Green Homes News

The Future of Sustainable Forestry Resides in Idaho

Green Homes 2 - 7 hours 37 min ago
The University of Idaho’s new Forest Innovations Institute wants to bring the U.S. into the 21st century with smart, digitized forestry practice
Categories: Green Homes

Advice on hiding uneven rowlock, contractor advised sealing

Green Homes 2 - Mon, 2025-12-08 20:27
We had a knee wall built with the original bricks from the home, but the rowlock bends up and down along the entire wall.The brick is also completely unlevel. I…
Categories: Green Homes

Air sealing attic in winter – possible to keep can warm?

Green Homes 2 - Mon, 2025-12-08 16:33
I live in Michigan and need to air seal my attic. Unfortunately it's going to be 20-30 degrees for the foreseeable future, which means cans of foam will very quickly…
Categories: Green Homes

Crawl Space Insulation for a 130-Year-Old Home

Green Homes 2 - Mon, 2025-12-08 02:00
Are there any alternatives to closed-cell spray foam?
Categories: Green Homes

Radon venting

Green Homes 2 - Sun, 2025-12-07 21:18
I’m retrofitting a radon vent into my 1 story house. I could go through an interior partition wall, but I would have to pack the wall put so it’s thick…
Categories: Green Homes

Air and water management at stud-wall to foundation wall transition, in setting of thick exterior insulation

Green Homes 2 - Sun, 2025-12-07 15:09
 Hello AllI am trying to find the best solution for this problem. Here is my external wall above foundation.2”x6” studs, then Zip 1/2”, then 3.95” Fiberglass Z-girts which will house 3”…
Categories: Green Homes

Screws for 2×4 sleepers through exterior roof foam

Green Homes 2 - Sat, 2025-12-06 11:40
I am planning a chainsaw retrofit and adding 5-6 inches of polyiso foam to the roof with 2x4 sleepers for vent channel.  The 2x4's lock the foam in place but…
Categories: Green Homes

Trouble uploading photos

Green Homes 2 - Sat, 2025-12-06 09:34
Any advice? It seems a simple photo exceeds the 3 MB limit on uploads, although one sneaks through every now and then.
Categories: Green Homes

Make up air for “inhouse”

Green Homes 2 - Sat, 2025-12-06 09:22
Hello,Hoping to get feedback on my makeup air strategy for my "inhouse" that will hold my composting toilet in my utility room. Airtight construction r20,40,65 coastal Maine builder owner.Dense pack…
Categories: Green Homes

The Mold Explosion

Green Homes 2 - Sat, 2025-12-06 02:00
Today’s houses make it easier for mold to find the food and water it needs to thrive. The cure is a quick cleanup and smarter choices in materials.
Categories: Green Homes

Rockwool and vapor barrier?

Green Homes 2 - Fri, 2025-12-05 17:33
I've come across conflicting answers when it comes to whether or not an interior vapor barrier should be used in conjunction with Rockwool.  This forum seems thorough so I thought…
Categories: Green Homes

Cold Climate Envelop Counterpoint – Joe Lstiburek Article

Green Homes 2 - Fri, 2025-12-05 16:00
Joe makes the point that houses historically built in cold climates  "2x6 wall with R-5 foam sheathing coupled with unfaced fiberglass batt cavity insulation covered with an interior 6 mil…
Categories: Green Homes

conditioned space over unconditioned garage – retrofit

Green Homes 2 - Fri, 2025-12-05 10:32
I have a structure with an unconditioned garage with conditioned space above and to one side. It's down to the studs at the moment. And the way it was built…
Categories: Green Homes

Dehumidification and Hygric buoyancy

Green Homes 2 - Fri, 2025-12-05 10:07
How effective is dehumidification in a space with little air movement? Will a dehumidifier work in an attic to reduce the levels near the peak if it is located on…
Categories: Green Homes

Preferred option for slab edge insulation

Green Homes 2 - Fri, 2025-12-05 06:21
There are a lot of people with many decades of experience on this website. With this question I'd like to tap in, do a bit of a survey, and get…
Categories: Green Homes

Our Current HVAC Mess

Green Homes 2 - Fri, 2025-12-05 02:00
Experts discuss problems with residential HVAC systems, as a first step toward defining solutions
Categories: Green Homes

Insulation – Roxul versus Fiberglass

Green Homes 2 - Thu, 2025-12-04 21:58
We are building in zone 3B with a conditioned attic. Does Roxul ComfortBatt R38 insulation at the roof deck and R21 in the exterior walls perform better than fiberglass insulation of…
Categories: Green Homes

metal framed basement window

Green Homes 2 - Thu, 2025-12-04 17:09
We are refinishing a basement and I can't figure out how to go about handing the basement window. We want to change the windows but after we tore out all…
Categories: Green Homes

The 6 Worst Indoor Air Pollutants

Green Homes 2 - Thu, 2025-12-04 02:00
The worst pollutants for indoor air quality ranked based on the effects to human health
Categories: Green Homes

Interior double stud wall retrofit – details

Green Homes 2 - Wed, 2025-12-03 23:45
Hello,  thanks for this great resource Q&A forum.  Thanks in advance for your input, and I hope this is entertaining!  If you have a minute, please tell me if I'm…
Categories: Green Homes

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