Green Homes News

Resiliency and Affordability, Can We Have Both?

Green Homes 2 - 10 hours 48 min ago
The first of a limited series of blogs focusing on resiliency and affordability in residential construction
Categories: Green Homes

What can be done about these attic ducts?

Green Homes 2 - Tue, 2025-07-29 15:51
The ducts in the attached pictures are partially buried in R22 cellulose insulation.  The duct R-value is unknown but surely doesn't reach R8.  I was hoping to, say, drape plastic-covered…
Categories: Green Homes

What’s the R value and heat needed to heat a detached garage that is somewhat insulated

Green Homes 2 - Tue, 2025-07-29 12:23
Hope everyone is well wanted to ask a very specific energy calculation. If I insulated a 20x25 detached garage with r-13 batts in the wall, 1/2 polyiso on exterior walls,…
Categories: Green Homes

Water Heater

Green Homes 2 - Tue, 2025-07-29 11:33
We are trying to decide between a power vent / power direct vent for a water heater. Is power direct vent preferred in a very tight house ?
Categories: Green Homes

Bridge-Free Deck Ledger

Green Homes 2 - Tue, 2025-07-29 04:27
I'm currently undertaking the deep energy retrofit of a 1970's home in central Vermont (Climate Zone 6a.) In short, we're peeling the whole house back to the sheathing layer (CDX…
Categories: Green Homes

Fine Homebuilding Summit-2025

Green Homes 2 - Tue, 2025-07-29 02:00
After a six-year hiatus, the Fine Homebuilding Summit returns for 2025
Categories: Green Homes

Reposting question about continuous exterior insulation

Green Homes 2 - Mon, 2025-07-28 11:45
I'm reposting an updated question since my initial question got a bit buried while I was unable to reply due to the site issues.Our home, in Zone 6A, update has…
Categories: Green Homes

Sealing HVAC into boundary- Is it possible to do without spray foam?

Green Homes 2 - Mon, 2025-07-28 11:43
I have a cape style house, with HVAC in the upper attic. I want to enclose the space a "bring the HVAC inside". The way I see it, I have…
Categories: Green Homes

The Necessary Components for Rainwater Collection and Filtration

Green Homes 2 - Mon, 2025-07-28 02:00
You can collect rainwater and (sometimes) even drink it
Categories: Green Homes

Best cool roof materials for Torrance’s coastal climate?

Green Homes 2 - Mon, 2025-07-28 01:21
Hi, In Torrance, CA, where 284 sunny days push roof temps to 160°F, spiking AC costs. For roofing services tackling coastal heat and salt, I’m eyeing high-SRI TPO or metal…
Categories: Green Homes

Solar on Thick Foam Roof- Exterior Mounting Beam?

Green Homes 2 - Sun, 2025-07-27 10:54
I am exploring solar options, though my roof is not the typical that solar installers are interested in:- Roof structure, bottom up: Single slope shed roof, very low 0.72:12 pitch,…
Categories: Green Homes

How to have flush cladding over an above grade tall foundation wall, and wood frame wall with thick exterior insulation.

Green Homes 2 - Sat, 2025-07-26 17:57
Hello AllAttached are the prelim front and right elevations of our future new construction home. There is a slope from left to right, with the right side around 9 feet…
Categories: Green Homes

Insulating rim joist – is canned Great Stuff acceptable?

Green Homes 2 - Sat, 2025-07-26 08:42
In Climate zone 4A, as part of a renovation I had my GC remove fiberglass insulation between an unconditioned basement and first floor addition above it. Probably about a 25x10…
Categories: Green Homes

Best cement for building purpose?

Green Homes 2 - Sat, 2025-07-26 06:22
Which is the cement for building my house?
Categories: Green Homes

I just wanna do my roof right, half will be cathedral(no attic)

Green Homes 2 - Fri, 2025-07-25 23:31
I'm in the end stages of researching how to do the roof on my double hipped, 60's, limestone home, with a chimney and a 3.81/12 pitch. Half of the house…
Categories: Green Homes

Been finding fiberglass insulation in our house for months… trying to find the best way to air seal our interior

Green Homes 2 - Fri, 2025-07-25 16:02
Hey all, we've been dealing with this for a few months and are slowly starting to lose our minds over it.  We bought an older home that had fallen into…
Categories: Green Homes

How to properly insulate and side exterior wall with polyiso

Green Homes 2 - Fri, 2025-07-25 16:01
Hey just some quick advice. My detached garage is on concrete block. I have 1/2 inch foil faced polyiso. Do I need housewrap with foil face? Does polyiso go to…
Categories: Green Homes

Polyiso TJI Ventilation Baffles and Permeability

Green Homes 2 - Fri, 2025-07-25 14:59
We're doing a 12" TJI roof, on a 2:12 slope. I'm going to use rigid foam to establish the ventilation channel using the TJI flanges, as in the attached drawing…
Categories: Green Homes

Continuous insulation walls and roof on a garage – to Zip R or not too Zip R

Green Homes 2 - Fri, 2025-07-25 14:03
I'm building a 32 x 48 feet garage/workshop, have used ICF for the 6 foot stem walls, 16 inches of this is above ground. I'm just 1 hour North from…
Categories: Green Homes

Black Ooze Tar Substance from Tongue Groove Joint

Green Homes 2 - Fri, 2025-07-25 13:34
My polyurethaned pine tongue and groove ceiling has a visible black line at an end joint, and I found a spot splat on the floor below. Online looks to be…
Categories: Green Homes

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