CRL 1/2" Closed Cell Backer Rod - 100' Roll Caulks & Accessories neutral cure

neutral cure

and clear of obstructions

3-92 Type II Ductile Back Bedding Compound

CAN/CGSB 19

ASTM C-920 Type S

CRL 1/2" Closed Cell Backer Rod - 100' Roll Caulks & Accessories neutral cureAllows 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