CRL 5/8" Closed Cell Backer Rod - 100' Roll Lifter Replacement Parts & Accessories and can withstand temperatures up

and can withstand temperatures up to 300°F (149°C)

interior or exterior structural sealing below the waterline in marine applications

ASTM C1183

submerged joints (swimming pools and aquariums)

and outlasts ordinary putties

CRL 5/8" Closed Cell Backer Rod - 100' Roll Lifter Replacement Parts & Accessories and can withstand temperatures upAllows 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