JOINTFLEX® BACKER ROD Closed Cell Polyethylene Filler

 

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Jointflex® Backer Rods are manufactured from closed cell, cross-linked, non-absorbent polyethylene, and have excellent weatherability properties. Jointflex® Backer Rods are predominantly used as a bond-breaker,a joint sealantsupport and also a system to provide correct joint sealant geometry for the joint sealant application and are for use in expansion or construction joints in concrete.