J-SEAL TPER Joint Seal  VIEW PRODUCT BROCHURECORKJOINT J-Seal® TPER Joint Seal, made from Thermoplastic Elastomeric Rubber, is a pre-formed joint seal for use in expansion and construction joints in concrete to prevent the egress of water through the joint, and to seal against the infiltration of debris and foreign matter from entering the joint. is a pre-formed joint seal for use in expansion...

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