Tag: insulation
-
Spray Foam Insulated Homes Need Ventilation
Subtitle: Contractors who don’t ensure adequate ventilation put themselves — and their customers — at risk Images: Most installations of spray foam insulation, when properly installed, act as an air barrierBuilding assembly components that work as a system to restrict air flow through the building envelope. Air barriers may or may not act as a…
-
The Diminishing Returns of Adding Insulation
Subtitle: A look at the numbers behind this oft-heard expression Images: …
-
California Study Shows Big Savings in Home Energy Retrofits
Subtitle: In Stockton, California, researchers achieved 35% to 74% savings in four homes Images: …
-
Does Open-Cell Spray Foam Really Rot Roofs?
Subtitle: Researchers from Oak Ridge National Lab have said open-cell spray foam is risky — but what did they miss? Images: Murmurs and hearsay about open-cell spray foam insulation have been gaining traction for a while. It rots roofs, people have told me. Not long ago, someone even told me that in Florida, roofing companies…