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Ask This Old House mason Mark McCullough investigates a strange issue happening to foundations in the Northeast

In this DIY Smarts, Ask This Old House home technology expert Ross Trethewey installs a DIY security system.

Ask This Old House general contractor Tom Silva teaches the basics of sanding, from choosing the right grit to proper technique.

Ask This Old House plumbing and heating expert Richard Trethewey travels to Akron, Ohio to install a garage heater.

Mark installs a stone walkway; Mauro breaks down painter’s tape; Tom builds a headboard.

Framing net zero. Heat loss and gain to design a balanced HVAC system. A visit the International Builders Show. Old wiring and plumbing exposed.

TOH 2018 Idea House interior designer Kristen Martone explains why the WhisperHood IAQ™ may be the right ventilation hood for you.

See the many ways the craftsmen of Sweenor Builders utilized Gorilla Adhesives at the TOH 2018 Idea House

Inside and out, and throughout every floor, take a complete tour of the TOH Idea House in Narragansett, Rhode Island with builder Jeff Sweenor

There’s a shortage of skilled workers across the building trades today. Learn how Marvin is doing their part to inspire the next generation, by offering an intensive Immersion Experience at their dedicated training facility in Warroad, Minnesota.

Ask This Old House general contractor Tom Silva and host Kevin O’Connor build a headboard using rustic barnboard.

In this guide, This Old House painter Mauro Henrique explains the uses and techniques for different types of painter’s tape

Elevate your property's outdoor space by installing a front walkway using natural, rustic stone. Our step-by-step guide shows you how to place stones properly.

Mark explains how to make concrete; Tom repairs a basement window; Ross visits NASA to learn about the International Space Station.

Shingle removal. A visit to a manufacturer of precast concrete walls. Kevin gets a tour of historic Jamestown. Foundation wall panels arrive and are placed

In this web exclusive extra, Ask This Old House home technology expert Ross Trethewey travels to NASA Johnson Space Center to meet with Mike Berrill and see how astronauts use the bathroom in space

From preparation to finish-out, This Old House general contractor, Tom Silva, shows us how to replace a broken window pane.