Black Extra Heavy Duty Polythene Plastic Roll Sheeting DPM DPC Damp Proof Membrane 4 Metre x 25 Metre 300mu - 1200 Gauge BBA Approved

• Bba certified

damp proof membrane 25m x 4m x 300mu (1200 gauge) _x000d_ our 1200 gauge is a more durable membrane intended for applications that will place more wear and tear on the membrane. _x000d_ a damp proof membrane is essentially a thick polythene sheet laid under the floor slab, to allow the slab to dry out and keep out groundwater. It is often laid on a bed of sand, to prevent any sharp edges of stone or hardcore from damaging the membrane. _x000d_ â