CRL 1-1/2" Closed Cell Backer Rod - 6 Foot Cut Pieces

The CRL Closed Cell Backer Rod is an essential component for controlling sealant application thickness, offering a non-bonding surface that eliminates the need for additional bond breakers.
Designed to work seamlessly with all cold-applied sealants, this flexible polyethylene foam promotes proper joint design and prevents excessive sealant use.
Available in diameters from 1/4" to 2" (7 to 50mm), it ensures an optimal "hourglass" shape for joint sealants and won't absorb water, enhancing adhesive performance.
Ideal for use in a variety of construction applications, the backer rod is easy to store and install, with comprehensive guidelines for joint preparation and installation ensuring long-lasting results.
For more details, including temperature limits and product warnings, visit CRL’s website.