CRL 3/8" Closed Cell Backer Rod - 100' Roll Finish:Gray 3-92 Type I

3-92 Type I

1-1/2" (38 mm) Long Stainless Steel Needle

Primerless Adhesion to Most Substrates

Putty must be painted after it has skinned over and attained a firm set

CRL 3/8" Closed Cell Backer Rod - 100' Roll Finish:Gray 3-92 Type IAllows Easy Control of Sealant Application Thickness Preferred for Exterior Installations Where a More Positive Seal is Required 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