This BBA approved damp proof membrane is a low-density, 1200 guage, polyethylene membrane to protect buildings from moisture in the ground, for use in solid concrete ground floors which are not subject to hydrostatic pressure.

This product can be installed either:

• As an oversite membrane, between a blinded hardcore bed and the base concrete slab.
• As a sandwich membrane in a base concrete slab
• Between the base concrete slab and the screed.