ThermOfoam Fireblock Sealant

ThermOfoam Fireblock Sealant is a low pressure, one component, polyurethane foam sealant specifically designed and colored orange to seal annular spaces around ducts, plumbing penetrations, cables, and other penetrations between rooms and floors. A critical advantage of ThermOfoam Fireblock Sealant is its ease of use and its effectiveness at blocking smoke and toxic gases. The foam sealant stops air infiltration by blocking air from enteringescaping through gaps which prevent the flames, smoke, and gases from spreading. The product is for use in Type V residential construction. Fireblock Sealants are not intended for use in hourly rated assemblies.
ThermOfoam Fireblock Sealant is available as a 12oz or 24oz straw foam and a 24oz gun foam. The gun foam versions is designed to be dispensed through any gun foam dispensing unit. The straw foam versions are designed to be dispensed through a straw adapter (included with each can).
Fireblock Foam Tech Data Sheet 1
Fireblock Foam Tech Data Sheet 2
Fireblock Foam Literature Sheet