A black rubberized asphalt emulsion (water base) waterproofing compound especially formulated for a wide variety of sealing, patching and flashing jobs on both old and new roofs. Meets strict environmental regulations because it is water base. Application is easy, fast and simple so it saves time and labor. Applied with a trowel or glove. Use with SWEPCO Patching Fabric for waterproofing flashings and other high stress areas.