300mu (1200G) Black Polythene Damp Proof Membrane (DPM) 4m x 25m (100m2/Roll)

The Black Polythene Damp Proof Membrane is a polyethylene sheeting designed to resist moisture transfer from the ground into floor constructions.Manufactured to consistent thickness and density, it provides a reliable barrier layer suitable for domestic and light-commercial slab applications.Its flexible, tear-resistant structure supports straightforward cutting, laying, and jointing across prepared sub-base surfaces. The membrane offers compatible integration with insulation, concrete slabs, screeds, and damp-proof detailing at wall junctions.Supplied in 300mu (1200G) thickness on a 4m × 25m roll, providing 100m² of coverage.