Green Homes News

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

HRV OR ERV Design with Central Heat Pump in Northern Ontario, Canada

Green Homes 2 - Sun, 2026-04-19 18:09
I am building a single-story 1600 sq ft passive home on a frost-protected shallow foundation in northern Ontario, Canada, in Climate Zone 4 and Growing Zone 4b.  My HVAC design…
Categories: Green Homes

Insulating rim joists in a wet basement with rubble stone foundation

Green Homes 2 - Sun, 2026-04-19 07:30
My basement is wet, cold, and uninsulated and I need a plan to make it less cold. Here's my situation:- 1906 house in Maine- 50% rubble stone foundation, 50% cement (extension…
Categories: Green Homes

insulation under thickened (load bearing) slab

Green Homes 2 - Sat, 2026-04-18 18:40
I'm located in midWest (Zone 4) and I'm planning to install R-10 insulation under vapor barrier, under basement slab. In this application, the perimeter footings and concrete basement walls are…
Categories: Green Homes

Angled Soffit with Metal Soffit/Fascia

Green Homes 2 - Sat, 2026-04-18 06:47
I am working on a project with 2.5’ long eaves on the non-gable sides.  The plan is to keep angled soffits and to use vented metal soffit panels and metal…
Categories: Green Homes

Preventing termite passage behind slab perimeter insulation

Green Homes 2 - Fri, 2026-04-17 09:32
I'm helping a neighbor here in MA get insulation installed around the perimeter of her slab. Another neighbor did this and had termites enter her house by passing behind the…
Categories: Green Homes

Unvented Attic

Green Homes 2 - Fri, 2026-04-17 09:30
I am building a new home that will have an unvented or conditioned attic, ERV and dehumidifier.  I am in Houston, Texas, so it's mostly hot and humid.  Framing is…
Categories: Green Homes

Passive House Accelerator: Unlocking Airtightness and Insulation

Green Homes 2 - Fri, 2026-04-17 02:00
A look at materials, installation strategies, and testing methods that make airtightness achievable on real-world projects
Categories: Green Homes

Double Stud wall to ICF frost wall

Green Homes 2 - Thu, 2026-04-16 15:27
Does anybody have an architectural detail for joining an (Element) ICF frost wall to a 12" wide double-stud wall?  The double-stud wall has a 2x6 structural exterior wall with a…
Categories: Green Homes

Pages

RMC facebook RMC twitter
Scroll to Top