Plastomeric polymer distilled bitumen waterproofing membrane. TREND HS OVERSEAS is a prefabricated PLASTOMERIC (APP) waterproofing membrane offering good performance. Made from a polymer-modified distilled bitumen compound. TREND HS OVERSEAS has a spunbond polyester nonwoven carrier stabilized with glass strands parallel to the machine direction. The carrier gives tensile strength in all directions, as well as puncture resistance, with excellent dimensional stability.