CRL Black 2" Open Cell Backer Rod - 102' Finish:Black Paddle head is 4-1/4" (108

Paddle head is 4-1/4" (108 mm) wide

Dap: 100% Silicone

Dow Corning®: 799 Silicone Contractors Weatherproofing

Quickly change from cooling to heating by simply reversing the polarity of the power cord

Sika: SikaSil®-N Plus

CRL Black 2" Open Cell Backer Rod - 102' Finish:Black Paddle head is 4-1/4" (108Open 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