Ask This Old House

Tom demonstrates how to sharpen a knife; Mauro teaches a homeowner how to re-stain her deck; Mark demonstrates the best way to build a fire to prevent smoke from filling up the room; Ross learns about innovations to automatic water shutoff valves.

Tom demonstrates how to sharpen a knife; Mauro teaches a homeowner how to re-stain her deck; Mark demonstrates the best way to build a fire to prevent smoke from filling up the room; Ross learns about innovations to automatic water shutoff valves.

Tom demonstrates how to sharpen a knife; Mauro teaches a homeowner how to re-stain her deck; Mark demonstrates the best way to build a fire to prevent smoke from filling up the room; Ross learns about innovations to automatic water shutoff valves.

Tom demonstrates how to sharpen a knife; Mauro teaches a homeowner how to re-stain her deck; Mark demonstrates the best way to build a fire to prevent smoke from filling up the room; Ross learns about innovations to automatic water shutoff valves.

Richard shows Kevin the proper way to ventilate a sink; in Nashville, Tom converts a regular door into a Dutch door; Jenn updates a landscape by moving around, dividing, and pruning the current plants in the yard.

Richard shows Kevin the proper way to ventilate a sink; in Nashville, Tom converts a regular door into a Dutch door; Jenn updates a landscape by moving around, dividing, and pruning the current plants in the yard.

Tom demonstrates how to sharpen a knife; Mauro teaches a homeowner how to re-stain her deck; Mark demonstrates the best way to build a fire to prevent smoke from filling up the room; Ross learns about innovations to automatic water shutoff valves.

Tom demonstrates how to sharpen a knife; Mauro teaches a homeowner how to re-stain her deck; Mark demonstrates the best way to build a fire to prevent smoke from filling up the room; Ross learns about innovations to automatic water shutoff valves.

Tom demonstrates how to sharpen a knife; Mauro teaches a homeowner how to re-stain her deck; Mark demonstrates the best way to build a fire to prevent smoke from filling up the room; Ross learns about innovations to automatic water shutoff valves.

Tom demonstrates how to sharpen a knife; Mauro teaches a homeowner how to re-stain her deck; Mark demonstrates the best way to build a fire to prevent smoke from filling up the room; Ross learns about innovations to automatic water shutoff valves.

Richard travels to Orlando to diagnose and repair an HVAC system that's creating way too much humidity; Mark demonstrates the best way to build a fire to prevent smoke from filling up the room; Mauro teaches a homeowner how to re-stain a deck.

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 who's famous online for his how-to videos.

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 who's famous online for his how-to videos.

Roger and Jenn share tips for killing weeds without hurting the lawn; Mark restores a historic fireplace that is built with custom bricks; Richard and Ross discuss improvements to thermostats; Tom adds structure to a porch to safely hang a swing.

Jenn helps a homeowner add curb appeal to his house using Victorian plants to match its design; the team shares more home inspection nightmares; Mauro demonstrates how to accurately match paint color; Tom and Kevin hand carve wooden serving utensils.

Jenn helps a homeowner add curb appeal to his house using Victorian plants to match its design; the team shares more home inspection nightmares; Mauro demonstrates how to accurately match paint color; Tom and Kevin hand carve wooden serving utensils.

Jenn helps a homeowner add curb appeal to his house using Victorian plants to match its design; the team shares more home inspection nightmares; Mauro demonstrates how to accurately match paint color; Tom and Kevin hand carve wooden serving utensils.

Tom demonstrates how to sharpen a knife; Mauro teaches a homeowner how to re-stain her deck; Mark demonstrates the best way to build a fire to prevent smoke from filling up the room; Ross learns about innovations to automatic water shutoff valves.

Jenn helps a homeowner add curb appeal to his house using Victorian plants to match its design; the team shares more home inspection nightmares; Mauro demonstrates how to accurately match paint color; Tom and Kevin hand carve wooden serving utensils.

Jenn helps a homeowner add curb appeal to his house using Victorian plants to match its design; the team shares more home inspection nightmares; Mauro demonstrates how to accurately match paint color; Tom and Kevin hand carve wooden serving utensils.

Roger installs a downspout alternative; painter Mauro Henrique explains the differences between various types of paintbrushes; Richard installs a vanity for homeowners who gave up on it 7 years ago; Tom shows closet storage options.

Roger installs a downspout alternative; painter Mauro Henrique explains the differences between various types of paintbrushes; Richard installs a vanity for homeowners who gave up on it 7 years ago; Tom shows closet storage options.

Jenn helps a homeowner add curb appeal to his house using Victorian plants to match its design; the team shares more home inspection nightmares; Mauro demonstrates how to accurately match paint color; Tom and Kevin hand carve wooden serving utensils.

Jenn helps a homeowner add curb appeal to his house using Victorian plants to match its design; the team shares more home inspection nightmares; Mauro demonstrates how to accurately match paint color; Tom and Kevin hand carve wooden serving utensils.

Jenn helps a homeowner add curb appeal to his house using Victorian plants to match its design; the team shares more home inspection nightmares; Mauro demonstrates how to accurately match paint color; Tom and Kevin hand carve wooden serving utensils.

Jenn helps a homeowner add curb appeal to his house using Victorian plants to match its design; the team shares more home inspection nightmares; Mauro demonstrates how to accurately match paint color; Tom and Kevin hand carve wooden serving utensils.

Richard heads to Milwaukee to install an instantaneous water heater; Tom demonstrates some techniques for cutting straight edges with a circular saw; Mark rebuilds a retaining wall that was stacked with the wrong material.

Ross tests a smart stud finder; Nathan travels to Oregon to repair a wood floor that was burned from a hot iron; Tom shares the best techniques to use a table saw safely; Jenn replaces and improves foundation plantings that were crushed by snow.

Ross tests a smart stud finder; Nathan travels to Oregon to repair a wood floor that was burned from a hot iron; Tom shares the best techniques to use a table saw safely; Jenn replaces and improves foundation plantings that were crushed by snow.

Jenn helps a homeowner add curb appeal to his house using Victorian plants to match its design; the team shares more home inspection nightmares; Mauro demonstrates how to accurately match paint color; Tom and Kevin hand carve wooden serving utensils.

Roger tends to a lawn that was seeded in the summer and is not doing well; Richard goes over low-budget kitchen upgrades; Tom travels to a futuristic workshop in San Francisco to build a stool using computer-based tools.

Roger tends to a lawn that was seeded in the summer and is not doing well; Richard goes over low-budget kitchen upgrades; Tom travels to a futuristic workshop in San Francisco to build a stool using computer-based tools.

Ross tests a smart stud finder; Nathan travels to Oregon to repair a wood floor that was burned from a hot iron; Tom shares the best techniques to use a table saw safely; Jenn replaces and improves foundation plantings that were crushed by snow.

Richard shows Kevin the proper way to ventilate a sink; in Nashville, Tom converts a regular door into a Dutch door; Jenn updates a landscape by moving around, dividing, and pruning the current plants in the yard.

Richard shows Kevin the proper way to ventilate a sink; in Nashville, Tom converts a regular door into a Dutch door; Jenn updates a landscape by moving around, dividing, and pruning the current plants in the yard.

Richard travels to Orlando to diagnose and repair an HVAC system that's creating way too much humidity; Mark demonstrates the best way to build a fire to prevent smoke from filling up the room; Mauro teaches a homeowner how to re-stain a deck.

Mark explains how to make concrete; Tom replaces a broken pane in a basement window; in Future Hosue, Ross travels to NASA Johnson Space Center to learn about the technology they use on the International Space Station to keep the astronauts alive.

Richard travels to Orlando to diagnose and repair an HVAC system that's creating way too much humidity; Mark demonstrates the best way to build a fire to prevent smoke from filling up the room; Mauro teaches a homeowner how to re-stain a deck.

Mark explains how to make concrete; Tom replaces a broken pane in a basement window; in Future Hosue, Ross travels to NASA Johnson Space Center to learn about the technology they use on the International Space Station to keep the astronauts alive.

Mark explains how to make concrete; Tom replaces a broken pane in a basement window; in Future Hosue, Ross travels to NASA Johnson Space Center to learn about the technology they use on the International Space Station to keep the astronauts alive.

Mark explains how to make concrete; Tom replaces a broken pane in a basement window; in Future Hosue, Ross travels to NASA Johnson Space Center to learn about the technology they use on the International Space Station to keep the astronauts alive.

Mark explains how to make concrete; Tom replaces a broken pane in a basement window; in Future Hosue, Ross travels to NASA Johnson Space Center to learn about the technology they use on the International Space Station to keep the astronauts alive.

Richard diagnoses and repairs a water system with air in it; in Open House, Tom analyzes a staircase that is not to code; Mauro makes his first house call to teach a homeowner the basics of painting a room.

Mark explains how to make concrete; Tom replaces a broken pane in a basement window; in Future Hosue, Ross travels to NASA Johnson Space Center to learn about the technology they use on the International Space Station to keep the astronauts alive.

Tom demonstrates how to sharpen a knife; Mauro teaches a homeowner how to re-stain her deck; Mark demonstrates the best way to build a fire to prevent smoke from filling up the room; Ross learns about innovations to automatic water shutoff valves.

Mark explains how to make concrete; Tom replaces a broken pane in a basement window; in Future Hosue, Ross travels to NASA Johnson Space Center to learn about the technology they use on the International Space Station to keep the astronauts alive.

Mark explains how to make concrete; Tom replaces a broken pane in a basement window; in Future Hosue, Ross travels to NASA Johnson Space Center to learn about the technology they use on the International Space Station to keep the astronauts alive.

Mark explains how to make concrete; Tom replaces a broken pane in a basement window; in Future Hosue, Ross travels to NASA Johnson Space Center to learn about the technology they use on the International Space Station to keep the astronauts alive.

Roger installs a downspout alternative; painter Mauro Henrique explains the differences between various types of paintbrushes; Richard installs a vanity for homeowners who gave up on it 7 years ago; Tom shows closet storage options.

Jenn helps a homeowner add curb appeal to his house using Victorian plants to match its design; the team shares more home inspection nightmares; Mauro demonstrates how to accurately match paint color; Tom and Kevin hand carve wooden serving utensils.

Mark installs a front walkway for a homeowner using natural stone; Mauro explains the uses and techniques for different types of painter's tape; Tom and Kevin build a headboard using rustic barnboard.

Mark installs a front walkway for a homeowner using natural stone; Mauro explains the uses and techniques for different types of painter's tape; Tom and Kevin build a headboard using rustic barnboard.

Mark installs a front walkway for a homeowner using natural stone; Mauro explains the uses and techniques for different types of painter's tape; Tom and Kevin build a headboard using rustic barnboard.

Mark installs a front walkway for a homeowner using natural stone; Mauro explains the uses and techniques for different types of painter's tape; Tom and Kevin build a headboard using rustic barnboard.

Mark installs a front walkway for a homeowner using natural stone; Mauro explains the uses and techniques for different types of painter's tape; Tom and Kevin build a headboard using rustic barnboard.

In this special episode of AskTOH, the guys head to Texas in the aftermath of Hurricane Harvey to profile nonprofits working to tear down, clean out, and rebuild homes that were destroyed during the storm.

Mark installs a front walkway for a homeowner using natural stone; Mauro explains the uses and techniques for different types of painter's tape; Tom and Kevin build a headboard using rustic barnboard.

Mark installs a front walkway for a homeowner using natural stone; Mauro explains the uses and techniques for different types of painter's tape; Tom and Kevin build a headboard using rustic barnboard.

Mark installs a front walkway for a homeowner using natural stone; Mauro explains the uses and techniques for different types of painter's tape; Tom and Kevin build a headboard using rustic barnboard.

Mark installs a front walkway for a homeowner using natural stone; Mauro explains the uses and techniques for different types of painter's tape; Tom and Kevin build a headboard using rustic barnboard.

Roger tends to a lawn that was seeded in the summer and is not doing well; Richard goes over low-budget kitchen upgrades; Tom travels to a futuristic workshop in San Francisco to build a stool using computer-based tools.

Tom installs crown molding on cabinets with full overlay doors; Richard discusses toilet seats; Mauro teaches apprentice Mary how to strip wallpaper without using any chemicals.

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.

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.

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.

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.

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.

Tom installs crown molding on cabinets with full overlay doors; Richard discusses toilet seats; Mauro teaches apprentice Mary how to strip wallpaper without using any chemicals.

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.

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.

Mark explains how to make concrete; Tom replaces a broken pane in a basement window; in Future Hosue, Ross travels to NASA Johnson Space Center to learn about the technology they use on the International Space Station to keep the astronauts alive.

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.

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.

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.

Richard diagnoses and repairs a water system with air in it; in Open House, Tom analyzes a staircase that is not to code; Mauro makes his first house call to teach a homeowner the basics of painting a room.

In Build It, Tom and Kevin build a modern storage bench out of a single sheet of MDF and the 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.

Tom installs crown molding on cabinets with full overlay doors; Richard discusses toilet seats; Mauro teaches apprentice Mary how to strip wallpaper without using any chemicals.

Tom installs crown molding on cabinets with full overlay doors; Richard discusses toilet seats; Mauro teaches apprentice Mary how to strip wallpaper without using any chemicals.

Tom installs crown molding on cabinets with full overlay doors; Richard discusses toilet seats; Mauro teaches apprentice Mary how to strip wallpaper without using any chemicals.

Tom installs crown molding on cabinets with full overlay doors; Richard discusses toilet seats; Mauro teaches apprentice Mary how to strip wallpaper without using any chemicals.

Tom installs crown molding on cabinets with full overlay doors; Richard discusses toilet seats; Mauro teaches apprentice Mary how to strip wallpaper without using any chemicals.