App Membrane Flat Roof Waterproofing

The APP membrane, short for Atactic Polypropylene Membrane, is a special waterproofing material that is manufactured from Bitumen. They comes in rolls.With proper workmanship, the APP membrane is a very efficient and durable waterproofing material used in most constructions. Used in waterproofing and dump proofing of exterior walls of basements, retaining walls and flat roof waterproofing.