Sika 3/4 In. X 20 Ft. Closed Cell Backer Rod, Expansion Joint Polyethylene Foam
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. Warning: Cancer and Reproductive Harm - www.p65warnings.ca.gov
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