Uploaded June 2026 | Updated September 2026, 3 weeks ago
Zack tours a Pennsylvania factory to follow a modular Accessory Dwelling Unit from floor framing and rough mechanicals through finishing and shipment, before it is delivered and craned into place in Massachusetts.
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ADU manufacturer: Backyard ADUs [backyardadus.com/]
Side trip: Modular Building Systems Of PA [modularbuildingsystemsofpa.com/]
About This Old House TV: This Old House is America’s first and most trusted home improvement show. Each season, we renovate two different historic homes—one step at a time—featuring quality craftsmanship and the latest in modern technology. We demystify home improvement and provide ideas and information so, whether you are doing it yourself or hiring out contractors, you’ll know the right way to do things or the questions to ask. Our experts including general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Jenn Nawada, master carpenter Norm Abram, and host Kevin O’Connor give you the tools you need to protect and preserve your greatest investment—your home.
Follow This Old House:
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Modular ADU Factory Tour | This Old House
youtube.com/user/thisoldhouse
Zack tours a Pennsylvania factory to follow a modular Accessory Dwelling Unit from floor framing and rough mechanicals through finishing and shipment, before it is delivered and craned into place in Massachusetts.
SUBSCRIBE to This Old House: bit.ly/SubscribeThisOldHouse.
Looking for more step by step guidance on how to complete projects around the house? Join This Old House Insider to stream over 1,000 episodes commercial-free: bit.ly/2GPiYbH
Want weekly tips, project guides, and behind-the-scenes content from the TOH crew?
Sign up for our free newsletter here: thisoldhouse.com/pages/newsletters
Plus, download our FREE app for full-episode streaming to your connected TV, phone or tablet: thisoldhouse.com/pages/streaming-app
ADU manufacturer: Backyard ADUs [backyardadus.com/]
Side trip: Modular Building Systems Of PA [modularbuildingsystemsofpa.com/]
About This Old House TV: This Old House is America’s first and most trusted home improvement show. Each season, we renovate two different historic homes—one step at a time—featuring quality craftsmanship and the latest in modern technology. We demystify home improvement and provide ideas and information so, whether you are doing it yourself or hiring out contractors, you’ll know the right way to do things or the questions to ask. Our experts including general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Jenn Nawada, master carpenter Norm Abram, and host Kevin O’Connor give you the tools you need to protect and preserve your greatest investment—your home.
Follow This Old House:
Facebook: bit.ly/ThisOldHouseFB
Twitter: bit.ly/ThisOldHouseTwitter
Pinterest: bit.ly/ThisOldHousePinterest
Instagram: bit.ly/ThisOldHouseIG
TikTok: tiktok.com/@thisoldhouse
Modular ADU Factory Tour | This Old House
youtube.com/user/thisoldhouse
