Green Homes News

Is it a bad idea to insulate a 3 sunroom for future proofing purposes?

Green Homes 2 - Mon, 2025-04-07 04:32
We're building a 3-season sunroom and don’t plan to heat it in the near future.It’s been suggested that we insulate the interior now - while the walls are open- to…
Categories: Green Homes

Is Open-Joint Vertical Siding a Good Decision?

Green Homes 2 - Mon, 2025-04-07 02:00
It may be a popular look, but do gaps in siding really make sense?
Categories: Green Homes

Is Durospan GPS R-10 a Good Choice for Under-Slab Insulation?

Green Homes 2 - Sun, 2025-04-06 23:20
I'm currently building a new home on Prince Edward Island (PEI), located on the east coast of Canada. We're considering using Durospan GPS R-10 insulation beneath the basement slab and…
Categories: Green Homes

Rockwool for Below-Grade Basement Walls – Will It Work Without a Drainage Mat?

Green Homes 2 - Sun, 2025-04-06 23:07
We’re preparing to pour our walkout basement walls and will apply a liquid waterproofing membrane (like Tremco Watchdog or Rub-R-Wall). Based on Rockwool’s technical details and a sales rep’s advice,…
Categories: Green Homes

HVAC replacement in ICF home–Hydronic A/C and radiant floor heat

Green Homes 2 - Sun, 2025-04-06 19:41
Hello! We have an ICF home in USA zone 6a, which is from -10°F to -5°F, or -20.6°C to -23.3°C in the winter. Our normal winters tend to be more…
Categories: Green Homes

Backer rod & spray foam – windows

Green Homes 2 - Sun, 2025-04-06 16:14
I'm struggling to get a decent seal with spray foam around our windows without completely filling the rough opening. We want to leave a small path for water to exit…
Categories: Green Homes

Flooring system

Green Homes 2 - Sun, 2025-04-06 13:54
I will be building a 22x18 log cabin tiny home on some very Rocky soil in North Georgia. My plan was to use a pier system w/Bigfoot style concrete forms…
Categories: Green Homes

New construction radon mitigation with no attic

Green Homes 2 - Sun, 2025-04-06 13:25
We are initially building a very small (16x24) studio cabin with a single slant shed roof. The plans for the ceiling/roof consist of a layered superstructure somewhat along the lines…
Categories: Green Homes

Insulated Roof Design Options – Thermal Bridging & EPS Foam Creep

Green Homes 2 - Sun, 2025-04-06 12:21
Working further through my insulated roof design after getting some help in an earlier thread. I'm now debating two possible designs as I try to come to terms with the…
Categories: Green Homes

Vapor retarder help!

Green Homes 2 - Sun, 2025-04-06 11:29
I built a new house last year in mn (climate zone 6) using nexcem icf walls.  I Monopoly framed the roof, using zip sheething, and taping the seems to the…
Categories: Green Homes

1″ EPS foam board under hybrid water heater to dampen vibration?

Green Homes 2 - Sun, 2025-04-06 11:20
Rheem recommends placing something underneath their ProTerra hybrid water heater to prevent it from transmitting vibration into a raised, non-concrete floor inside a house.  They make a vibration isolation kit…
Categories: Green Homes

Reverse Board and Batten

Green Homes 2 - Sun, 2025-04-06 09:00
Through feedback on this site, I have decided to switch to vertical siding.  6A, coastal maine, single pitched roof with zip sheathing,  no exterior insulation, and a 2 foot overhang.I…
Categories: Green Homes

AC Sizing for 600 sq ft Room – Does 1.5 Tons Account for High Ceilings & Occupancy?

Green Homes 2 - Sat, 2025-04-05 22:33
I'm planning a mini-split installation for a 600 sq ft (20'x30') home office with these specifics:9 ft ceilings (5400 cubic ft total volume)3 regular occupants + equipment (~800W heat load)Middle floor of a…
Categories: Green Homes

Oil on framing

Green Homes 2 - Sat, 2025-04-05 16:02
We had a few giant colonies of ants take over our gutted home these past few days. We used a spray on them, and while it killed the ants on…
Categories: Green Homes

pouring a frost-protected monolithic slab on rock with voids

Green Homes 2 - Sat, 2025-04-05 13:56
Hi all,We are excavating for a 16x26 frost-protected monolithic slab on grade.  The site was a former slightly downhill sloping area that was built up with rock and concrete excavated…
Categories: Green Homes

Tips for foaming hard to reach space

Green Homes 2 - Fri, 2025-04-04 17:02
I'm trying to seal a hard to reach area. I tried a 25 inch extended spray gun, but the large foam can gets in the way.Any tips on reaching far…
Categories: Green Homes

Can I put siding over painted brick?

Green Homes 2 - Fri, 2025-04-04 14:55
Hello all, Long time lurker first time poster haha. I have a best practice question. Context: Feel free to skip this if you just want the question below. One of my friends lives in an…
Categories: Green Homes

Basement wall

Green Homes 2 - Fri, 2025-04-04 09:01
Hello,I am closing off a window in the basement and want to water proof the outside. Can I use Ice and Water dam material designed for roofs on the exterior…
Categories: Green Homes

Cambridge Talks: Acts of Scaling

Green Homes - Fri, 2025-04-04 07:00
Location: Graduate School of Design, Harvard University, Cambridge

In 1977, nine years after its initial release, Ray and Charles Eames issued an amended version of their experimental film Powers of Ten, incorporating two additional scales, and thereby effecting “a hundredfold increase—to each end of the journey into the universe, and to the return trip to the microstructure of the carbon atom in the human body.” Drawing on up-to-the-moment scientific developments at scales both extra-large and extra-small, seizing upon the power of then-novel media and representational techniques to appeal to very different audiences, and venturing well beyond the...

Read more about Cambridge Talks: Acts of Scaling
Categories: Green Homes

Crawl space with heated floor. How should I replace it ?

Green Homes 2 - Fri, 2025-04-04 05:05
I have no experience in construction. Can anyone tell me ?
Categories: Green Homes

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