Damplas Radon Gas Barrier 400mu 4m x 20m in Red

Damplas Radon Gas Barrier 400 is manufactured from a controlled blend of virgin polythene for use in buildings as a barrier to the ingress of harmful radon gas. Supplied in a 20m roll, it can also serve as a damp proof membrane and can be used in most common flooring constructions - but isn't intended for use where there is the risk of hydrostatic pressure. * For use in buildings as a barrier to the ingress of harmful radon gas * Complies with new BBA regulations for radon protection membranes in line ...