To Vent or Not to Vent?
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That is the Question.
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By Roger V. Morrison, PF, RRC, Deer Ridge Consulting, Inc.
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The spray polyurethane foam (SPF) community has been installing unvented-conditioned attic in homes for decades.  But with the changes in the International Residential Code, which were first implemented in the 2004 Supplement, the code now recognized the practice, [...]

By Centers for the Polyurethanes Industry
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One of the largest growing uses of spray polyurethane foam (SPF) insulation is in residential attics and crawl spaces.  As with all other foam insulation applications, this use is regulated by building codes to assure that occupants are properly protected from the risk of fire.  In order to demonstrate compliance [...]

Which Spray Foam Is Right For You?
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Appropriate applications for open-cell and closed-cell foam insulation
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Thermal insulation for low-rise residential construction has historically been dominated by loosefill and pre-formed blanket cavity-fill materials, primarily fiberglass and cellulose. With a new generation of building insulation materials and systems on the market, a careful assessment of their physical properties needs [...]