover crops to protect and improve their farming soil during the off-season. Then, she demonstrates how a homeowner can use cover crops in vegetable gardens.

Heath shares his tips and tools homeowners can use to identify and label home circuit breakers; Tom discusses his hobby of lathe turning; Then, in Build It he turns a segmented bowl.

Mauro discusses how he sees color and some of his favorite colors; Then, he paints over an offices wood paneling; Lee discusses shrub pruning tools; Nathan travels to Portland to build a mud kitchen.

Richard Trethewey, Ross Trethewey, and Kevin O'Connor look back at clips to see how thermostats have evolved over the 25 years AskTOH has been on the air. Then, Ross compares common home insulation types, sharing which materials may work best for various situations. Nathan Gilbert helps a homeowner fix a sticking antique front door by replacing the worn hinges, lock hardware, and the door sweep.

Nathan installs a shade sail for a sunny pool area; AskTOH spotlights the brothers of a fourth-generation landscaping company in the Atlanta area; Mark makes a cost-effective concrete walkway repair.

Richard Trethewey, Ross Trethewey, and Kevin O'Connor look back at clips to see how thermostats have evolved over the 25 years AskTOH has been on the air. Then, Ross compares common home insulation types, sharing which materials may work best for various situations. Nathan Gilbert helps a homeowner fix a sticking antique front door by replacing the worn hinges, lock hardware, and the door sweep.

Lee troubleshoots why a backyard won't grow grass and installs a shade-tolerant sod; Ross shares what to consider before converting to heat pumps; Kevin and maker Sarah Nadarajah build a side table.

Richard praises the marvel of modern plumbing, then retrofits a radiant floor system; Nathan explains cable railing connections and maintenance; Jenn shares the updated USDA Plant Hardiness Zone Map.

Jenn and Nathan review Tulsa's stormwater management and install a rain barrel; Mark helps a homeowner divert water from her pooling patio; the team shares new additions to their tool bags.

Mauro brightens a dark apartment using paint concentrations; Mark and Richard discuss what naturally causes wet basements and how to mitigate it; Tom and Kevin build a bat house.