CRL Black 2" Open Cell Backer Rod - 102' Butyl Rubber Sealants It is also suitable for

It is also suitable for varied manufacturing uses

Dow Corning 999-A Building and Glazing Sealant is not intended for structural glazing

Weathertight Seal

Requires a drill with a minimum 1/2" chuck

It installs easily with a utility knife and hammer

CRL Black 2" Open Cell Backer Rod - 102' Butyl Rubber Sealants It is also suitable forOpen 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