Green Homes News

Reaching R40 wall with Common Wall? Separate Layers?

Green Homes 2 - Sat, 2026-05-16 14:28
I have a 2x6 framed house with taped CDX plywood and Tyvek on the outside. I'd like to reach an r40 wall insulation, but I'd also like to skip exterior…
Categories: Green Homes

Passive home HVAC design

Green Homes 2 - Sat, 2026-05-16 13:35
I have a mechanical engineer who says he's done Passive home design. My new home design is 6,000 s.f. in climate zone 4A with a SIP house exterior walls and…
Categories: Green Homes

Help me understand window detail in Dr. Joe’s “Deep-Dish Retrofits”, please!

Green Homes 2 - Sat, 2026-05-16 11:26
Thanks in advance for your time and thoughts!I'm considering applying the methods outlined in Dr. Joe's 2014 article:https://buildingscience.com/documents/insights/bsi079-deep-dish-retrofitsBut I'm having a hard time with the detail at the top of…
Categories: Green Homes

Framing & Sealing a Backyard Sauna on a Concrete Pad — Philadelphia

Green Homes 2 - Sat, 2026-05-16 08:17
I'm preparing to build a freestanding backyard sauna on a freshly poured 4" concrete pad (cured for 10 days) and have a few questions before I start framing.The pad measures…
Categories: Green Homes

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