CRL Black 1-1/2" Open Cell Backer Rod - 100 Foot Roll Putty & Accessories fast-drying adhesive for permanently attaching

fast-drying adhesive for permanently attaching an array of materials

The possibilities are limitless

To ensure a good sealant bond

Prism™ also works on acidic surfaces

CRL Black 1-1/2" Open Cell Backer Rod - 100 Foot Roll Putty & Accessories fast-drying adhesive for permanently attachingOpen 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