This Old Recap

6 recaps

ADU

ADU is a subject that recurs across these This Old House and Ask This Old House recaps. A recap is listed when one of its tags is ADU. Tools and guides on this page come only from those 6 episodes.

Recaps

AI illustration of a mudroom work area with MDF wainscoting panels, a biscuit joiner, a brad nailer, wood glue, MDF dust, and warm daylight
THIS OLD HOUSES47 / E25

This Old House · S47 E25

This Old House S47 E25: Walpole ADU Luxury Vinyl Plank, MDF Wainscoting, and 12 Smart Switches in the Snow

A 21-inch blizzard doesn't stop the Walpole ranch and ADU. Kevin traces luxury vinyl plank from PVC and limestone through digital printing and an aluminum oxide wear layer, Jay's crew clicks it through the ADU, Zack Dettmore and Adrian assemble MDF wainscoting in the mudroom, and Sean wires 12 smart switches, including one that floods every exterior light at once.

AI illustration of a ceiling cassette air handler fitted between basement joists, with insulated refrigerant lines, a PVC drain, tools, and dust on the floor in warm window light
THIS OLD HOUSES47 / E23

This Old House · S47 E23

This Old House S47 E23: Walpole Vinyl Siding, a Modular ADU From Pennsylvania, and a Ceiling Cassette That Avoids a Dropped Ceiling

Zack Dettmore and Jared install four-inch Dutch lap vinyl with trim details that hide the usual J-channel tell, Zack tours a 100,000-square-foot modular factory in Middleburg, Pennsylvania, Richard Trethewey fits a ceiling cassette into a low basement, and the crew sets a three-panel slider into a custom copper pan.

AI illustration of a sunlit, partly framed wall junction at a basement stair opening, with dimensional lumber, a built-up header, and carpentry tools resting on dusty subfloor
THIS OLD HOUSES47 / E22

This Old House · S47 E22

This Old House S47 E22: Walpole ADU Framing, Shared Utilities, and a Plumber's Flags

In Walpole, Kevin and GC Kevin open the old ranch wall while Tom Silva ties a 2x4 interior wall into a 2x6 exterior wall and Richard Trethewey watches plumber Bob lay out shared ADU drains with landscape flags. Sean Brennan buries a new 400-amp service for two meters, then Kevin tours Atlanta ADUs built in garages, new construction, and a Decatur loft.

AI illustration of a concrete foundation footing with rebar, anchor bolts, pump hose, and wooden forms in a muddy excavation under warm daylight
THIS OLD HOUSES47 / E21

This Old House · S47 E21

This Old House S47 E21: Walpole Ranch ADU Begins, a 38-Inch Frost Problem, and a Mechanical Room in Exactly the Wrong Place

Dan and Jill's 1971 Walpole ranch kicks off Season 47's final project with a 900-square-foot ADU for Jill's parents. Tom Silva catches a garage foundation that came up ten inches short of local frost depth, Richard Trethewey stares down an oil boiler that has to serve two households, and Jenn Nawada plans a yard built for kids, grandparents, and one shared fire pit.

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