CRL 1/4" Closed Cell Backer Rod - 100' Roll Finish:Gray 877 is a special low-solvent

877 is a special low-solvent formulation that is made to be compatible with Super Spacer's adsorbent

Off-white neutral color

*Do not use on plastic window panes

or 18 sausages (20 Fl

Easy to Clean After Use

CRL 1/4" Closed Cell Backer Rod - 100' Roll Finish:Gray 877 is a special low-solventAllows 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