CRL Black 2" Open Cell Backer Rod - 102' Butyl Rubber Sealants Requires a drill with a

Requires a drill with a minimum 1/2" chuck

If old joints are being repaired

Federal Specification TT-S-00230C

Permanent watertight bonds are made with this sealant

CRL Black 2" Open Cell Backer Rod - 102' Butyl Rubber Sealants Requires a drill with aOpen 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