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Visqueen Zedex Non-Combustible Damp Proof Course

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High quality Visqueen Zedex Non-Combustible Damp Proof Course products

What is Visqueen Zedex Non-Combustible Damp Proof Course?


Visqueen Zedex Non-Combustible Damp Proof Course (DPC) achieves a reaction to fire classification A2 - s1, d0. The product is compliant with the requirements of The Building Regulations 2010 (England and Wales) (as amended) and The Building (Scotland) Regulations 2004 (as amended).

The DPC is a flexible 0.6mm composite damp proof course and cavity tray system. It is supplied in 20m length rolls and the following standard widths: 100mm, 150mm, 300mm, 450mm, 500mm, 600mm, 700mm and 800mm.

The DPC is coloured red on the upper surface and pale grey on the reverse and is installed with the red surface facing upwards or outwards i.e. facing towards the direction of moisture penetration.

Visqueen Zedex Non-Combustible Damp Proof Course and cavity tray is designed for cavity wall constructions including those with a structural framing system inner leaf and a masonry outer leaf, in residential, commercial and multi-storey buildings. Typical applications include being used as a vertical DPC, or as a site formed surface fixed cavity tray to manage the downward passage of water in cavity wall constructions.

The product is used where a DPC or DPC cavity tray is required that achieves a reaction to fire classification A2 - s1, d0 to BS EN 13501-1:2018.

In circumstances where the external wall construction consist of a masonry inner leaf e.g. blockwork, Visqueen Zedex NonCombustible DPC can either be surface fixed or built in to the inner leaf. Please note that in accordance with Building Regulation Approved Document B, the requirement for a non-combustible DPC cavity tray does not apply to DPC cavity trays when used between two leaves of masonry.

Care should be taken by the Designer to ensure suitability for applications other than those stated above. Visqueen Zedex NonCombustible DPC should be approved by all stakeholders prior to use.

To simplify complicated or awkward cavity tray junctions e.g. corners, steel columns, changes of level, etc., an extensive range of Visqueen Non-Combustible Preformed Units (rigid units manufactured from stainless steel) and Visqueen Zedex Non-Combustible Flexi Preformed Units (flexible units manufactured from Zedex Non-Combustible DPC) are available. Either type of unit can be used or they can be used in combination on the same project e.g. Flexi units at some corners and stainless steel units at others. Final decision on what is installed will lie with the stakeholders e.g. installer and design team.
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Frequently Asked Questions About Visqueen Zedex Non-Combustible Damp Proof Course

What sizes of Visqueen Zedex Non-Combustible Damp Proof Course are availabe?

Visqueen Zedex Non-Combustible Damp Proof Course is supplied in 20m length rolls and the following standard widths: 100mm, 150mm, 300mm, 450mm, 500mm, 600mm, 700mm and 800mm. 

What is the useable temperature range of Visqueen Zedex Non-Combustible Damp Proof Course?

It is recommended that Visqueen Zedex Non-Combustible Damp Proof Course and associated system components should not be installed below 5°C.

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