JM Corbond oc SPF is an open-cell spray polyurethane foam insulation that creates an effective air barrier against leakage. Delivers R-values up to R-3.6 at 1 inch and eliminates the unwanted exchange of air, which decreases moisture infiltration and exposure to outdoor pollutants and allergens.
The JM Corbond ocx SPF version meets the AC 377 NFPA 286 Appendix X requirements for applying without an ignition barrier in attics and crawl spaces and has an R-value of 3.7 at 1 inch.
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