Green Homes News

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…

Our main flooring is a high troweled concrete floor which has concrete relief joints. Is it best to fill these or leave them open? If left open, there is one…

Instead of rigid foam or rockwool for exterior insulation, I will be using rockwool batts fitted between horizontal strapping on my sheathing. As such, my WRB will be on top…

GBA chats with architect, educator, and author Emily Mottram about what drives better building outcomes—from early client conversations to budget decisions and performance priorities

Hello.  Im building a new house in southeast Alaska, Zone 7. we get a lot of rain and winters can very widely from months of 0-20 degree weather to hardy…

Returning member here finally posting first question sorry if I picked the incorrect Category.We are replacing original roof on 1991 single story home in SE PA Zone 4a and doing…

Variable-capacity heat pumps aren’t immune to oversizing. When the minimum output is still too high, they stop behaving like variable systems

Alright, from the last question about vapor barriers in a steel building floor assembly (Is a vapor retarder/barrier good or bad between floors? - GreenBuildingAdvisor)I decided to insulate the 2x10…

I'm installing a small (18k), central ducted inverter heat pump, with the air handler in a very small attic of an otherwise cathedral ceiling house. It's an unvented cathedral roof…

Hello everyone,My name is Joe and I’m in the process of finishing my basement. I live between Baltimore and Annapolis Maryland which I believe is climate zone 4A. My foundation…