DuPont’s Froth-Pak Spray Foam is an HFC-free, two-component polyurethane spray foam for filling large gaps and penetrations. Provides thermal, air and moisture management to buildings, mitigating the effects of moisture damage and improving energy efficiency.
Available in two sizes: Froth-Pak Spray Foam Sealant, designed for filling penetrations and cracks in rim joists, roof wall junctures and around pipes and ducts between 2 and 4 inches wide, and Froth-Pak Spray Foam Insulation, a Class A fire rated foam that fills cavities, penetrations and cracks in rim joists, roof wall joists, roof wall junctures and around pipes and ducts up to 2 inches thick.