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5/8" Pre-Caulking Backer Rod

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SASHCO SEALANTS 30623 5/8" Pre-Caulking Backer Rod

Item #: 30623 by SASHCO INC (SEALANTS)

UPC #: 031525306230

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$15.10

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Features
  • Gray
  • Minimum R value of 2 +AL0"
Product Overview
Makes professional joints that last. Helps fill in and insulate large caulk joints and allows the caulking to absorb more movement. Caulking adheres to the sides of the joint, but not to the filler rope, which allows the caulking to stretch and compress without tearing or pulling away thus extending the caulk's life and effectiveness. Made of closed cell poly foam.