General Questions- Page 145 of 1410
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Semi-conditioned New Build Crawlspace
I recently moved into a new construction single family home on a crawlspace in upstate SC. The builder put in a loose vapor barrier, sealed the vents with foam, and…
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Roof ventilation channels above the foam?
I am in Vermont. I am insulating my roof on the exterior only with polyiso. The roof will be strapped and metal hung on the strapping. I was going to…
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Strapping necessary under metal roof?
Hi folks,I'm building a 7:12 pitch gable roof in Nova Scotia, Canada. Planning on either 1/2" or 5/8" CDX sheathing over the trusses and will cover with Mento 3000 as…
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Review of the FoamBeak nozzle
From time to time we've talked about ways of using canned spray foam to cover areas. A product that intrigued me was the FoamBeak (on Amazon at: https://www.amazon.com/gp/product/B01EAZJWG8 ) which is…
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Home Innovation Research Labs : Designing for Natural Hazards Series Volumes 1 – 5
I just got an email from the JLC and they had an article with a link to this series of design guidelines from the Home Innovation Research Lab on how…
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How much for Peace of Mind?
There is quite a lot of discussion on this site aboutpayback time for certain types of construction. Such asheat pumps vs gas heat, or exterior insulation vs doublewall, etc. What…
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Plan Examiners Where You Are
We seem to have a constant stream of questions on GBA about how to vent newly constructed roofs, and how to insulate both them and new walls. I'm curious as…
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Exterior Door Upgrade
I have a 1940s era wood front door that gets full afternoon sun (however it's underneath a porch overhang), exterior door temp has been measured over 150F. It has interlocking…
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retrofit for masonry wall
climate zone 4Aexisting masonry wall 2 wythe brick/cmu/ 1960's construction. i stripped back to expose the block on the interior and am wondering what my best assembly will be. [really don't…
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Dedicated dehumidifier system ductwork
In addition to an ERV system—and separate from—we’re installing a dedicated dehumidifier system that will not connect to outside. A few questions on design:(1) Can I get away with a…