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Ask This Old House mason Mark McCullough tells us the story of how he got started in the trade he loves.

Read our step-by-step instructions on identifying and repairing rotting wood and learn how to keep your home’s wood components in top shape.

Ask This Old House home technology expert Ross Tretheway explains everything you need to know about heat pumps.

In this episode, the roof gets different types of underlayment. Then, an oak mantle is installed on the fireplace, and brickwork is corrected. The old boiler is disassembled, and exterior clapboards are painted inside. Finally, the team installs a linear drain.

Watch as 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.

Learn all about different saw blade types, components, and characteristics in this guide to choose the right blade for your next DIY project.

Learn how to diagnose and fix weak WiFi signals in your home with This Old House home technology expert Ross Trethewey.

Plumbing expert Richard Trethewey shows a homeowner how to replace a bathtub drain when his old 1950s tub stops draining properly.

In this episode, new material is used for the house’s exterior trim. Kevin O’Connor visits a window restoration shop, and radiant floor heating is installed in the garage. Finally, the homeowners tile the basement bathroom.

In Tool Lab, Nathan explains the different table saw blade types; Ross extends WiFi service in a house; Richard replaces a faulty tub drain; the team shares their New Years’ Resolutions.

Craft wooden Christmas ornaments using a lathe and scrap wood.

Landscape contractor Jenn Nawada explains how to identify and care for holly plants and incorporate them into a landscape.

In this guide and video, plumbing and heating expert Richard Trethewey shows how to deep-clean a dishwasher and repair its components.

This week, framing is complete on the multi-angled roof, and a remote-controlled skylight is installed. The team discusses a mini-duct system, and the homeowner’s mother makes a glass mosaic table. Finally, a rotted wood gutter is replaced.

In this episode, 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.

This Old House general contractor Tom Silva teams up with an aspiring woodworker to build a DIY wooden workbench

Looking to set up a small workshop? Watch as This Old House general contractor Tom Silva helps a young woodworker set up her first workshop.

General contractor Tom Silva helps a pair of woodworking siblings build a DIY birdhouse in their new workshop.