Toughsheet Damp Proof Membrane (DPM) 4m x 25m | 100sqm Heavy Duty Polyethylene Moisture Barrier is a premium heavy-duty polyethylene DPM designed to prevent ground moisture, water vapour, and rising damp beneath concrete floors, slabs, foundations, and screeds. With 100sqm coverage (4m x 25m), this durable, tear-resistant membrane provides a reliable waterproof barrier that protects buildings from moisture damage and extends structural lifespan. Ideal for residential, commercial, and industrial construction, the Toughsheet Damp Proof Membrane is easy to install and perfect for concrete slabs, garages, warehouses, factories, and ground floor waterproofing applications.