A unique, round, continuous-length, compressible foam material that helps ensure proper performance of the sealing system. It has an open cell structure that allows air flow to speed sealant drying and curing from both the top and bottom. Being hydrophobic, it will not wick water. Backer rod can be used with hot or cold applied sealant material.
Joint Sealant Bedding and Backup Material
Unique filler/bed for deep cracks or joints
Compatible with hot or cold applied sealant
Stops waste of costly sealant material
Packaged in continuous length bales wrapped in preshrunk transparent poly bags
Binder-twine coiled to easily dispense from the center