Green Homes News

1970's upstate Saratoga Region, zone 5A, Exterior Wall Project with a poly interior vapor barrier.  Removing siding, Gold Bond nail base sheathing, and fiberglass batt.  Replacing with R15 wool batt,…

Even without combustion appliances, carbon monoxide can still enter your home. Here are five overlooked sources—and how to avoid them.

Any opinions on which is better? Been seeing more RTU heat pumps being used for warehouse and events spaces with high ceilings where the unit could be installed directly above the space.…

was looking to replace my freezer condensers on the roof. It’s always under the sun and never operates as efficiently as the winter time while in the summer. NYC area.…

Hello, Im building in southeast Alaska (zone 7)  and Im interested in finding the best quality exterior vents for bathroom fans/dryers and range hoods.  it seems most have a very cheesy…

Does it make sense to insulate a walkout foundation wall more than a below grade or transition grade wall in a basement?  I am planning to put up to 4" of…

What are the wall assembly water and moisture damage risks due to WRB being wrapped onto the rough opening sill of our window openings and DuPont FlexWrap wrap being applied…

Stable averages can hide rising pressure. A closer look at fuel costs, tariffs, commodity disruptions, and slowing housing starts reveals why today’s calm pricing environment may not last.

Renovating a 1920's farm house.  Gutting interior and all new MEP.  Would like to use mini-splits with a pellet stove back-up.  Climate zone 5A. Insurance agent said in follow up…

Texas leads the country in homebuilding; it also has one the nation’s biggest housing shortages – how do these datasets coexist?

What is the proper way to marry the 4" XPS foam to the 2 layers of 1.5" XPS foam that I will be installing on the OSB sheathing? Do I…

What levels of humidity (or dewpoint, VPD, etc) are risky in an unvented or poorly vented attic in zone 4A, and how would we know if there are problems (rot,…

Looking to install locking rubber gym tiles on a basement concrete flooring.  Would it be smart to install some type of vapor barrier and any type of underlayment under the…

I am currently reviewing the material specifications for an industrial furnace lining project. We are analyzing the trade-offs between load-softening temperature and chemical corrosion resistance for various refractory brick compositions.Based…

A remodeler wants to pour a new insulated radiant slab over an existing concrete floor and frame new interior walls above it. The question isn't whether the foam will crush—it's whether the entire assembly makes sense

Hello AllThis is one outside corner, where the two Zip panels did not meet properly, but was then taped by the framing crew. I can press on the tape and…

Hello AllMy rim joist and band joists are not at the edge of the sill plate ( to help with exterior insulation).  The foam sill sealer has Lexel above and…

Good day.  I am considering on using sip panels on a new build using both the floor panels and walls. Can foil vapour barrier be used over the inside walls…

Hi everyone,For context, I'm building a one story 1000sf house in Quebec, Canada (slab on grade with frost protected foundation walls).I'm planning to use BC fir planks for all interior…

All five of our exterior doors are leaking into the home at the corners at the bottom of the threshold with rain. They all leak in the same place even…