Tag: spray foam
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The Misleading Numbers Behind the Global Warming Impact of Insulation
Prime: prime Subtitle: An article purporting to quantify this effect has misinformed many in the green building community …
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California’s Mistake Puts Spray Foam Insulation on the Bad List
Prime: prime Subtitle: A state agency’s lack of knowledge garners spray polyurethane foam one of the first three spots on the “Priority Products” list Images: Last summer I learned about the state of California’s efforts to create more healthful buildings and working conditions. In 2008, they passed the California Green Chemistry Initiative with the intent…
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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…
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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…