Green Homes News

Cathedral ceilings with hipped roof; un-vented retrofit options

Green Homes 2 - Tue, 2024-06-25 16:58
I'm permitting myself a small amount of computer time to put some thoughts on paper as I recover at home from retina surgery.Climate Zone 3a, above the Warm/Humid line (Charlotte). …
Categories: Green Homes

Mudroom Retrofit Questions

Green Homes 2 - Tue, 2024-06-25 16:22
Hi GBA,Retrofitting a mudroom to make it more usable and would love some feedback on the assembly and the overall plan; see attached PDF.Climate Zone 6, just outside Bozeman, MT.Existing:*…
Categories: Green Homes

Underground roof with new basement insulation – will it work?

Green Homes 2 - Tue, 2024-06-25 15:28
The north foundation wall of my 95 year-old brick house in zone 5 is masonry block. With a hard enough rain, the north wall allows dampness and occasionally water into…
Categories: Green Homes

Best way to close gap between f/g insulation batts and flooring?

Green Homes 2 - Tue, 2024-06-25 15:05
My sister's house has a 1996 addition done in 2x6 framing with 8" I-joist for the flooring. Giving the builder the benefit of the doubt (cough), I suppose they didn't…
Categories: Green Homes

Venting an under roof heat shield

Green Homes 2 - Tue, 2024-06-25 11:20
I have a shed roof that's radiating a lot of heat into the interior when it's hot and sunny.I'd like to install a radiant barrier of sorts.The easiest option would…
Categories: Green Homes

Right Siding for Your Home

Green Homes 2 - Tue, 2024-06-25 04:03
I’ve taken a lot of advice from this forum and remodeled multiple historic homes on the brink of getting dozed.
Categories: Green Homes

Can Hydrogen Help Combat the Climate Crisis?

Green Homes 2 - Tue, 2024-06-25 02:00
Hydrogen hubs across the country seek to fuel high-emission industries with cleaner energy
Categories: Green Homes

Energy issues with stone veneer walls?

Green Homes 2 - Mon, 2024-06-24 18:37
I have to drill through a west-facing stone veneer wall for a mini-split install, which made me consider that maybe I should just go ahead and remove that whole section…
Categories: Green Homes

monitoring AC performance on the hottest days of the year

Green Homes 2 - Mon, 2024-06-24 17:55
Is anyone else watching the thermometer and seeing how their HVAC is handling it with an eye towards design temps? I'm realizing much of this week is at and slightly…
Categories: Green Homes

Optimum insulation depth

Green Homes 2 - Mon, 2024-06-24 16:19
I have seen UK documents online describing declining marginal thermal value as insulation depth is increased beyond an optimum. Please explain or suggest North American references.I am located in Canada…
Categories: Green Homes

Window Rough Opening Size with Beveled Siding

Green Homes 2 - Mon, 2024-06-24 14:08
This is a basic question but I’m not really finding a straight answer anywhere . I am going to be framing out windows and using beveled pine siding to create…
Categories: Green Homes

budget friendly sealed crawlspace dehumidifier?

Green Homes 2 - Mon, 2024-06-24 13:05
I am looking for suggestions on budget friendly dehumidifiers for a crawl space.  I am on the final stages of finishing our new house and just had the crawl space…
Categories: Green Homes

Adding Roof Deck Insulation to Cape Cod with Closed Cell Spray Foam

Green Homes 2 - Mon, 2024-06-24 11:30
Background: I own a 1940's Cape Code outside of Buffalo, NY (Climate Zone 5a) and I am in the process of electrifying my house. A heat pump was installed last…
Categories: Green Homes

Wall to vented cathedral ceiling detail

Green Homes 2 - Mon, 2024-06-24 10:15
I’m going to be building a garage with an apartment above in Zone 5a.im going to be doing 2x4 wall with Zip R6 and Rockwool in the stud bays. The…
Categories: Green Homes

Connecting Interior walls and trusses?

Green Homes 2 - Mon, 2024-06-24 05:04
Our build has 36' trusses that only bear on the front and back walls, I am assuming that interior walls should not tie into them because the trusses move a…
Categories: Green Homes

What to do With an Unused Chimney

Green Homes 2 - Mon, 2024-06-24 02:00
Remove it entirely, take it down to the attic floor, or cap it—what is the best option?
Categories: Green Homes

water heater setup question

Green Homes 2 - Sun, 2024-06-23 16:53
What's an optimal water heater setup, if you have normal demands some days and occasional high demand (many houseguests showering at once, or large spa tub being filled). I'll have…
Categories: Green Homes

Vapor Diffusion Through Open Cell Foam on Cathedral Ceiling

Green Homes 2 - Sun, 2024-06-23 14:31
I'm having a tremendous amount of trouble understanding how vapor permeability and air impermeability interact in terms of moisture issues caused by open cell spray foam in a cathedral ceiling,…
Categories: Green Homes

Location of smart vapor barrier in double stud wall

Green Homes 2 - Sat, 2024-06-22 19:42
Considering a double 2x4 wall with dense cellulose. Zone 5. To defend against moisture from cold sheathing in winter months, plywood (rather than the less permeable osb) would be used…
Categories: Green Homes

Crawlspace foundation detail for ZIP R6

Green Homes 2 - Sat, 2024-06-22 17:25
Good afternoon, I've searched the forum however I was unable to find the answer.  I'm in the early stages of planning for a single story home build and the new…
Categories: Green Homes

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