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0.5 LB Open Cell Polyurethane Foam Insulation
2.0 LB Closed Cell Polyurethane Foam Insulation
2.7-3.0 Closed Cell Polyurethane Roofing Foam
Intumescent coatings and intumescent fire-restive coatings protect the foam insulation. These coatings are spray-applied to act as a shield against fire. Intumescent coatings significantly decrease the foams burning rate by intumescing to many times their original wet film thickness and creating a char barrier.
Intumescent coatings are opaque and visibly distinguishable when applied to foam insulation. Opaque or white in color, intumescent coatings provide site-applied fire protection to various foam applications.