5/8" Backer Rod
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Closed cell, polyethylene, flexible, rope-like foam joint backing material. This material is virtually non-absorbent and chemically inert to most solvents. 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. Specifically designed as a compressible backing material to be used in conjunction with a wide variety of cold-applied joint sealants. Easy to handle, smaller packaging/Added contractor convenience. For use in expansion or construction joints in concrete and precast concrete walls, floors. Denver foam backer rod. Denver foam is chemically inert and will resist oil, gasoline and most solvents. Forces sealant against joint sidewalls/Provides maximum sidewall adhesion. Easily compressible, lightweight/Installs quickly, stays in place. Backing for elastomeric and other applied caulking sealants. Controls depth of sealant/Ensures proper joint design ratio. Material is odorless and will not stain. Both hot and cold installations can be installed with Denver foam backer rod. Closed-cell foam technology/Does not allow air or moisture entrapment.
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