In the nonresidential sector, spray polyurethane foam (SPF) has been used most often for re-roofing existing buildings. While SPF is hardly a new product (it’s been around for at least 35 years), the ...
RealLifeDIY on MSN
The spray foam vs. fiberglass debate homeowners still can't settle
After decades of arguing, homeowners still can't pick a clear winner.
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