Oldroyd 'P' Plaster Membrane (Plaster Lath)
Oldroyd 'P' Plaster Membrane 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.
Typical areas of application include
Oldroyd 'P' can be used above or below ground, however, we recommend that our technical department is consulted before using the product below ground.
Oldroyd 'P' Plaster Membrane is especially useful in situations where a damp wall is contaminated by salts or the residue of previous attempts to waterproof the wall (such as bitumen). Unlike cementitious, epoxy, or bitumen coatings, Oldroyd P can be applied directly to contaminated surfaces with minimal preparation.
 As an alternative to a plaster finish, plasterboard can be applied directly to Oldroyd 'P'. The plasterboard is attached to the Oldroyd 'P' by applying dabs of bonding compound to the heads of the Oldroyd Plaster Plugs that are used to attach the membrane to the wall. Consideration should also be made to the use of Oldroyd Xv Clear membrane which can be used in conjunction with the Fastframe Drylining System and requires fewer fixings.
Oldroyd P is available in 2m x 20m (40m2) rolls. A kit is also available containing everything you need to cover 7.5m2:
- 1.5m x 5m roll of Oldroyd P
- 100 x Oldroyd Plaster Plugs with Seal
- 6m Roll of Oldroyd Sealing Tape
Related Products
Oldroyd Xv Clear - A semi-transparent cavity drainage membrane without a mesh. Oldroyd Xv Clear is designed for application to interior floors and walls (including basement conversion applications).
Oldroyd Xs - A slimline cavity drainage membrane for damp-proofing floors.
...Full range of Oldroyd membranes.
 BBA Approved
Oldroyd P is covered by BBA certificate number 06/4345
Oldroyd 'P' Plaster Membrane can be specified under the following clauses:
Visit our case studies page for a complete list of case studies available on this website.
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