Green Homes News

Efficient Hot Water is Easier Than You Think

Green Homes 2 - 3 hours 21 min ago
Reduce energy waste and waiting time by implementing these hot water system strategies
Categories: Green Homes

Why Is Demand for Non-Halogenated Flame Retardants Rising?

Green Homes 2 - 3 hours 29 min ago
I’ve been noticing more discussions around non-halogenated flame retardants across different industries. What’s driving this shift in modern manufacturing?Is it mainly due to environmental regulations and health concerns, or are…
Categories: Green Homes

Does humidity seep through walls?

Green Homes 2 - Tue, 2026-05-26 20:51
I've been thinking about humidity a lot lately (see https://www.greenbuildingadvisor.com/question/an-analytic-look-at-dehumidifiers and  https://www.greenbuildingadvisor.com/question/why-sizing-dehumidifiers-is-hard ) In the second of those postings I tried to estimate the dehumidification load for a house. I only…
Categories: Green Homes

Partial insulation of roof

Green Homes 2 - Tue, 2026-05-26 18:15
Hi,I recently purchased a brick 1938 home with an addition on the back (west facing, with both north and south exposures). The addition has a relatively flat membrane roof which…
Categories: Green Homes

Waterproofing perimeter of laminate flooring

Green Homes 2 - Tue, 2026-05-26 16:35
The instructions for my "waterproof" laminate flooring call for installing 3/8" foam backer rod, covered by silicone caulk, around the entire perimeter and also applying silicone caulk to the underside…
Categories: Green Homes

Can we build insulated floating plywood over NEW concrete slab?

Green Homes 2 - Tue, 2026-05-26 14:57
Stable clay soil. No radon gas. How about this floor assembly: 4” stone4” concrete  12” dimple/drainage/vapor  membrane2” - 3” XPS (for R10-15) psi15  5/8” T&G plyOrput a 10-20 mil vapor barrier between stone and concrete…
Categories: Green Homes

Dual Mini-Split Upgrade Left My Electrical Assembly Looking Rough — How Would You Improve This?

Green Homes 2 - Tue, 2026-05-26 13:17
Most people would say to leave this as-is, but it's something that has always looked off to me, and I'm hoping someone here with more experience in the area —…
Categories: Green Homes

insulation under a sheet metal roof

Green Homes 2 - Tue, 2026-05-26 12:56
I'm replacing my shingle roof with a sheet metal roof. I have vaulted ceilings and the inside looks nice so i don't want to change anything inside. i have almost…
Categories: Green Homes

Walkout basement in Minneapolis — what insulation/moisture details actually hold up long term?

Green Homes 2 - Tue, 2026-05-26 09:57
I’m getting ready to finish a walkout basement in Minneapolis and want to avoid the usual basement problems down the road condensation, musty smells, hidden mold, cold floors, etc.For those…
Categories: Green Homes

Walkout basement in Minneapolis — best insulation + moisture control approach?

Green Homes 2 - Tue, 2026-05-26 04:44
I’m finishing a walkout basement in Minneapolis (Zone 6) and want to do it right the first time. Looking for advice on the best insulation and moisture-control strategy for long-term…
Categories: Green Homes

Ducted mini-split set up fan issues

Green Homes 2 - Tue, 2026-05-26 04:00
We've (mostly) finished remodeling a house in humid 3A, and installed two Mitsubishi ducted mini-splits. One of those, a 9,000 BTU unit, serves two bedrooms and baths with a compact…
Categories: Green Homes

Canadian Manufacturer of Innovative Cement Alternative to Open First Commercial Plant

Green Homes 2 - Tue, 2026-05-26 02:00
Carbon Upcycling Technologies uses carbon waste to activate electric arc slag and produce one-of-a-kind low-carbon cementitious material
Categories: Green Homes

HVAC for a warehouse/event space

Green Homes 2 - Mon, 2026-05-25 19:46
building a multistory warehouse/event space. Currently it will be on the 3rd floor approximately starting at 60 feet from grade. And it will have clear 21 feet ceiling heights and…
Categories: Green Homes

Finding the Right CDL Workforce in Southern California

Green Homes 2 - Mon, 2026-05-25 11:53
As transportation demands continue to shift in Southern California how can companies determine whether temporary or permanent CDL drivers are the better choice for maintaining efficiency controlling labour costs and…
Categories: Green Homes

The Perfect Backyard

Green Homes 2 - Mon, 2026-05-25 08:42
Sometimes I wonder what a truly perfect backyard would look like if budget wasn’t a problem.Not something made just for showing off, but a space built completely for comfort, peace,…
Categories: Green Homes

Senville heat pump water heater

Green Homes 2 - Mon, 2026-05-25 08:34
This is a long shot, but have any Canadians out there tried Senville's new offering of a heat pump water heater? The 50gal version is 27% cheaper than the Rheem…
Categories: Green Homes

How to fill where concrete has chipped away at exterior walls?

Green Homes 2 - Mon, 2026-05-25 07:51
10 mil poly was placed under our concrete slab and where it wraps up the wall to go under the sill sits and out, the perimeter concrete has chipped away.…
Categories: Green Homes

How to re-seal where under slab vapor barrier was sliced for in floor pipes?

Green Homes 2 - Mon, 2026-05-25 07:40
We have a finished concrete floor as our final floor and to put in the radiant heat pipes and plumbing for the kitchen through the flooring, they had to cut…
Categories: Green Homes

Air barrier at ceiling=attic plane

Green Homes 2 - Mon, 2026-05-25 06:22
Our new build high efficiency house in the Pacific northwest will have a vented attic. Is there any meaningful advantage to using SIGA  Majrex or similar  membrane instead of 6…
Categories: Green Homes

Q&A Spotlight – Attic Details for a Hot and Humid Climate

Green Homes 2 - Mon, 2026-05-25 02:00
If a conditioned attic is the right path, how should it be detailed for maximum efficiency?
Categories: Green Homes

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