Green Homes News

Alternatives to form stakes through radon barrier

Green Homes 2 - Fri, 2024-05-31 13:39
Hey all,I have the rafon barrier in with insulation and pex on top.  Yhe concrete sub was just about to drive some one inch stakes, for form support, through the…
Categories: Green Homes

Advice for Heat Pump Equipment Selection

Green Homes 2 - Fri, 2024-05-31 12:19
Hello everyone...really appreciative of the community here. First time poster...long time lurker!   I humbly am asking to have some eyes (and input) on my selection process for Mitsu heat pump…
Categories: Green Homes

Low-Carbon Pozzolanic Cement

Green Homes 2 - Fri, 2024-05-31 08:00
Eco Materials Technologies produces a substitute for Portland cement that is being used to rebuild swaths of America’s dated infrastructure
Categories: Green Homes


Green Homes 2 - Fri, 2024-05-31 07:21
What is the best green material for new decks?
Categories: Green Homes

Zip Tape got wet in rain — can I still use

Green Homes 2 - Thu, 2024-05-30 17:31
Sheathing crew--surprise surprise!--failed to roll the ZIP tape immediately after installing and we got a big rain shower today that caused water to get behind the tape and bubble, plus…
Categories: Green Homes

Closed Cell Foam on Rublestone Basement – Zone 5A

Green Homes 2 - Thu, 2024-05-30 13:09
Hello,Here is the scenario:  Zone 5A with a basement 7' high, there is NO bulk water issues as the exterior grading diverts the water properly. The basement does NOT have…
Categories: Green Homes

Loads and Deflection on XPS Insulated Interior Footings

Green Homes 2 - Thu, 2024-05-30 12:15
We're building a single-story, slab on grade house out in rural Washington State. Very heavy snow loads at 134 psf. Shed roof uses large exposed Glulam Beams often on bearing…
Categories: Green Homes

Cold roof detail Zone 5A

Green Homes 2 - Thu, 2024-05-30 06:44
Hello,I have designed the attached cold roof detail.  Now that the project is about to start, I have been thinking on modifying the insulation setup.  I want to use a…
Categories: Green Homes

Starting on the Path to Better Water Quality

Green Homes 2 - Thu, 2024-05-30 02:00
To ensure clean, safe water from your faucets, it must be tested and monitored regularly—just like many other components that go into a healthy home
Categories: Green Homes

Unconditioned attic: Attic access hatch in conditioned or unconditioned space?

Green Homes 2 - Wed, 2024-05-29 21:19
Attic will be unconditioned and vented, Zone 5 (Iowa).  Builder proposes attic hatch in garage (which will be unconditioned).  But I wondered if it should be inside the conditioned space.I've…
Categories: Green Homes

Frost Protected Shallow Wood Foundations (Wood FPSF or Helical Pier grade beam)

Green Homes 2 - Wed, 2024-05-29 13:22
A 18x24 addition project at which I am tasked at minimum site disturbance in order to protect existing landscape and plants, I've begun to seriously consider two options:1. Frost protected…
Categories: Green Homes

shoulder season humidity passive house

Green Homes 2 - Wed, 2024-05-29 11:34
Hey - I know this has been asked and answered before, just want to run what I'm doing to see if it makes sense.I have a passive house retrofit in…
Categories: Green Homes

Insulating a 1940’s Cape Cod in Climate Zone 7

Green Homes 2 - Wed, 2024-05-29 11:20
I'm remodeling a 950 square foot 1940's cape cod house with an unfinished basement that we plan to insulate in the future. The house is in Southeast Alaska, Climate Zone…
Categories: Green Homes

Climate and Health Research Network

Green Homes - Wed, 2024-05-29 11:00
Location: Virtual

Our community of scholars works to coordinate, support, and amplify climate and health research.... Read more about Climate and Health Research Network

Categories: Green Homes

EVR sizing for a small portion of a normal size house?

Green Homes 2 - Wed, 2024-05-29 10:42
  TLDR: I want to put an EVR on my second floor only but I can't find once small enough.I am located in the northern climate zone, in Massachusetts. My house…
Categories: Green Homes

Ants in crevice at door threshold corners, exposed plywood

Green Homes 2 - Wed, 2024-05-29 08:57
I noticed something interesting on site yesterday. There is an ant party going on at the bottom corners of the exterior doors where many materials intersect. I think this indicates…
Categories: Green Homes

Insulation under Radiant Heating?

Green Homes 2 - Wed, 2024-05-29 08:19
Section drawings for radiant heat (or hydronic tubing if you prefer) located in or under a subfloor usually show batt insulation under the tubing, with what appears to a ~3"…
Categories: Green Homes

Seeking Expert Advice on Moisture Management for Historic Home with New Insulation

Green Homes 2 - Wed, 2024-05-29 07:27
Hello GBA community,I'm seeking advice on managing moisture in a historic duplex built approximately 125 to 175 years ago. I recently participated in the Connecticut Home Energy Solutions℠ program, which…
Categories: Green Homes

Financing Solar Power, Part 1

Green Homes 2 - Wed, 2024-05-29 02:00
Navigating the cost-benefits of renewable solar energy is challenging in a seemingly chaotic market but breaking down the funding avenues is a good first step
Categories: Green Homes

TCNA Requirements for stone tile

Green Homes 2 - Tue, 2024-05-28 20:04
Hello all,I am installing a marble mosaic tile in a half bathroom and I just have a quick question. The current subfloor is Advantech 23/32 T&G installed over 16" o.c. joists.…
Categories: Green Homes


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