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Oldroyd Xv Black is a polypropylene cavity drainage membrane embossed with a pattern of 6mm-deep studs. It is designed to be used as a waterproof barrier / drainage layer in structural waterproofing applications.

Oldroyd Xv20 is a large (20mm) stud-size cavity drainage membrane with applications in waterproofing, drainage, and ground-gas control Oldroyd Xv20 benefits from large 20mm dimension studs providing greater drainage and flow capacity than standard cavity drain membranes. For this reason Oldroyd Xv20 is ideally suited to civil-engineering applications and the waterproofing of large commercial basements.

Oldroyd Xp Plaster Membrane (formally Oldroyd P) is a studded polypropylene waterproofing membrane with a special mesh welded to one side. It is fixed to damp, contaminated walls using Oldroyd Plaster Plugs, with the studs facing the wall. This creates an air-gap which allows the wall to breathe whilst blocking the passage of moisture. On the reverse side of the membrane, the special mesh can be plastered onto, allowing a dry plaster finish to be achieved without the risk of contamination from any damp or salts in the wall.