Bituminous App Waterproofing Membrane 10m - Flat Roof

APP membrane, also known as atactic polypropylene membrane, is a type of waterproofing material used to protect concrete surfaces from water damage. It's a modified bitumen membrane, meaning bitumen is modified with atactic polypropylene to improve its properties like elasticity, durability, and resistance to heat and UV radiation. APP membranes come in rolls and are commonly used for flat roofs and low-pitch roofs.