ChemLink SOF ROD Bi-Cellular Backer Rod per foot 5/8''

These ChemLink SOF ROD Bi-Cellular Backer Rods are of various diameters for use with non-sag and self leveling cold applied sealants. The use of SOF-Rod limits the depth of the sealant and prevents excessive sealant use.

Just prior to placing SOF-Rod, clean all joints per the sealant manufacturer's recommendations. Thoroughly remove any concrete form-release agents, curing compound residue, laitance, or any foreign materials. To ensure a good sealant bond, joints must be clean, dry, and free of contamination prior to sealant application. Air compressors used for this purpose must be equipped with traps for the removal of oil and moisture. Install the backer rod at the depth recommended.

Proper size selection is important as it controls the depth of the sealant bead and helps prevent three point bonding. It is recommended that the backer rod be oversized (25 - 50%) and fit tightly into the joint to function as a bond breaker.

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