Visqueen Zedex CPT High Performance Damp Proof Course (DPC) is a black, flexible 0.8mm co-polymer thermoplastic (CPT) damp proof course and cavity tray system. It is manufactured from a mixture of thermoplastic polymers and additives including elastomers. The product does not conform to BS6515:1984.Features & benefits

• BBA certified - third party accreditation
• Assessed in accordance with Technical Requirement R3 - conforms to NHBC requirements and suitable for NHBC sites
• Flexible cavity tray system - easy to detail and install on site
• Gas resistant - part of the Visqueen Low Permeability Gas Membrane system to provide gas protection to NHBC Amber 1
• Multi functional - also acts as a radon resistant damp proof course and can be used in conjunction with the Visqueen Radon membranes to provide radon protection
• Excellent tear resistance - robust and resistant to on site damage
• Versatile applications - widths from 100mm to 1400mm
• Visqueen Preformed Units available - simplifies complex or awkward detailing

Usage

• Visqueen Zedex CPT High Performance Damp Proof Course is suitable for installation in internal walls to prevent rising damp.
• The DPC is also suitable for installation in external cavity walls with a masonry outer leaf, including walls with a light gauge steel frame, structural timber frame or masonry inner leaf. The DPC is suitable for residential, commercial and multi storey buildings.
• The DPC can be site formed into built-in or surface fxed cavity trays to manage the downward passage of water in cavity wall applications.
• The DPC can also prevent harmful ground gases from entering into the cavity, and is suitable for use as a gas DPC for NHBC
• Amber 1 conditions or where radon gas exists. The DPC can also be used on sleeper walls below a ground foor construction e.g. beam and block foor system.