CRL 1/2" Closed Cell Backer Rod - 100' Roll Finish:Gray offering you a greater yield

offering you a greater yield per tube

Do not use where this odor may be objectionable

Federal Specification TT-S-00230C (COM-NBS) Class A

and gypsum wallboard

Easy to Apply and Tool

CRL 1/2" Closed Cell Backer Rod - 100' Roll Finish:Gray offering you a greater yieldAllows 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