Green Homes News

Exterior Concrete Wall Insulation behind Metal Siding

Green Homes 2 - 3 hours 46 min ago
I have a steel building that has a relatively tall (60") stem wall.  I trimmed out the bottom of the building to have a 3" drip edge under which I…
Categories: Green Homes

Replacing a Trane

Green Homes 2 - 4 hours 33 min ago
I have a 15 year old Trane XB13 that is too big and too small at the same time. At 35°F, it cycles because it's too big and at 30°F,…
Categories: Green Homes

Navigating a difficult new build

Green Homes 2 - 6 hours 38 min ago
Good afternoon,We recently moved into our new construction home this past August. Unfortunately, the build itself did not go as smooth we had hoped.We have been playing clean-up on many…
Categories: Green Homes

Hire contractor or hire architect for exterior insulation details?

Green Homes 2 - 13 hours 39 min ago
Hello, all. Any recommendations on how to plan and hire out exterior insulation installation as part of a whole house re-siding project? Hire an architect to draft details, hire design-build?…
Categories: Green Homes

Best spray foam insulation for 100-year-old home

Green Homes 2 - 14 hours 25 min ago
We will be finishing the attic in our 1930 house in Atlanta, GA this year (Climate Zone 3A, winters include multiple days in the 20s and summers include multiple days…
Categories: Green Homes

Can tile sit above where drywall terminates?

Green Homes 2 - 15 hours 3 min ago
We have an intello vapor barrier that slightly slicks out under the drywall at the bottom, this will ultimately be hidden by molding so not worried about this detail. But,…
Categories: Green Homes

Venting a Vented Rainscreen

Green Homes 2 - 19 hours 13 min ago
What are the advantages of a vented rainscreen cavity?
Categories: Green Homes

Critique my rafter insulation plan

Green Homes 2 - Wed, 2026-01-14 09:44
Planning a cabin build in northern Wisconsin.  Climate zone 7a.  About 830 SF total.  A 16' x 32' portion will be rafter framed with a loft over about half of…
Categories: Green Homes

Wildfire Resilience – Rebuilding After the Fire

Green Homes 2 - Wed, 2026-01-14 02:00
After losing their home in a 2020 wildfire, this Oregon couple rebuilt with Passive House performance and wildfire-resilient detailing
Categories: Green Homes

Please Sanity Check My Manual J

Green Homes 2 - Tue, 2026-01-13 17:36
I'm planning to install A/C into a 1920's two story home in NJ.  It has steam radiators so this will be used primarily for cooling, though I may as well…
Categories: Green Homes

Vapor retarder on shower walls?

Green Homes 2 - Tue, 2026-01-13 15:21
Hi,I'm building a new home. I had a fair bit of hemp insulation left over so decided to insulate all my interior walls as not only a way to use…
Categories: Green Homes

Basement Wall Assembly & Insulation Clarification

Green Homes 2 - Tue, 2026-01-13 10:33
I am in the beginning stages of designing the basement for development.  Calgary, Alberta. The home is 3 years old, per code the basement comes finished rough, which means 2x6…
Categories: Green Homes

Finishing Attic – Insulation Plan

Green Homes 2 - Tue, 2026-01-13 09:52
Hello -We're finishing the attic in our 100-year old colonial. The ancient roof was just replaced and we installed GAF Intake Pro Rooftop Intake Vent (we couldn't do soffits because…
Categories: Green Homes

Installing ceiling OSB on crooked bottom chords

Green Homes 2 - Tue, 2026-01-13 07:19
I am getting ready to install the ceiling OSB in my workshop, and have noticed that some of the bottom chords are very crooked. I haven't measured, but by eye…
Categories: Green Homes

What to do with an unused, shared, chimney?

Green Homes 2 - Tue, 2026-01-13 05:12
Hi!I’m Leib, and I’ve been trying to figure out what to do with a chimney that I can’t remove.The house is in New York City (zone 4), and is built…
Categories: Green Homes

Natural Building at Scale: Lessons from Dancing Rabbit Ecovillage

Green Homes 2 - Tue, 2026-01-13 02:00
In rural Missouri, fifty residents are showing how shared infrastructure and ecological building can reshape both housing and community life.
Categories: Green Homes

VDP with no “mechanical ventilation” in Unvented Cathedral (No Attic)

Green Homes 2 - Mon, 2026-01-12 18:20
Hi All,I am trying to understand IBC 5.2.9 "Where only air-permeable insulation is installed directly below the structural roof sheathing, air shall be supplied at a flow rate....etc etc.Does this…
Categories: Green Homes

Gap in fiberglass insulation in steel building wall cavity

Green Homes 2 - Mon, 2026-01-12 17:24
Hopefully a quick question:I have a steel building with steel girts and purlins.  I already have 1" continuous XPS on the outside of the wall, but figured I would fill…
Categories: Green Homes

Cross Battens vs 3d Mesh – Standing Seam (or, shingles)

Green Homes 2 - Mon, 2026-01-12 15:50
Hi All,Does anyone have opinions, experience, or data regarding the pros/cons of putting a cross-batten grid of ~a few inches, vs. a much tighter 'air gap' using a product like…
Categories: Green Homes

Double Stud Walls- Insul at Exterior Cavity Only?

Green Homes 2 - Mon, 2026-01-12 15:13
Our client asked for deeper-than-typical interior window sills so we're adding a 2x4 wall to the interior of the structural 2x6 walls. By code, R-21 batts in the 2x6 wall…
Categories: Green Homes

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