Green Building Techniques- Page 8 of 325
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Preventing Moisture in Unvented attic in Coastal California
I have gone through a read a number of papers, and watched a fair number of videos on the pros and cons of vented vs unvented attics. We are building…
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EFIS install detail where wall – roof join
We are soon going to be ready to install our EFIS (planning to use Sider-Crete's system) on our ICF home w/ wood framed dormers. I have zero experience with EFIS…
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R-60 in cape cod attic
I am in the process of having a cape cod style modular home built. The home will not come with the attic finished so I am planning on finishing it…
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Can an Attic be Made Conditioned Without Using Foam Adhering to Roof Deck?
To avoid the complications of toxicity related to spray foam insulation, is there any way to provide a conditioned attic using an insulation other than foam adhered to the underside…
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Do you need a rain screen between ZIP and wood fiber board?
I had in my mind to build a wall assembly that is a 2x6 > ZIP > Exterior wood fiberboard > strapping ? cladding. I had someone today say I…
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Anyone have experience with sub-slab bagged-perlite?
Hi all, I was planning to use a foamed-glass aggregate product for my sub-slab insulation since it has low embodied energy compared to other options in this application. However being…
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Polyiso over old bitumen flat roof
We have a NYC rowhouse with a flat roof and we are putting on a new surface in preparation for solar panels. We want to also add 2" polyiso while we…
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Finalized frost-protected monolithic slab detail
Thanks to everyone who has helped me on here over the past year or two as I refined my shed/workshop plans. I definitely over-thought and over-planned, but I'm finally doing…
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Unvented low slope roof assembly vapor retarder/barrier location
I've perused quite a few articles, listened to podcasts and YouTube, etc. regarding unvented low slope roofs. A lot of common themes exist but details are seemingly light on the…
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Flash-and-fill with open-cell foam?
The basic question:Is there any reason why we couldn't use a flash-and-fill (foam+cellulose) insulation approach on a double-stud wall (probably about 12" overall), using open-cell spray foam instead of closed-cell,…