Green Homes News

Hi all Climate zone 6aCurious if I should fill the cores in these cinder blocks before installing foam board or just install foam board directly over and if so what's…

What is the best way to separate the conditioned space in the house from the vented conditioned attic. This attic will have  R60 blown in Cellulose insulation.Is 6mil poly under…

We had an acrylic shower removed in a house we recently bought due to a suspected leak. The shower was in a ground floor bathroom on a slab foundation. Sure…

Hey Green Building HiveMind! I have a 1950s fairly well insulated 1750 st ft home in Tacoma, WA (zone 4c) for 2-3 people that has a nearly 20 year old…

Preparing a home for future electrification raises a difficult question: How do you size a circuit for equipment that doesn’t exist yet?

I just finished framing my monoply-style house and am looking for guidance on the roofing.On the roof, there is a base layer of 5/8 zip (which I already installed). Then, I…

Hi everyone, I am trying to insulate a rectangular log cabin in the French alps at 1200 meters altitude next to a snow canon! I am having trouble working out…

Adding circuit-level monitoring to a heat-pump subpanel required a separate enclosure, an additional breaker, and a lot more work than expected

Hi all, I’m about to begin framing interior partition walls and have begun researching pocket door frame/hardware kits.  Our plan includes several (four!) single-slab pocket doors due to space constraints.I…

Hello, I live in Grad Rapids Michigan. I have walkthrough rafters and I’m getting mixed opinions on whether I can install drywall over OSB in the unfinished garage attic with…

Earthcore's new VMASS system measures indoor and outdoor pressure and varies makeup airflow as exhaust loads change

First, this closed 2017 question is nearly identical to mine, but I have some follow-ups: https://www.greenbuildingadvisor.com/question/adding-exterior-insulation-over-stuccoVirtually the same existing wall assembly on my 1993 Utah spec home:[existing] gypsum wall board[existing]…

We are building a 10x20 addition in Anchorage, Ak with matching roof pitches.The existing roof is 2x10 construction with drywall, 6 mil VB thenR-30 insulation an2-3 inches of closed cellsprayfoam…

In my area, I can get polyiso that was intended for roofing at about half the price of "wall" polyiso.  Elevate Isoguard GL or Carlisle InsulBase are a couple specific…

Increased development of enhanced geothermal systems could propel this renewable power source to new heights

Hi everyone,I recently purchased a new-construction home in the South, built by D.R. Horton. We had to replace a damaged siding plank today, which gave me a chance to look…

I am installing a 5x8' bathroom in my basement. I have a 4" slab atop crushed stone. No vapor barrier. The bathroom will not be touching an exterior foundation wall.…

An insulated slab may solve the thermal problem, but what if you want the feel and flexibility of a framed wood floor?

Keep it simple, and you’ll be fine. It’s really that simple.Well, sometimes a guy’s gotta have his dormers, you know?I’ve pondered for quite some time over adding shed dormers to…

Hello, I recently started renting a house that has huge north-facing windows. Looking at online shade maps, it will not get any direct sunlight in the coldest months. As I…