CRL 1-1/2" Closed Cell Backer Rod - 102' Box Finish:Gray The light grainy texture has

The light grainy texture has proven very popular for matching textured substrates like stucco and masonry

ASTM C-920 Type S

neutral cure

CRL: M66 Polyurethane Sealant

CRL 1-1/2" Closed Cell Backer Rod - 102' Box Finish:Gray The light grainy texture hasAllows Easy Control of Sealant Application Thickness Won't Adhere to Sealants; No Bond Breaker Needed Compatible with All Cold Applied Sealants CRL Closed Cell Backer Rod is a round, flexible, closed cell polyethylene foam with an exterior "skin" used as a backing and thickness control device for elastomeric and other cold applied sealants. The Backer Rod becomes an integral part of the joint into which it is installed, and therefore is available in a