CRL 1-1/4" Closed Cell Backer Rod - 100 Foot Roll

The CRL Closed Cell Backer Rod is an essential tool for controlling sealant application thickness and ensuring optimal joint design.
This round, flexible polyethylene foam features a non-bonding surface, eliminating the need for additional bond breakers and enhancing sealant performance by allowing movement and reducing stress at adhesion points.
Ideal for use with all cold-applied sealants, the backer rod is available in diameters ranging from 1/4" to 2" (7 to 50mm) and is designed to prevent water absorption and wick water to joint walls.
With temperature limits of -45°F to 160°F (-43°C to 71°C), it's perfect for applications in expansion/control joints, curtain walls, construction partitions, and more.
For best results, store in a well-ventilated area and ensure proper joint preparation before installation.