Green Homes News

Zone 6 and for a year we’ve been researching options for wall assemblies for a future home. Admittedly, still feeling just as confused. What I have learned is that there’s…

Does anybody have personal experience with hybrid solar electric/hydro panels? Can you share your impressions? In what situations would you use or avoid using them?

Thank you everyone.  Question; in climate zone 5 with cold, rainy/snowy winters and hot, dry summers, what type of sheet-insulation subfloor insulation (Polyiso, XPS, or EPS) has the least chance…

A new report is ​“cautiously optimistic” about global efforts to decarbonize iron and steel production

I have searched a lot of places for answers but cannot find anything regarding this.  Typically EIFS is applied to ICF directly over the top of the foam.  My question…

Trying to exhaust a second story cathedral ceiling bathroom and the 2 options are: 1. Wall mount  at the highest point and straight up and out the roof. This creates a…

Industry leaders share critical information for anyone interested in deepening their building science knowledge

Termites are one pest that strikes fear into the hearts of many homeowners, and with over 90 percent of new homes in the Unites States being built using timber, the…

From choosing products to their compatibility with other control layers to assemblies that work, take a deep dive into CEI

Question: should we have any insulation added when we replace our roof?We have an vented attic and a hip style roof with gabble vents. Contractor proposes Roof Ridge Exhaust Vent.…

I have a wall of windows in the back of the house that is very exposed to wind driven rain off the ocean here in Washington state. My second window…

Is anyone familiar with "Denny Board"? As far as I can tell the company that manufactured it is now defunct and I can't find any information on it. Closest match…

I'm trying to decide what style of Picture Frame to use on an upcoming external insulation project. This will have vertical furring to hold the 2 layers of GPS foam…

Hello, What do you think about using exterior Rockwool but then using plywood sheathing instead of strapping? This would create a Rockwool nail base. Innie and outtie windows seem like a…

I have a 24' x 35' attic that has roof going all the way to floor but with steep pitch. I have t&g ply for the floors, but I am…

I bought and am remodeling a house built in the 1920's with dirt floor vented crawlspace and an addition that was built in the 60's had to tear out and…

Hi all,We're in Zone 5, Northern California mountains, with very dry summers and variable-humidity winters (rain/snow raises humidity).We have a dirt crawlspace which we plan to put a vapor barrier…

I'm doing a ventilated deep rafter cathedral.The main path for any drying would be in the ventilated cavity.So is there a risk to coving the entire roof in ice shield?Or…

I am building a new house here in NW kansas (Zone 5a). My builder wants to do flash and batt Hybrid insulation on the 2x6 exterior walls. (Huntsman HFO PRO…

Meet high-performance energy efficiency goals by following the PGH approach to designing and building