CRL Black 1-1/2" Open Cell Backer Rod - 100 Foot Roll Putty & Accessories Cools to approximately 40F/22C below

Cools to approximately 40F/22C below outside temperature

Neutral Cure/Low Odor

TT-S-001543A (COM-NBS) Class A for Silicone Building Sealants

Glass-to-Tile

CRL Black 1-1/2" Open Cell Backer Rod - 100 Foot Roll Putty & Accessories Cools to approximately 40F/22C belowOpen 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