Green Homes News

Foundation sealing, why not the top, too?

Green Homes 2 - 4 hours 29 min ago
I'm in Colorado zone 5.  It's common practice to treat below grade stem wall exterior faces with water resistive barriers (be it tar based for water resistive or something more…
Categories: Green Homes

Which is most energy efficient for 5 bedroom dehumidifcation?

Green Homes 2 - 7 hours 21 min ago
I have two ervs dumping moist air into 5 bedrooms in the house via dedicated ducts.Right now the temperature is 70f and 63%-65% humidity.  I would like to have a…
Categories: Green Homes

Zone-4 3 season cabin wall assembly

Green Homes 2 - 12 hours 29 min ago
I am updating a 17x23 foot cabin located in climate zone 4. The cabin will be 3 season use with 2 or 3 short-term visits during the dead of winter. …
Categories: Green Homes

Kneewalls SPF on sheathing, should I remove batt from kneewalls?

Green Homes 2 - 12 hours 41 min ago
We’ve decided to install closed-cell SPF directly to the underside of the roof sheathing in the “devil’s triangle” attic areas adjacent to the kneewalls.The existing condition includes faced batt insulation…
Categories: Green Homes

The Inadequacy of House Burping

Green Homes 2 - 17 hours 52 min ago
Lüften, or house burping is one method of ventilation. There are better ways.
Categories: Green Homes

Vapor product between plywood and ceiling in CZ-2?

Green Homes 2 - Wed, 2026-04-22 22:09
I want to install plywood beadboard ("Plybead") directly to the ceiling joists as the finish ceiling in a rental house in CZ-2.  (No drywall.)  AI says just caulk the ply-to-joist…
Categories: Green Homes

Where to find European style door

Green Homes 2 - Wed, 2026-04-22 18:21
Hi,I’m having to replace the siding on a side of my house. On this project I’m going to be replacing a French door as well. I was hoping to find…
Categories: Green Homes

Home Battery Backup Systems, Part 2: Modern Systems and Equipment

Green Homes 2 - Wed, 2026-04-22 02:00
How traditional and modular battery systems work, how to size them correctly, and what to expect from performance, safety, and cost
Categories: Green Homes

Nailbase options over fiberboard

Green Homes 2 - Tue, 2026-04-21 14:04
I am working on a 1970s home in Zone 5A with the following exterior wall assembly: interior 1/2” gyp bd, 2x4 framing 16”oc with either original kraft faced batts or…
Categories: Green Homes

Zip R12 on top of 1/2″ sheathing?

Green Homes 2 - Tue, 2026-04-21 08:56
Hi teamNew house in Zone 6. GC wants to use Zip R12 but engineer requiring osb directly on studs for shear. Aside from obvious redundancy, any moisture or material issues…
Categories: Green Homes

Removing blown-in insulation from baffles

Green Homes 2 - Tue, 2026-04-21 08:52
We just had blown-in insulation installed by a company, and while checking their completed work, we noticed that a lot of our baffles have insulation in them. Some of them…
Categories: Green Homes

Canadian Manufacturer Has Scalable, Low-Carbon Solution for Asbestos Mine Waste

Green Homes 2 - Tue, 2026-04-21 02:00
BAIE Minerals produces decarbonized minerals for building products while also remediating environmental blight
Categories: Green Homes

Flared cedar shake wall detail

Green Homes 2 - Mon, 2026-04-20 21:16
Hello,I am looking for insight into how others have dealt with the following scenario:We have an exterior wall that will have cedar shake panel siding installed over 1x4” vertical strapping.The…
Categories: Green Homes

Looking for engineer/architect familiar with Vermont Champlain Valley Clay

Green Homes 2 - Mon, 2026-04-20 19:36
I'm DIY building a simple two bedroom ~2000sf two-story house in Vermont on a site that's flat Champlain Valley Clay. The drainage is so poor that my septic permit for…
Categories: Green Homes

Concrete integrity with rigid foam underneath

Green Homes 2 - Mon, 2026-04-20 18:26
Hi all, Building slab-on-grade home in Zone 6. No basement or crawl due to high water table. Bought reclaimed 4" xps to go under and around the slab. Realized later that 2…
Categories: Green Homes

Insulating attic with XPS and Rockwool

Green Homes 2 - Mon, 2026-04-20 08:24
Hi all, excited to have an opportunity to join this community and thank you in advance. I am in the northeast, in zone 5. This question follows some advice I…
Categories: Green Homes

Home Design in California ?

Green Homes 2 - Mon, 2026-04-20 07:24
Designing high-performance homes in California requires more than meeting basic building standards. 
Categories: Green Homes

Questions about WRB on my Timber Framed home

Green Homes 2 - Mon, 2026-04-20 06:56
Hey all, I am building my first home (a small 600sqft timber frame) in Southern Vermont. I am leaving all my framing members exposed, because in my opinion that's half…
Categories: Green Homes

Whole home dehumidifier w/ ERV?

Green Homes 2 - Mon, 2026-04-20 05:43
We have a new build and an ERV installed. The ERV runs constantly on a low speed and boosts when anyone is in the showers or in the kitchen when…
Categories: Green Homes

The Limits of Industrial Thinking in a Site-Built World

Green Homes 2 - Mon, 2026-04-20 02:00
Why prefabrication hasn’t delivered the cost savings many expected—and what that means for how we build today
Categories: Green Homes

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