CRL 3/4" Closed Cell Backer Rod - 1100' Case Putty Knives & Caulking Spatulas CRL Tremco® Spectrem® 2 is

CRL Tremco® Spectrem® 2 is suitable for both caulking and glazing applications

CRL Loctite® Minute Bond Adhesive permanently bonds non-porous materials such as glass

closed cell polyurethane foam in a pressurized can specially formulated for window and door applications

Just screw on the can

CRL 3/4" Closed Cell Backer Rod - 1100' Case Putty Knives & Caulking Spatulas CRL Tremco® Spectrem® 2 isAllows 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