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Caulk Backer Rod

Closed Cell Backer Rod 20' Roll

Elevate Your Sealing Projects with Backer Rod: Unrivaled Precision in Every Seal

Sealing gaps seamlessly requires the right foundation, and our Backer Rod stands as the epitome of precision and durability. In a convenient 20' roll, this polyfoam rod is designed to support various sealants effectively, ensuring a professional finish that withstands the test of time.

Discover the Features:

  • Closed Cell Structure: Offering superior resistance to moisture absorption and temperature changes, this backer rod guarantees optimal performance in any environment.
  • Ample Supply: With 20 feet in every roll, you have the flexibility to tackle multiple sealing projects with ease.
  • Versatile Sizes: Tailor your seal to perfection with three size options—3/8” (WCB-28), 1/2” (WCB-32), and 5/8” (WCB-36)—accommodating various gap sizes effortlessly.

Unlock a Range of Uses:

  • Windows and Doors: Achieve precise seals to eliminate drafts and boost energy efficiency around windows and doors.
  • Expansion Joints: Provide steadfast support for sealants in expansion joints, ensuring durability in areas prone to movement.
  • Concrete Construction: Perfect for concrete projects, the closed-cell structure preserves seal integrity by resisting water absorption.
  • Versatile Gap Filling: Whether it's construction or renovation, this backer rod proves invaluable for filling gaps with efficiency and effectiveness.

For professionals and DIY enthusiasts alike, the Closed Cell Backer Rod redefines the art of sealing. Choose the size that suits your project, and experience unmatched sealing precision for lasting, resilient results.

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Additional information

Product Specifications

Item Number
20' x 3/8"
20' x 1/2"
20' x 5/8"