Handi-Foam Fireblock Straw Foam Sealant 24 OZ (680G). HandiFoam® Fireblock low-pressure, one-component, polyurethane foam sealant is a moisture cured sealant designed to seal, fill, bond, and stop air infiltration in areas where a fireblock product is required. Due to its expansion characteristics, HandiFoam Fireblock is more effective than much traditional fire blocking materials for the blocking of flames and smoke in concealed penetrations, preventing flame spread from room to room and floor to floor 12 Units per case. Price per case. Shelf life for 15 months. Lead time ETA 2 days.R-Value: 4.5 At 1" Thick
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