Closed Cell Foam Backer Rod: Precision Joint Filling and Sealant Control

Closed Cell Foam Backer Rod, a versatile and essential solution for precise joint filling and sealant depth control.

This high-quality foam rod is designed to be inserted into joints, providing a non-absorbent compressible backup material that helps maintain the integrity of your sealing projects.

Whether you're working on glazing, window and door installations, expansion joints, curtain walls, partitions, or precast concrete tilt slabs, our Closed Cell Foam Backer Rod is an invaluable tool. It ensures proper sealant tooling and creates a backstop for consistent results.

Crafted from extruded closed-cell, low-density polyethylene foam, this backer rod offers both flexibility and compressibility, allowing for easy installation. Its skin-like outer texture enhances its durability and compatibility with various sealants, including butyl, acrylic, polyurethane, and silicone.

Available in a range of sizes and types, our Closed Cell Foam Backer Rods cater to different project requirements. Ensure a professional finish, prevent moisture intrusion, and achieve optimal sealant adhesion with this essential accessory.

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