CRL Black 1-1/8" Open Cell Backer Rod - 350 Foot Roll Expanding Foam Sealants & Dispensing Guns This silicone does not cause

This silicone does not cause corrosion in contact with metals

and building rehabilitation projects

Sof® Rod is a continuous length of extruded polyolefin foam made with a non-absorbent outer "skin" and a highly resilient interior network of open and closed cells

CRL 800 Acrylic Latex with Silicone is a pure acrylic latex sealant featuring easy tooling and water clean up

Gun Grade Consistency

CRL Black 1-1/8" Open Cell Backer Rod - 350 Foot Roll Expanding Foam Sealants & Dispensing Guns This silicone does not causeOpen 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