Visqueen Zedex Damp Proof Course - 450mm x 20mtr

Name: Visqueen Zedex Damp Proof Course - 450mm x 20mtr
Brand: Visqueen
SKU: 774tsx2tih
Price: 92.92 GBP
Availability: InStock

The Visqueen Zedex CPT High Performance Damp Proof Course delivers advanced moisture protection en...

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Visqueen Zedex Cpt High Performance Damp Proof Course 450Mm X 20Mtr

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Product Information

Full details

The Visqueen Zedex CPT High Performance Damp Proof Course is designed for builders and contractors needing robust moisture and gas protection in building envelopes. Its key benefit is advanced damp proofing and a gas-resistant barrier, safeguarding structures for their lifetime. A potential consideration is its specific 450mm x 20mtr format, which should be factored into project planning. This BBA-certified product offers a flexible, co-polymer thermoplastic solution for damp proofing and cavity tray functions, effectively preventing moisture and harmful gases like radon and CO2 from entering.

All features

Model Part Number	RS072260
Brand	Visqueen

Extended Product Information

FAQs

What is the main purpose of the Visqueen Zedex CPT?

Its primary purpose is to provide a durable damp proof course and cavity tray system, preventing the ingress of moisture and harmful gases like radon and CO2 into buildings.

Is this product suitable for all types of construction?

Yes, it is suitable for most residential and commercial building projects, including new builds, extensions, and renovations, particularly in masonry construction.

How long will the damp proofing last?

The product is manufactured from co-polymer thermoplastic designed to protect against damp for the lifetime of the building.

What does BBA certification mean for this product?

BBA certification means the product has undergone rigorous testing and assessment by the British Board of Agrément, confirming its performance and suitability for its intended use in construction.

Can I use this product if there are concerns about radon gas?

Yes, the Visqueen Zedex CPT has gas-resistant properties and low permeability to radon and Carbon Dioxide, making it an effective barrier against these gases.

How do I handle the material safely?

The product contains no hazardous pitch or PVC plasticisers, making it safe and clean to handle. Standard construction site safety practices should still be followed.

What are the dimensions of the product?

The product is supplied in a 450mm width and a 20-meter length roll.

Troubleshooting

Product appears brittle or difficult to handle in cold conditions.

Allow the material to warm to a workable temperature before attempting to unroll or cut. Store rolls in a suitable environment away from extreme temperatures.

Water pooling on the DPC surface.

Ensure the DPC is correctly installed with a continuous fall towards the exterior or weep holes for cavity tray applications. Check for blockages in drainage paths.

Mortar adhesion seems poor.

Verify that the substrate is clean and free from dust or frost. Ensure the correct type of mortar is being used and applied as per manufacturer guidelines.

Gaps or discontinuities in the damp proof course.

Ensure sufficient overlap between sections and that all laps are correctly sealed. Inspect the DPC for any accidental damage incurred during installation and repair as necessary.

Pros and Cons

Pros

Provides a long-lasting moisture barrier for the lifetime of the building.
Offers effective protection against harmful ground gases like radon and CO2.
Flexible material accommodates building movement, preventing cracks and breaches.
BBA certification provides confidence in its performance and reliability.
Safe to handle due to the absence of hazardous pitch or PVC plasticisers.
Good adhesion to mortar, ensuring a secure installation.

Cons

Specific dimensions (450mm x 20mtr) may require cutting and planning for different project needs.
Requires proper installation techniques to ensure full effectiveness.
Primarily a damp proof course and cavity tray, not a general waterproofing membrane for all applications.

Setup, Compatibility & Care

Setup:

Ensure the substrate is clean, dry, and free from sharp objects before installation.
Unroll the Visqueen Zedex CPT, allowing it to relax for a short period if necessary.
Position the DPC to cover the required area, ensuring adequate overlap (typically 150mm horizontally and 100mm vertically) with adjacent courses.
Secure the DPC using appropriate fixings or mortar. Ensure all laps are sealed and joints are properly dressed.
For cavity tray applications, ensure the tray directs water towards the outside face of the building or to a weep hole.

Compatibility:

Compatible with most standard building materials including brick, blockwork, concrete, and timber.
Adheres well to cementitious mortars.
Ensure compatibility with any adjacent membranes or sealants being used.

Care:

The product is designed for long-term performance within the building fabric and requires no routine maintenance.
Protect the material from physical damage during construction and subsequent works.