ALDOSEAL 1602 is a pressure sensitive seam sealing tape with Dupont Sontara Fabric backing bonded onto 20 mils of Butyl Rubber adhesive. ALDOSEAL 1602 stays flexible, even at low temperatures, to allow for the expansion and contraction of the substrate. ALDOSEAL 1602 has an aggressive grip with superior adhesion to produce an immediate, water tight seal. Containing no harmful VOCs, the product is environmentally safe. ALDOSEAL 1602 will save metal roof sealingcost under most metal system specifications.Recommended UsesALDOSEAL 1602 is recommended for sealing horizontal metal roof seams, although the aggressive superior adhesion of the product allows for use over other substrates such as concrete, wood, brick, block, stucco, plastics or fiberglass.