GBA Pro Help
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Exterior insulation to existing with stucco cladding?
Am I overcomplicating this assembly?In Zone 5, we are adding new windows and exterior insulation to our 1930's 2x4 1.5 story home. Currently the walls are 2x4, cavity filled faced…
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Unvented small crawl space details for helical pile foundation
Hello I’ve done some reading here on GBA and Building Science Corp. I am hoping I’ve understood the details and just wondered if I could sanity check and get any inputs…
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Best practice metal roofing assemblies in Climate Zone 2 (HOT & HUMID)
Hello everyone. My wife and I are building a steel, custom home with a snap-lock style roof. The roof was designed to be screwed directly onto the purlins and insulated…
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How to Insulate poorly vented scissor truss
Hello,first I would like to thank you for your time!I have an idea to insulate a section of an attic that has a scissor truss that runs perpendicular to a…
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How to Improve This Wall Assembly’s Drying Potential
The house we bought 10 years ago in Canadian zone 6 was state of the art when it was built in 1990 with double wall assembly: siding/horizontal furring strip-/sheeting membrane…
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Insulating an Off-Grid Crawlspace
How do I finish my crawl space after exterior mineral wool energy retrofit? First the important details... -We're completely off-grid -In zone 5c in the Cascades of E. Washington -My…
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account corrupted?
My original account (brooklynite), the one that is currently paying for Pro, has trouble posting to the forum; every time I post, I get a message saying my post is…
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Double-stud wall assembly with NuCedar shingle siding
I plan on building a cottage on the East coast in New Brunswick Canada this summer (Zone 6).I am interested in a higher R value wall assembly either by one…
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Filling in an Old Crawlspace with Geofoam
I am demolishing a house and plan on building new one. The lot is a narrow city lot, therefore, there's not much flexibility for the placement of the new house.…
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Rim Joist Insulation
I live in northern Iowa (Zone 6). I am finishing my basement. I have insulated the rim joists with 4 inches of XPS foam board sealed around the edges with…
