Green Homes News

I'm so grateful for the help I've received from GBA for our new house build, thank you!  We're about to have concrete poured for our front porch. We have heat-sheet…

30 Years later I'm fixing up a second story 2"x4" wall from the outside. Climate Zone 6. Two layers of 1 1/2" rockwool, 1"x3" wood battens for rain screen, with…

If you look at the attached diagram, there is an inverted j-channel at the top of the window opening. This is clearly going to fill up with water and debris,…

I was going to use aluminum screen to cover the gap at the bottom of the rainscreen, because it stands up better than fiberglass screen in standard use. Now I'm…

Every two years, students in a rural Illinois high school build a complete home. This latest project demonstrates that high-performance construction isn't reserved for custom builders—it can also be taught in a classroom

I am in the PNW CZ 4C where we have long wet shoulder seasons (although I'm not so sure how that might play here). I have a 1 car garage…

After three years of radon testing, I finally installed a mitigation system. Here’s what I learned—and how well it’s working so far.

Hi all, will the assembly in the picture work without condensation issues? It will be constructed in climate zone 4a. Or should the Poly Iso be located at the ceiling…

I am having an issue with a window (red circle) that leaks from the top during heavy rain. Could the cause of the leak be solely from the lack of…

Hello everyone, I am currently insulating my basement floor using a subfloor assembly consisting of 2 inches of rigid foam (XPS) topped with two layers of plywood. However, I have left…

I got a design 5 years ago from an engineer specifying 2 ply lvl for the open pier and beam foundation.I'm finally ready to build and can no longer reach…

I am hopeful we can help put my aunt’s mind at ease following her recent roof installation.Her home has traditionally relied on gable venting and has performed well with that…

Can a house with no exterior windows still feel bright, comfortable, and connected to the outdoors?

I have fiberglass bats in my basement ceiling and walls. Some is covered bydry wall but a lot is exposed, but hard to seal with drywall.what else can i use?

I bought a ~10 year old passive house in Maine this spring. It's become clear that dehumidification is needed. I've tried a portable unit, but draining it is inconvenient (no…

A breakdown of recent jobs data and AI markets shows a bright future for skilled trade work, with caveats.

Any tips on retrofitting kickout flashing? I'm confused about whether it's supposed to go under the siding, or under the house wrap etc.

HVAC equipment only delivers rated capacity when airflow is correct. Measuring total system airflow can reveal comfort, humidity, and performance problems that often go undiagnosed

Hi all - I have been struggling to find the *right* solution for my house.  Here are all the basics:1994 Cape Cod in zone 5.  History of ice dams, leaks, mold…

I am in the planning stages of finishing out the 2nd floor of an expandable cape modular home in climate zone 5. The entire space is insulated but otherwise unfinished.…