Sika Backer Rod 3/4" x 20' 108130

Sika Backer Rod 3/4" x 20' 108130. A 3/4 inch closed cell compressible backup material. It is inserted into a joint to control sealant depth and to prevent 3 sided adhesion.

Easy to apply
Highly flexible and compressible
Will not absorb water
Good temperature resistance
Partially fills deep cracks before sealant application

This low density polyethylene foam is ideal for glazing installations, expansion joints, window and door perimeters, copings, and pavement joints. Resists oil and most other solvents. Available in 3/4" x 20 ft. bag.