CRL 2" Closed Cell Backer Rod - 102' Box Flashing It is also used in

It is also used in vehicles

Packed 12 Per Box

For single use applications you'll find the five fluid ounce size meets your needs exactly

Seals Around Window and Door Frames

Plastic Cartridges with Screw-On Nozzles

CRL 2" Closed Cell Backer Rod - 102' Box Flashing It is also used inAllows 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