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Hello, I will be insulating my basement walls to add some basic livable space. 1920’s colonial with poured concrete walls and floor, very dry with no water intrusion, efflorescence etc. Basement is about 75% below ground level. Looking at the 21 and 24 IECC code, for a basement wall in my zone (5a), “15ci or […]
Climate zone 4A: I am nearing the end of a major kitchen renovation. Pre-renovation, one of the two HVAC supply vents blew directly under the kitchen sink base and out a cutout in the toe kick. It is my understanding that this placement of a supply is less than desirable, but a local HVAC contractor suggested […]
Q&A Spotlight Planning to prevent heat loss and ice dams By Chuck Bickford | February 2, 2026 Section of JH’s roof and attic Ah, winter in northern Minnesota! One of the coldest places in the continental U.S.—a place where good insulation isn’t a luxury, it’s survival. Duluth resident and member “jh11850” (let’s call them “JH”) […]
Greetings, We are having some electrical work done, and the electrician cut some pretty big holes into the interior side of an exterior wall. This is a late 1970s home in north IL, but the area where the work is being performed is an addition, maybe from the 90s. This is CZ5A, so I was […]
I’m grateful to be on this site, and am hopeful someone may have a recommendation for this project. Quick background: Climate zone 5A, Upstate NY c. 1900 house Balloon framed No Soffits on house, so no opportunity for soffit vents Attic venting done at gable ends and ridge vents New asphalt shingle roof Vermiculite in […]