CRL 1/2" Closed Cell Backer Rod - 100' Roll Finish:Gray all old sealant must be

all old sealant must be removed

offering you a greater yield per tube

TremPro 644

Easy to Clean

CRL 1/2" Closed Cell Backer Rod - 100' Roll Finish:Gray all old sealant must beAllows 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