Polythene Damp-proof membrane is a thick durable polythene sheet that is applied to building walls and floors to prevent moisture from passing into interior spaces.
It is easy to install and often laid below the concrete on a bed of sand, to prevent any sharp edges of stone for example from damaging the membrane. It is BBA graded so complies with all building regulations.
Sizes:
We also supply Damp proof Coarse, Radon gas barriers, Single wound DPM and much more...