CRL Black 2" Open Cell Backer Rod - 102' Finish:Black Dap: 100% Silicone

Dap: 100% Silicone

One of the surfaces to be bonded must be porous

It is supplied in a non-sag consistency which will gun easily with conventional caulking equipment

Sika: SikaSil®-N Plus

CRL Black 2" Open Cell Backer Rod - 102' Finish:Black Dap: 100% SiliconeOpen 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