APP Modified Bitumen Membrane APP Modified Bitumen Membrane High-performance torch-on waterproofing plastomeric multi-purpose membranes guaranteeing years of use in cold climates. Strong and versatile torch-on waterproofing plastomeric membranes ideal for medium complexity applications while ensuring good mechanical properties. The APP membrane, short for Atactic Polypropylene Membrane, is a special waterproofing material that is manufactured from […]