CRL 3/4" Closed Cell Backer Rod - 1100' Case Finish:Gray freeze/thaw stable

freeze/thaw stable

and other typical air seals

Goes on Smooth and Evenly

CRL Open Cell Backer Rod should be used only in vertical and horizontal wall joints

CRL 3/4" Closed Cell Backer Rod - 1100' Case Finish:Gray freeze/thaw stableAllows 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