Green Homes News

Just one more…exterior Insulation moisture question for the archives

Green Homes 2 - Mon, 2024-11-04 11:44
Hi GBAs,I have truly read so many of these articles about insulation choices in the last 2 months but alas, here I am with a question about my own specific…
Categories: Green Homes

2018 IRC – ceiling vapor retarder

Green Homes 2 - Mon, 2024-11-04 10:07
If my wall assembly requires a class II vapor retarder per R702.7, does my ceiling assembly also require a class II vr by virtue of R805? If not, where are…
Categories: Green Homes

Temporary Seam Tape Recommendation

Green Homes 2 - Mon, 2024-11-04 09:48
Hello AllI have a basement in Vermont that has the first floor decked with Advantech.  The floor is going to sit until spring.  I would like to tape the seams…
Categories: Green Homes

New home without sheathing acceptable?

Green Homes 2 - Mon, 2024-11-04 07:23
I am working on plans for a new house with a builder in northeastern Japan (Sendai region) which is a mixed climate with lows of around -.4C (31F) to 28C…
Categories: Green Homes

Minotair

Green Homes 2 - Mon, 2024-11-04 06:58
Does anyone have experience with a Minotair ventilation system in a cold northern climate (I'm in Alaska)? Thanks!Alyson
Categories: Green Homes

New build recommendations in MN

Green Homes 2 - Sun, 2024-11-03 17:48
We have had success finding an architect on this website to help us design and maximize our space for a new build (thank you)!Next, we are looking for company recommendations…
Categories: Green Homes

Spray foam covered with vapour barrier? Etc

Green Homes 2 - Sun, 2024-11-03 17:29
Recently had some closed cell foam installed on my ceiling, which I instantly regret. It has been 7 days and it still smells.Besides that concern, I have a couple insulation…
Categories: Green Homes

flashing tape + liquid flashing in lieu of solid metal for brick veneer window sills?

Green Homes 2 - Sun, 2024-11-03 14:34
have replaced all of the windows in my house and only 1 window has any visible water damage, which is also the only window without any overhang. https://i.imgur.com/COPbcs5.jpeg is what…
Categories: Green Homes

Using a heat exchanger to increase latent heat extraction

Green Homes 2 - Sun, 2024-11-03 11:48
This is a follow-up to a discussion from an article that was recently posted about dehumidifiers -- https://www.greenbuildingadvisor.com/article/dehumidifying-with-portable-unit-vs-ducted-system  *-- and a discussion in the comments. I wanted to break that…
Categories: Green Homes

Radon barrier for on-grade concrete slab

Green Homes 2 - Sun, 2024-11-03 11:39
Hi,About to have a new build with footing/frost wall and on-grade slab with radiant heating (no basement or crawl space).My question is whether I should have the builder put in…
Categories: Green Homes

Structural solar hardware for flat roof assembly w/tapered insulation

Green Homes 2 - Sun, 2024-11-03 09:53
I'm nailing down the design for a flat roof assembly in climate zone 3C, single family residential. Our architect has specified the following assembly:Single-ply membrace roofing system (PVC) over1/2" recovery…
Categories: Green Homes

Heating zone running continuously

Green Homes 2 - Sun, 2024-11-03 09:12
Hello, I have a water based heating system and our Zone controller has space for 5 zones. We have one more zone for a space in the basement that is wired…
Categories: Green Homes

Garden Design for Woody Plants

Green Homes - Sun, 2024-11-03 08:00
Location: Hunnewell Lecture Hall, Arnold Arboretum, 125 Arborway, Boston

As we approach the end of the growing season, it’s time to start thinking about next year’s plantings! What trees or shrubs should you plant in your own yard? Which plants will fare best in your particular space and microclimate?... Read more about Garden Design for Woody Plants

Categories: Green Homes

Wet sheathing/wood between metal roof and exterior rigid foam.

Green Homes 2 - Sun, 2024-11-03 04:06
Hi all, I'm having a cedar shake roof replaced with metal standing seam and am concerned about design and moisture issues. I am in zone 6, east of the cascades so…
Categories: Green Homes

Unvented raised heel scissor truss

Green Homes 2 - Sat, 2024-11-02 16:42
I have an unvented assembly with a raised heel scissor truss (Zone 4C, under Seattle modified 2018 irc).   1. Is it worth considering a permeable roof underlayment, like slopeshield plus SA…
Categories: Green Homes

Closed cell spray foam for windows?

Green Homes 2 - Sat, 2024-11-02 11:14
Anyone one heard of or recommend (or not) using closed cell spray foam instead of normal spray foam for sealing window RO?  I’ve heard the normal stuff can absorb water.…
Categories: Green Homes

laundry/water heater closet waterproofing

Green Homes 2 - Sat, 2024-11-02 07:38
I have a 7.5' wide x ~34" deep closet space along the hallway at the top of my stairs for my water heater & washer/dryer. I'd like to waterproof the floor…
Categories: Green Homes

HBS Climate Symposium 2024

Green Homes - Sat, 2024-11-02 06:00
Location: Harvard Business School, 117 Western Ave, Boston

The Climate Symposium at Harvard Business School is a flagship student-led conference, organized by the Energy & Environment, Food & Agriculture, and Sustainability Clubs. Each year, we bring together global thought leaders, industry experts, and innovative minds to tackle the pressing challenges of climate change.... Read more about HBS Climate Symposium 2024

Categories: Green Homes

Using Prescriptive Paths ?

Green Homes 2 - Sat, 2024-11-02 04:58
Categories: Green Homes

Meeting Energy Code Requirements

Green Homes 2 - Sat, 2024-11-02 04:48
Categories: Green Homes

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