Bitumen STP MEMBRANE ROLLS, Thickness: 3mm

An "STP membrane roll" refers to a roll of waterproofing membrane manufactured by STP (likely referring to a company like "STP Ltd"), typically made from a bitumen-based material modified with Atactic Polypropylene (APP) and reinforced with a spun-bonded polyester mat, providing excellent flexibility, weather resistance, and high tensile strength, often used for applications like protected roofing and waterproofing in single or multi-layer systems