Expansion joint treatment is the Sealing of construction joints, Expansion joints, connecting joints, Cracks and crevices. It adheres to Many types of substrates such as Concrete, mortar, plaster work, Steel iron, aluminum, stoneware, Glass and epoxy. Typically used in Concrete tanks, cast and cement-pipe Connections, bridge decks, tunnels, Water towers and reservoirs, ponds, Silos, containers, secondary tanks.