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Further technical information such as composition and manufacture, size and weight, performance and sitework...

Composition and manufacture

The Delta® membrane system comprises primarily the membrane itself, which is manufactured to a preformed, studded structure from high performance polyethylene. The membrane has different stud heights, and can be provided with an integral mesh to accept plaster or render finishes. Various seals, fixings, channels and drainage options are available. Contact manufacturer for details.

Effect of chemicals

The Delta® membrane systems incorporates excellent chemical resistance.

Moisture properties

Delta® membrane systems are suitable to provide a dry environment for all grades of construction, in accordance with BS 8102. The system also adheres to Type L requirements.


Delta offers free technical support to all construction professionals. A nationwide network of registered installers is available. Contact manufacturer for details.

Cleaning and maintenance

Delta® membrane systems are supplied with a 30 year product guarantee, covering the membrane and ancillary components. The Delta® membrane systems range is certified to the requirements of BS EN ISO 9001.


All Delta® membranes can be recycled.

Delta Membrane Systems

Delta Membrane Systems

Delta Membrane Systems Limited is the leading Type C Cavity Drain Membrane manufacturer in the United Kingdom being the UK arm of Dörken Gmbh & Co KG, the world's largest manufacturer of cavity drain membranes.

With over 125 years of...
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