Damp Proof Course (DPC) Membrane Roll | Heavy-Duty Polyethylene Waterproof Barrier | 30m Roll is a high-quality waterproof DPC membrane designed to prevent rising damp and moisture penetration in walls, foundations, and masonry structures. Made from durable, tear-resistant polyethylene with a textured surface for superior mortar adhesion, it provides long-lasting protection against damp and water ingress. Available in a 30-meter roll with 225mm (9-inch) to 300mm widths, it is ideal for brickwork, blockwork, cavity walls, foundations, concrete slabs, and residential, commercial, and industrial construction projects, delivering reliable moisture protection and long-term structural durability.