Concrete Sealing Mastic

Del Zotto’s Sure Seal is an asbestos-free product that can be used with most solid surfaces to provide a superior seal against moisture, dust and air. Its high-density, polymer-based mastic is especially made for use with pre-cast concrete joints. Our Sure Seal is available in strips or rolls, and can be purchased by the box, pallet or truck load.Features include:Meets ASTM C990 specifications for butyl rubber sealantStrips or Rolls SizesStrip sizes are: ½”, ¾”, 1”, 1 ¼“, 1 ½“, 1 ¾“ and 2”Roll sizes are: ½”, ¾”,7/8”, 1” and 6”