Foam Backer Rod

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HomeFoam Backer Rod
Closed cell foam backer rods ideal for applying to cracks and joints when sealing gaps in expansions joints to obtain the correct joint dimensions for sealants, preventing three-sided adhesion in wide or deep joints.

Simply press the backer rod into the gap or joint prior to applying sealant to create a uniform joint that requires far less sealant material to fill, which results in a greatly reduced cure time.
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