CRL Handi-Foam® Triple Expanding - 29 Ounce Can *DISCONTINUED* Silicone Sealants In most cases no primer

In most cases no primer is required

Gun Grade Consistency

General Purpose Silicone Glazing Sealant

for silicone building sealants

CRL: RTV408

CRL Handi-Foam® Triple Expanding - 29 Ounce Can *DISCONTINUED* Silicone Sealants In most cases no primerInsulates and Soundproofs Seals Around Window and Door Frames, Air Ducts, and Pipes CRL Handi Foam Triple Expanding is a one component polyurethane foam in a pressurized can that expands up to three times its original volume. Use Handi Foam as a fill to stop air infiltration from cracks, gaps, holes, etc. Use for gaps less than 3" (76 mm) and in bead applications. Requires moisture to cure, becomes tack free in 10 minutes, and cures in 12 to 24 hours.