CRL 1/2" Closed Cell Backer Rod - 100' Roll Caulks & Accessories or other contaminants

or other contaminants

Standard Building Code-SSBCCI) as reported in the National Research Board Report No

Most shipping weights are approximate and have not been verified

and clear of obstructions

ASTM C-920 Type S

CRL 1/2" Closed Cell Backer Rod - 100' Roll Caulks & Accessories or other contaminantsAllows 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