NBS Clause M20-624
M20 PLASTERED/ RENDERED/ ROUGHCAST COATINGS
To be read with Preliminaries / General conditions.
624 WATERPROOF LATHING
Oldroyd ‘P’ Plaster Membrane
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 water. Oldroyd ‘P’ can also be used on external walls to provide protection against penetrating damp.
Consult Safeguard Europe Ltd technical literature for details. Safeguard Europe Ltd can also provide a design and specification service and it is recommended that they are consulted early in the design process.
624 WATERPROOF LATHING
Manufacturer: Safeguard Europe Ltd. Redkiln Close, Redkiln Way, Horsham, West Sussex, RH13 5QL. Tel: 01403 210204. Fax: 01403 217529. Email: info@safeguardeurope.com Web: www.safeguardeurope.com
Product reference: Oldroyd ‘P’ Plaster Membrane
Fixing and sealing accessories: As recommended by the waterproof lathing manufacturer.
Fixing: Secure and firm to provide a continuous, keyed backing for coatings.
Joints between lathing sheets and junctions with services, windows and other openings: Prevent penetration and bridging of cavity by coatings.
Ventilation gaps:
Bottom of lath: Consult Safeguard Europe Ltd technical literature for details.
Top of lath: Consult Safeguard Europe Ltd technical literature for details.
Details/ Accessories: Consult Safeguard Europe Ltd technical literature for details.
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