Designed to fireblock penetrations between rooms and floors, Johns Manville Fireblock Foam Air Sealant is a low-pressure, one-component polyurethane foam sealant designed for Type V residential applications.
Johns Manville Fireblock Foam Air Sealant is a low-pressure, one-compont product designed for Type V residential applications to prevent fire from spreading between rooms and floors in framed residential construction applications. It is chemically inert and non-reactive in approved applications, and will not harm electrical wire insulations, rubber, PVC, or other plastics. It is for professional use only.
Fire-Resistant: Prevents flame spread between rooms and floors.
Moisture-Resistant: Prevents the growth of mold; stops rotting.
Distinctive Orange Color: Easily recognized as an approved fireblock product.