This assembly details a concrete control joint with an applied urethane overlayment over a concrete slab. A backer rod is installed inside a one-quarter-inch sawcut concrete joint, topped with flexible elastomeric sealant to seal the joint below the overlayment surface.
FLEXIBLE ELASTOMERIC SEALANT URATHANE OVERLAYMENT BACKER ROD IN 1/4" SAWCUT CONCRETE JOINT CONCRETE SLAB AS OCCURS 6 6" = 1'-0" 7 CONCRETE CONTROL JOINT AT OVERLAYMENT
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