Sika Backer Rod is used to partially fill deep expansion joints and cracks before application of your sealant. It helps prevent 3-sided adhesion while allowing you to control the depth of the sealant. Available in 3/4 in., 20 ft. length.
- Compressible and non-absorbent
- Assists in a proper joint design
- Helps improve durability and stability of your joint or crack application
- For vertical and horizontal applications