Green Homes News
In the process of designing a mater bedroom/bath addition that will be elevated on a col. and beam system (due to grades on site). I believe I have proper air…
I have 14 inches of cellulose insulation in the attic. We are adding a second level. Should we remove the cellulose insulation ?
I am looking for some guidance if I should put in an ERV. New construction home in climate zone 5A. 2 stories and a basement. About 4600 sqft above ground…
Hello everyone, recently I read about Vapor retarders in ventilated attic, ventilated crawlspace, ventilated cathedral roof, and I understand that in cold climate I can place the Vapor barrier near…
The attic has an HVAC system in the attic, There is insulation surrounding the unit and all throughout the floor boards in the atticThe ceiling in the attic is not…
Co-founders Lori Ferriss and Billie Faircloth discuss their non-profit’s mission with GBA
can I use 1/2" xps as an interior air barrier before framing wall. will this be vapor open enough. I can also use eps but only stocked in 3/4" near…
Hello there, I am using the zip system, with 2inch rockwool, 3/4 inch firing strips for rain screen, and a perforated aluminum bug screen (attached to sheathing behind rockwool on top…
Other members, seem to be able to respond as normal the last few days to the Q and A forum. I am able to post a question and make edit…
When it comes to making a home more fire-safe, materials matter. Get expert design tips from a firefighter who's also a residential builder.
Hi everyone,I just had our attic insulted with closed cell foam. By all appearances, they did a good job, but I did notice a lot of foam hit the bathroom…
We're currently looking at replacing our 26yo roof with a metal roof, and my biggest question (aside from being able to afford it) is whether there are PFAS chemicals in…
I'd feel a lot better if it was balanced ventilation with both supply and exhaust. I don't see any reason not to ventilate that space so long as it's not…
I am moving into my new build home. I did 100% closed cell foam R7.3 per inch throughout basement (2"), 1st, 2nd (4") and unvented attic (6")Climate zone 4Outside 3/4…
I posted about this a while back but want to make absolutely sure I understood correctly...Zone 6, 1 inch silverboard xs (micro perforated) on the exterior, 1-1/8" rimboard, 2 inch…
They both look like good details to me. Either should work fine. I would choose the first because the Z closure acts like a continuous cleat, which I prefer over…
So, I am finishing up my first standing seam (1 3/4 snap lock) roof.The large main roof worked out great.I have a small shed style roof that I just finished…
I am fully on board that attic fans (even solar powered ones) are a net negative in the vast majority of homes, since they will likely negatively pressurize the attic…
Reposting due to tech glitch of no responses incoming/outgoing..Im seeking help on how to approach an HVAC company in terms of maintenance that I don’t have the technical background to…
Hi all, I came across a couple of studies, that seems to show that ventilating a roof in zone 4 marine climate can create/exacerbate moisture problems even when properly constructed…
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