Ask This Old House

Nathan travels to Birmingham, Alabama to install a sliding barn door in an open-concept loft apartment; Tom compares the qualities of different types of roofing materials; Ross explains the culprit behind damaged solar panels and how to prevent future damage; Mark installs a drywell for a homeowner with drainage issues in his backyard.

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.

Lee Gilliam upgrades a coastal house's gravel driveway to a seashell driveway.

Heath visits New Orleans to see how a lighting manufacturer handcrafts copper gas and electric lanterns; Richard breaks down why toilets overflow when they clog; Mauro helps a homeowner restore her rusted metal patio furniture set.

Heath visits New Orleans to see how a lighting manufacturer handcrafts copper gas and electric lanterns; Richard breaks down why toilets overflow when they clog; Mauro helps a homeowner restore her rusted metal patio furniture set.

Jenn teaches Kevin how to plant a small herb garden with a cocktail theme; a homeowner's radiator sprung away from the pipe when he tried to replace the valve, so Richard heads to his house to help him reconnect it; Mark replaces a homeowner's sloppy fireplace surround with a clean, thin brick veneer.

Heath visits New Orleans to see how a lighting manufacturer handcrafts copper gas and electric lanterns; Richard breaks down why toilets overflow when they clog; Mauro helps a homeowner restore her rusted metal patio furniture set.

Heath visits New Orleans to see how a lighting manufacturer handcrafts copper gas and electric lanterns; Richard breaks down why toilets overflow when they clog; Mauro helps a homeowner restore her rusted metal patio furniture set.

Heath visits New Orleans to see how a lighting manufacturer handcrafts copper gas and electric lanterns; Richard breaks down why toilets overflow when they clog; Mauro helps a homeowner restore her rusted metal patio furniture set.

Lee Gilliam upgrades a coastal house's gravel driveway to a seashell driveway.

Lee Gilliam upgrades a coastal house's gravel driveway to a seashell driveway.

Lee Gilliam upgrades a coastal house's gravel driveway to a seashell driveway.

Lee Gilliam upgrades a coastal house's gravel driveway to a seashell driveway.

Lee Gilliam upgrades a coastal house's gravel driveway to a seashell driveway.

Tom explains the uses and purposes of different types of screws; Richard travels to Park City, Utah to install a whole house ductless humidifier; Ross and Richard discuss changes to electric bill payment structures; Jenn installs a front entry planter for a homeowner that will last through the winter.

Tom repairs an old dining room built-in with hand tools and a bar of soap; the team shares more home inspection nightmares; electrician Heath Eastman makes his first house call to install a chandelier in a homeowner's dining room.

Tom shares a few methods to remove ring stains from a wood table; Jenn breaks down the types of soil and fertilizer needed for common indoor plants; Mark repairs a brick floor's crumbling mortar using spot pointing rather than a full repoint job.

Lee Gilliam upgrades a coastal house's gravel driveway to a seashell driveway.

Lee Gilliam upgrades a coastal house's gravel driveway to a seashell driveway.

Tom checks out a women's only DIY class on building a footstool and discusses some of the unique challenges faced by women learning DIY skills; Jenn helps a homeowner select, place, and install plants for her terraced garden; the team discusses the ways homeowners and contractors should communicate to set appropriate expectations for home improvement projects.

Lee Gilliam upgrades a coastal house's gravel driveway to a seashell driveway.

Lee Gilliam upgrades a coastal house's gravel driveway to a seashell driveway.

Lee Gilliam upgrades a coastal house's gravel driveway to a seashell driveway.

Tom shares a few methods to remove ring stains from a wood table; Jenn breaks down the types of soil and fertilizer needed for common indoor plants; Mark repairs a brick floor's crumbling mortar using spot pointing rather than a full repoint job.

Tom shares a few methods to remove ring stains from a wood table; Jenn breaks down the types of soil and fertilizer needed for common indoor plants; Mark repairs a brick floor's crumbling mortar using spot pointing rather than a full repoint job.

Tom shares a few methods to remove ring stains from a wood table; Jenn breaks down the types of soil and fertilizer needed for common indoor plants; Mark repairs a brick floor's crumbling mortar using spot pointing rather than a full repoint job.

Tom shares a few methods to remove ring stains from a wood table; Jenn breaks down the types of soil and fertilizer needed for common indoor plants; Mark repairs a brick floor's crumbling mortar using spot pointing rather than a full repoint job.

Tom shares a few methods to remove ring stains from a wood table; Jenn breaks down the types of soil and fertilizer needed for common indoor plants; Mark repairs a brick floor's crumbling mortar using spot pointing rather than a full repoint job.

As they create paintings, beadwork, photographs, and films, four international artists reveal the complex ties between the communities and cultures they move between.

Tom shares a few methods to remove ring stains from a wood table; Jenn breaks down the types of soil and fertilizer needed for common indoor plants; Mark repairs a brick floor's crumbling mortar using spot pointing rather than a full repoint job.

Tom shares a few methods to remove ring stains from a wood table; Jenn breaks down the types of soil and fertilizer needed for common indoor plants; Mark repairs a brick floor's crumbling mortar using spot pointing rather than a full repoint job.

Tom travels to Utah to help a homeowner replace his traditional stair railing with more modern cable railing; Richard explains why standard PVC should not be used to vent gas appliances and what should be used instead; Nathan upgrades a standard, flat panel hollow core door to look more modern; Mauro helps a homeowner properly clean and paint her vinyl shutters.

Tom shares a few methods to remove ring stains from a wood table; Jenn breaks down the types of soil and fertilizer needed for common indoor plants; Mark repairs a brick floor's crumbling mortar using spot pointing rather than a full repoint job.

Tom shares a few methods to remove ring stains from a wood table; Jenn breaks down the types of soil and fertilizer needed for common indoor plants; Mark repairs a brick floor's crumbling mortar using spot pointing rather than a full repoint job.

Tom shares a few methods to remove ring stains from a wood table; Jenn breaks down the types of soil and fertilizer needed for common indoor plants; Mark repairs a brick floor's crumbling mortar using spot pointing rather than a full repoint job.

As they create paintings, beadwork, photographs, and films, four international artists reveal the complex ties between the communities and cultures they move between.

As they create paintings, beadwork, photographs, and films, four international artists reveal the complex ties between the communities and cultures they move between.

As they create paintings, beadwork, photographs, and films, four international artists reveal the complex ties between the communities and cultures they move between.

As they create paintings, beadwork, photographs, and films, four international artists reveal the complex ties between the communities and cultures they move between.

As they create paintings, beadwork, photographs, and films, four international artists reveal the complex ties between the communities and cultures they move between.

Mark explains the history and function of beehive ovens and then restores one; Richard explains failure points in toilet tanks and how to repair them; maker Jimmy DiResta invites Tom to his shop for a welding lesson and to build a metal coat rack.

Kevin builds a hexagon planter with maker Jenn Largesse; Jenn Nawada travels to Brooklyn to revive a stoop that has been taken over by weeds; the team shares more Home Inspection Nightmares; Heath installs an electric fireplace insert.

Lee helps a homeowner plant a row of arborvitae trees for a privacy border; Mark breaks down the various tools that can be found in the average fireplace set; Tom and Kevin demonstrate how to build a storage rack for container totes using 2x4s.

As they create paintings, beadwork, photographs, and films, four international artists reveal the complex ties between the communities and cultures they move between.

As they create paintings, beadwork, photographs, and films, four international artists reveal the complex ties between the communities and cultures they move between.

Nathan demonstrates a sanding kit with different profiles; Heath clarifies and installs the temperature rating system for ceiling lights; Mark explains the purposes and uses for different types of trowels; Tom and Kevin build a tool storage shelf.

As they create paintings, beadwork, photographs, and films, four international artists reveal the complex ties between the communities and cultures they move between.

As they create paintings, beadwork, photographs, and films, four international artists reveal the complex ties between the communities and cultures they move between.

As they create paintings, beadwork, photographs, and films, four international artists reveal the complex ties between the communities and cultures they move between.

Lee helps a homeowner plant a row of arborvitae trees for a privacy border; Mark breaks down the various tools that can be found in the average fireplace set; Tom and Kevin demonstrate how to build a storage rack for container totes using 2x4s.

Lee helps a homeowner plant a row of arborvitae trees for a privacy border; Mark breaks down the various tools that can be found in the average fireplace set; Tom and Kevin demonstrate how to build a storage rack for container totes using 2x4s.

Lee helps a homeowner plant a row of arborvitae trees for a privacy border; Mark breaks down the various tools that can be found in the average fireplace set; Tom and Kevin demonstrate how to build a storage rack for container totes using 2x4s.

Lee helps a homeowner plant a row of arborvitae trees for a privacy border; Mark breaks down the various tools that can be found in the average fireplace set; Tom and Kevin demonstrate how to build a storage rack for container totes using 2x4s.

Nathan travels to a Sears kit house to tighten a loose stair railing; Mauro demonstrates how to strip paint off old door hardware; Heath explains the uses and purposes of electrical boxes; Richard replaces an old thermostat with a smart thermostat.

Richard replaces a shower valve he has never seen before in his career with a conventional pressure balanced one; Nathan demonstrates how to refinish stair treads; Tom helps a homeowner remove moss from his roof and prevent it from growing back.

Jenn visits a Rhode Island sod farm to see what sustainable grass alternatives they've been experimenting with; Tom and Kevin discuss the most common types of nail head and shank designs; Heath brightens up a dark driveway.

Lee helps a homeowner plant a row of arborvitae trees for a privacy border; Mark breaks down the various tools that can be found in the average fireplace set; Tom and Kevin demonstrate how to build a storage rack for container totes using 2x4s.

Lee helps a homeowner plant a row of arborvitae trees for a privacy border; Mark breaks down the various tools that can be found in the average fireplace set; Tom and Kevin demonstrate how to build a storage rack for container totes using 2x4s.

Jenn installs a unique kind of indoor garden for a homeowner who wants to grow vegetables year round; Tom explains the basics of using a hole saw; Mark replaces a common terra cotta hearth with slate tile.

Lee helps a homeowner plant a row of arborvitae trees for a privacy border; Mark breaks down the various tools that can be found in the average fireplace set; Tom and Kevin demonstrate how to build a storage rack for container totes using 2x4s.

Lee helps a homeowner plant a row of arborvitae trees for a privacy border; Mark breaks down the various tools that can be found in the average fireplace set; Tom and Kevin demonstrate how to build a storage rack for container totes using 2x4s.

Lee helps a homeowner plant a row of arborvitae trees for a privacy border; Mark breaks down the various tools that can be found in the average fireplace set; Tom and Kevin demonstrate how to build a storage rack for container totes using 2x4s.

Jenn visits a Rhode Island sod farm to see what sustainable grass alternatives they've been experimenting with; Tom and Kevin discuss the most common types of nail head and shank designs; Heath brightens up a dark driveway.

Jenn visits a Rhode Island sod farm to see what sustainable grass alternatives they've been experimenting with; Tom and Kevin discuss the most common types of nail head and shank designs; Heath brightens up a dark driveway.

Jenn visits a Rhode Island sod farm to see what sustainable grass alternatives they've been experimenting with; Tom and Kevin discuss the most common types of nail head and shank designs; Heath brightens up a dark driveway.

Jenn visits a Rhode Island sod farm to see what sustainable grass alternatives they've been experimenting with; Tom and Kevin discuss the most common types of nail head and shank designs; Heath brightens up a dark driveway.

Jenn visits a Rhode Island sod farm to see what sustainable grass alternatives they've been experimenting with; Tom and Kevin discuss the most common types of nail head and shank designs; Heath brightens up a dark driveway.

Nathan demonstrates a mobile CNC routing machine; Tom teaches a young woodworker how to build a dog dish stand using primarily power tools; Heath explains different methods for wiring a portable generator to a house; Ross gives an update on an app.

Jenn travels to Washington D.C.; Mark learns about how Mount Rushmore was built and demonstrates techniques for cutting stone; Nathan visits Abraham Lincoln's house and helps a homeowner replace traditional mortise hardware with hardware that locks.

Nathan Gilbert travels to a Mississippi Navy Seabees base, where he learned carpentry as part of his naval training, to see what his former battalion have been working on; Tom Silva walks Kevin O'Connor through different types of trailer hitches, their uses, and what to consider for safe towing; Mauro Henrique helps a homeowner repaint her peeling galvanized stair railing.

Jenn visits a Rhode Island sod farm to see what sustainable grass alternatives they've been experimenting with; Tom and Kevin discuss the most common types of nail head and shank designs; Heath brightens up a dark driveway.

Jenn visits a Rhode Island sod farm to see what sustainable grass alternatives they've been experimenting with; Tom and Kevin discuss the most common types of nail head and shank designs; Heath brightens up a dark driveway.

Ross tests out some new smart lighting configurations; Tom helps a homeowner build a custom screen door to fit her unique front entryway; Mauro teaches a homeowner some techniques to paint old 1960s wood trim with a varnish on it.

Jenn visits a Rhode Island sod farm to see what sustainable grass alternatives they've been experimenting with; Tom and Kevin discuss the most common types of nail head and shank designs; Heath brightens up a dark driveway.

Jenn visits a Rhode Island sod farm to see what sustainable grass alternatives they've been experimenting with; Tom and Kevin discuss the most common types of nail head and shank designs; Heath brightens up a dark driveway.

Jenn visits a Rhode Island sod farm to see what sustainable grass alternatives they've been experimenting with; Tom and Kevin discuss the most common types of nail head and shank designs; Heath brightens up a dark driveway.

Nathan Gilbert travels to a Mississippi Navy Seabees base, where he learned carpentry as part of his naval training, to see what his former battalion have been working on; Tom Silva walks Kevin O'Connor through different types of trailer hitches, their uses, and what to consider for safe towing; Mauro Henrique helps a homeowner repaint her peeling galvanized stair railing.

Nathan Gilbert travels to a Mississippi Navy Seabees base, where he learned carpentry as part of his naval training, to see what his former battalion have been working on; Tom Silva walks Kevin O'Connor through different types of trailer hitches, their uses, and what to consider for safe towing; Mauro Henrique helps a homeowner repaint her peeling galvanized stair railing.

Nathan Gilbert travels to a Mississippi Navy Seabees base, where he learned carpentry as part of his naval training, to see what his former battalion have been working on; Tom Silva walks Kevin O'Connor through different types of trailer hitches, their uses, and what to consider for safe towing; Mauro Henrique helps a homeowner repaint her peeling galvanized stair railing.

Nathan Gilbert travels to a Mississippi Navy Seabees base, where he learned carpentry as part of his naval training, to see what his former battalion have been working on; Tom Silva walks Kevin O'Connor through different types of trailer hitches, their uses, and what to consider for safe towing; Mauro Henrique helps a homeowner repaint her peeling galvanized stair railing.

Nathan Gilbert travels to a Mississippi Navy Seabees base, where he learned carpentry as part of his naval training, to see what his former battalion have been working on; Tom Silva walks Kevin O'Connor through different types of trailer hitches, their uses, and what to consider for safe towing; Mauro Henrique helps a homeowner repaint her peeling galvanized stair railing.

Kevin works with Jenn Largesse to demonstrate a technique on a trim router; Heath grounds an outlet for a homeowner; Mauro explains different paint rollers and demonstrates good rolling techniques; Mark replaces malfunctioning fireplace doors.