SOF – Rod Backer RodSKU:

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Chem Link SOF®-Rod is a cylindrical, flexible foam rod for use as a sealant backing. SOF®-Rod is composed of a bi-cellular material. SOF®-Rod may also be used as a gasket or sealing material as per ASTM C 717. TYPE: B - Per ASTM C 1330. Cylindrical, flexible sealant backings composed of bi-cellular material. Also reference ASTM C 717 for use as gasket or sealing material. TYPE: 3 - Per ASTM D 5249. Round rods of various diameters for use with non-sag and self leveling cold applied sealants. TEMPERATURE LIMITS: -45˚F to +160˚F.


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 removal of oil and moisture. Install the backer rod at the depth recommended on the corresponding sealant data guide. Only available through Chem Link distributors.

Product Features


omposed of bi-cellular polyolefin foam


meets 1990 Clean Air Act requirements


easy to apply

No Outgassing

virtually dust free

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