I didn't even know spray foam was used for roofing. It seems like a great idea thought since a lot of the heat in a building is lost through the roof. I just wonder if it's more expensive to get that done because it seems like it could save you money in the long run.
http://www.mccsprayfoam.com/aboutSpray Foam Roofs San Francisco Bay Area · More Info
Wedge Roofing
Applied Roofing Services
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