Sika Backer Rod, Gray, Polyethylene Foam, Closed Cell Used to Partially Fill deep Cracks or Joints Before applying sealant, 3/4\ Diameter x 20' Long
- Sika Backer Rod is inserted into a joint to control sealant depth and to prevent 3 sided adhesion.
- DURABILITY: Good temperature resistance and will not absorb water..
- PERFORMANCE: Partially fills deep cracks before sealant application. Oil and most other solvents resistant..
- SUPPORTS: Ideal for glazing installations, expansion joints, window and door perimeters, copings, and pavement joints..
- APPLICATION: Highly flexible, compressible and easy to apply. Use the product to partially fill up deep cracks or joints before applying sealant..