Insul-Joint Backer Rods are non-absorbent joint inserts designed to control sealant depth. The round, extruded, closed-cell, low-density polyethylene foamed coils create a backstop to allow for proper sealant tooling. Insul-Joint backer rods are highly flexible and compressible for ease of installation. They range in diameter and configuration to meet various joint spacing and depth specifications. Common applications include glazing operations, window and door applications, expansion joints, curtain wall joints, partitions, log construction, pavement joints and repair, precast units and copings.
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