CRL 1/2" Closed Cell Backer Rod - 100' Roll Caulks & Accessories ASTM C-920 Type S

ASTM C-920 Type S

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

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Metal Gun Can be Cleaned With F0M014 Fomo Cleaner

CRL 1/2" Closed Cell Backer Rod - 100' Roll Caulks & Accessories ASTM C-920 Type SAllows 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