On the heels of certification for its open-cell formula, CertainTeed Corporation announced that its CertaSpray closed-cell polyurethane spray foam insulation has been approved by the ICC Evaluation Service, Inc. (ICC-ES). The approval makes CertaSpray the only closed-cell foam insulation offered in the U.S. that is both approved by the ICC-ES and certified through the GREENGUARD Indoor Air Quality and GREENGUARD Children & Schools program.CertaSpray open- and closed-cell foam insulation products are blown into wall cavities, attics and floors and expand to create excellent thermal efficiency that modern housing demands. In general, CertaSpray closed-cell foam insulation provides a high-performance R-value and an air barrier that cures into a hard, rigid material that can add structural integrity to walls. The open-cell foam insulation results in a spongy, flexible consistency. Read more here.
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