CRL Black 7/8" Open Cell Backer Rod - 100 Foot Roll Putty Knives & Caulking Spatulas ±50% Joint Width Movement

±50% Joint Width Movement

Controls Depth of Sealant and Acts as a Bond Breaker

32629 for 5 Minute Activation

anodized and mill-finished aluminum

*If necessary

CRL Black 7/8" Open Cell Backer Rod - 100 Foot Roll Putty Knives & Caulking Spatulas ±50% Joint Width MovementOpen Cell, No Skin, Non Gassing Rod is Compatible With All Cold Applied Sealants Controls Depth of Sealant and Acts as a Bond Breaker Soft, Compresses Easily CRL Open Cell Backer Rod is a soft, round, and easily compressible open cell polyurethane foam. Open Cell Backer Rod is not adversely affected by dynamic joint movement, and its inherent flexibility applies itself to joint variations very easily. It is ideal for use in situations where joint