General Questions- Page 134 of 1410
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Gap Between Crawlspace and Cinder-Block Wall
Hi all needed your thoughts on what to do here. Live in California and have an at-grade crawl space 30x30. I'm doing an encapsulation and have mostly finished it. Vapor…
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Materials for Bottom Window Sill
Hey all, I can't find thin beveled cedar lap siding/clap board that I keep reading about to use for window sills for my 2x6 rough. Anyone have a good idea…
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Screed Over Glavel Foamed Glass Slab
I'm looking for some help to determine the most suitable (and available) aggregate to use for a screed layer. These are the planned layers bottom to top: *compacted stone *geotextile…
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Insulating the Space Between Main floor and Finished Basement
My house is a split foyer that has a finished basement and one main level. I am remodeling the exterior by taking out the old spray foam that has deteriorated,…
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Can an air-to-water heat pump replace a gas boiler to supply hydronic baseboard heaters?
Because of my GBA subscription (and I guess my enthusiasm for the topic) people sometimes ask me green building technology questions that are well beyond my limited knowledge. Recently a…
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External air barrier – how real is the benefit of non-adhered wraps?
We're working on a remodel of a 1940/1990 house in climate zone 4 Marine (Seattle). We'll be redoing the siding and we are hoping to put in place an external…
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Retrofitting a ductless ERV in a 2×4 wall
I have some clients who renovated two of their 2 unit rental building a few years ago. The town insisted they use closed cell foam on the walls and roof…
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Excellent Airtightness Makes Doors Hard to Open
Hi everyone, I recently finished my PGH build and the house is very tight. (0.6 ach50) the exterior doors are difficult to open and close because of the air tightness.…
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R40 Foundation in Zone 7a (ext rigid and int spray?)
Hi All,We are building a well insulated, tight home in Winnipeg Mb. The client has an unrelenting desire to have as close to possible R40 basement poured concrete walls.We often…
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Auto-balancing HRV worth it?
Does anyone have a good resource or maybe some thoughts/experiences to share on the pros/cons of an auto-balancing HRV vs. an HRV that is simply balanced at installation and otherwise…