Backer Rod 1/2" Closed Cell - 2500'/box

KOOL-ROD is a closed cell, polyethylene, flexible, rope-like foam joint backing material.

This material is virtually non-absorbent and chemically inert to most solvents. KOOL-ROD will not stain or adhere to sealant materials. It is fully compatible with acrylic, butyl, polyurethane, polysulfide, silicone, and most other cold-applied sealant compounds.

KOOL-ROD is specifically designed as a compressible backing material to be used in conjunction with a wide variety of cold-applied joint sealants.

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