DPM – Damp Proof Membranes
BBA Damp Proof Membrane is a blown film of extruded low-density polyethylene suitable for use in concrete floors not subject to hydrostatic pressure. The Damp proof membrane forms an effective barrier to the passage of moisture and water vapour from the ground.
The product can be installed either as an oversite membrane, between a blinded hard core bed and the base concrete, or as a sandwich membrane in base concrete or between the base concrete and screed.
Three gauges/thickness are available,
Nominal Thickness 250um 300um 500um
Gauge 1000 1200 2000
Roll Length 25m 25m 12.5m
Roll Width 4m 4m 4m
Roll Height 23kg 27.6kg 23kg