Fire Safety Episodes

1 episode tagged with "Fire Safety"

AI illustration of an unfinished fire-rated shared wall with mineral wool insulation, sealed penetrations, and a duct fire damper in a residential renovation

This Old House S47 E24: A Firewall Recipe, a Hydro-Air Surprise, and a Dorchester Attic ADU That Delivers

May 14, 2026 • 9 min read

In Walpole, a two-unit ranch gets a code-rated firewall, a shared hydro-air HVAC system, whole-house water filtration, and a cold-joint injection that makes old-meets-new basement walls honest. Then Kevin and Tom tour a finished attic ADU in Dorchester—proof that 700 square feet can feel like a yacht.