Green Homes News

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…

After losing their home in a 2020 wildfire, this Oregon couple rebuilt with Passive House performance and wildfire-resilient detailing

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…

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…

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…

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…

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…

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…

In rural Missouri, fifty residents are showing how shared infrastructure and ecological building can reshape both housing and community life.

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…

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…

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…

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…

Hello,Having issues with downloading the autocad detail for the double-stud wall: vaulted ceiling.  I also was unable to insert the PDF download into Revit, wondering if anyone is having this…

Initial Attic Condition - Attic has about 2-3 inches of clumped up blown-in insulation between joist and low-ish gable end vents on the east and west ends. I think you'd…

Haven't seen this covered on Green Building Advisor yet.Could be a game-changer if it's real.I can't link to it because I know from experience my post will get rejected, so…

My name is Mael and I am in climate zone 5 (western Massachusetts).I built my home over a year ago with the following wall assembly detail going from outside in:-29…

Will a non-standard strategy for radon mitigation work on an older home?

We’re installing Hardie trim with a standard Hardie siding assembly. Our architectural detail shows a triangular-shaped piece above the first course of siding. The architect mentioned this is a piece…

I am a 3rd year architecture student designing a hypothetical project of a tiny house located in Phoenix, Arizona, Zone 2b. I am experimenting with CMU as my material of…