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Hello All I am trying to find the best solution for this problem. Here is my external wall above foundation. 2”x6” studs, then Zip 1/2”, then 3.95” Fiberglass Z-girts which will house 3” Rockwool Cavity rock (Less rigid than comfortboard 80, some cost savings), and provide ~0.75” rainscreen space, brick ties (will be attached to […]
I am planning a chainsaw retrofit and adding 5-6 inches of polyiso foam to the roof with 2×4 sleepers for vent channel. The 2×4’s lock the foam in place but I am curious if I should be using fully threaded screws like Simpson SWD or truss screws to secure the 2×4 so they can’t fall […]
Join the leading community of building science experts Become a GBA Prime member and get instant access to the latest developments in green building, research, and reports from the field. Start free trial Replies Expert Member MALCOLM TAYLOR | Dec 06, 2025 12:01pm | #1 Stephen, You can either crop them, or use one of […]
Hello, Hoping to get feedback on my makeup air strategy for my “inhouse” that will hold my composting toilet in my utility room. Airtight construction r20,40,65 coastal Maine builder owner.Dense pack happens in January so I am working out penetrations. To begin, I am aware that this is less than ideal but it’s what […]
Mold isn’t a bad thing. Without it, we wouldn’t have beer, blue cheese, or penicillin. When mold starts attacking the inside of your house, however, it is a bad thing. Even before the memorable onslaught of hurricanes in 2004 and 2005, we’d seen a lot more moldy buildings. Mold claims in Texas alone increased by […]
Market Outlook For 2026: The Fourth Industrial Revolution Is Just Getting Started (SPY) Seeking Alpha