Expert Exchange Q&A- Page 2 of 11
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Energy-efficient home builders
For a deeper understanding of the financial and environmental benefits of improving your home's energy efficiency
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energy retrofitting insulation at rim joist in masonry building
In northern virginia 1960's masonry building with wood joists:Thinking about energy retrofitting my basement but am concerned about increasing the possibility of rotting wood joists:The existing joists sit on a…
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Unvented Cathedral Ceiling with Drywall Gaps in Ceiling – Am I at Risk of Batt Insulation Particle Exposure?
Hello, I’m a homeowner (not a builder) that is hoping for insight from the experienced builders on this forum to help put my mind at ease.In 2022, I purchased a…
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Insulating the Space Between ICF Wall and Roof
This is such a weird space to consider in my design. I've read more than I care to admit and still can't quite make sense of it.My house is ICF,…
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Insulated Garage- stepped foundation wall – stretch code
Hi-I am working on a garage in a stretch-code town that has a stepped foundation wall on the sides and back of the garage as the grade slopes up about…
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Quantifiable effects of wind washing in vented unbaffled cathedral ceilings over fibrous insulations.
I am trying to find information that quantifies the effects of wind washing of air permeable insulations in cathedral ceilings. I've done some pretty extensive searching online and can't seem…
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R-Max Multi max insulation noise
I have a home that has a timber framed non vented roof. Above the T&G roof decking 2 layers of R-Max insulation were installed. The layer over the T&G roof…
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Mitsubishi Mini-split Overshoot — time to cut jumpers?
I have a 1.5 ton Mitsubishi mini-split serving a living room of 500-600 sq ft. Since installation, it has never been able to regulate the room temp close to the…
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Final Verdict on Unvented Attic and Standing Seam Roof
I'm in Climate Zone 3a with a 12:2 low slope standing seam metal roof and unvented attic (most of the house has no attic, so is cathedral ceiling). I'll be…
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Is this the right way to clean an American Standard evaporator coil?
Cleaning the evaporator coil of an American Standard air conditioning system is essential for optimal performance and extended lifespan. Follow this detailed guide to ensure a thorough and safe cleaning…