JOINTFLEX® BACKER ROD
CLOSED CELL POLYETHYLENE FILLER
CJSA Jointflex® Backer Rods are manufactured from closed cell polyethylene, are non-absorbing, are U.V resistant and have excellent weatherability properties.
- Excellent weatherability
- No bitumen contents
- Acts as a bond breaker
- Resistant to ultraviolet light
- Ability to compress and recover
- Suitable for submerged or trafficable joints
AREAS OF APPLICATION
Jointflex® Backer Rod are used in joints in pre-cast and cast-in-situ concrete elements to give support to the joint sealant application, aid in the correct joint sealant geometry (application depth and shape) and prevent the joint sealant from adhering to the top of the expansion joint filler board (3-way bonding), acting as a bond breaker.
Note : The product’s design and performance, its intended use, installation and final confirmation and approval for use, must be provided by the project’s Design Engineer and Project Manager.
Jointflex® Backer Rod are available in roll lengths for round shapes and available in lengths of 1 metre, 1.5 metre and 2 metre for square sections. Standard diameter sizes are 6mm up to 80mm. Section sizes are as follows: 10mm x 10mm, 15mm x 15mm, 20mm x 20mm and 25mm x 25mm. Custom diameter and section sizes can be easily manufactured to suit.
Note: The above physical properties are test results from an in-house laboratory test report. Material properties can vary between batches of ± 10%. Project specific material properties can be custom produced to suit.
CHOICE OF SECTION
Note: Other size diameters and sections are available.