Basic Use: Mile High Closed Cell Backer Rod is an ideal compressible and non-absorbent backup material that is inserted into a joint to control sealant depth. This creates a backstop to facilitate accurate sealant tooling and proper sealant wetting of the joint surfaces, yielding a quality bond breaker between the backup material and the sealant. Mile High Closed Cell Backer Rod can also be used as a temporary joint seal.
Specific Uses:Mile High Closed Cell Backer Rod is suitable for glazing installations, window and door applications, expansion joints, curtain wall joints, partitions, log construction, pavement jobs, repairs, precast units and copings.
Compatibility:Mile High Closed Cell Backer Rod is compatible with butyl, polysulfide, acrylic polyurethane, silicone and most other cold applied sealant compositions.