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JOINT FILLER WITH A PURPOSE — This sika foam backer rod partially fills joints and cracks due to concrete expansion, and to enable flexibility in the space before applying sealant
INCREASE EFFICIENCY — Use the Sika Backer Rod to prevent 3-point sealant adhesion and control its depth for easier adjustment and more efficient use of sealant
INCREASE EFFICIENCY — Use the Sika Backer Rod to prevent 3-point sealant adhesion and control its depth for easier adjustment and more efficient use of sealant
INCREASE EFFICIENCY — Use the Sika Backer Rod to prevent 3-point sealant adhesion and control its depth for easier adjustment and more efficient use of sealant
EASY-TO-USE — Clean the area and insert the backer rod firmly and uniformly into the joint or gap. Apply suitable sealant fully over the backer rod and smooth it with a tool for a uniform finish
Sika's Closed Cell Backer Rod is an essential tool for any joint filler project, ensuring efficient and long-lasting results. Its water-resistant and highly compressible properties make it suitable for interior and exterior uses. The gray color blends well and makes it compatible with most surfaces and sealants. Measuring 3/4" in diameter and 20 feet long, it makes an ideal fit for expansion joints, glazing installations, and window and door perimeters. For a simple installation, just insert the backer rod, apply sealant and smooth for a uniform finish. Achieve professional results and save time and money on your DIY project with Sika's Polyethylene Foam Backer Rod. Available in 3/4"/20 ft. bag.