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Capital Valley Plastics Ltd

UK based manufacturer of membranes and films for construction

+44 (0)1495 772255 www.capitalvalleyplastics.com

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Capital Damp-Proof Course

Capital DPC is manufactured for use within brick, stone and concrete walls and will provide a robust damp proof barrier to prevent the rise of damp in structure walls. Made from 100% recycled polythene materials Capital DPC provides an environmentally friendly and extremely durable DPC guaranteed to meet British Building Regulations.

Membrane Installation Guide

To ease the installation process we have created a step by step guide to all our system components to ensure effective jointing, continuity and protection

Radbar Amber 1 Gas Barrier

Radbar® Amber 1 Gas Barrier is ideally suited for CS2 and NHBC Amber 1 sites. This 500 micron/2000 gauge membrane protects against radon and low level methane and carbon dioxide ground gases.

Radbar Amber 2 Foil Barrier

Radbar Amber 2 Foil Barrier is manufactured from high quality reinforced polythene with an aluminium core, it complies with the latest codes of practice as published by the BRE and CIRIA. Radbar Amber 2 Foil Barrier protects buildings, properties and occupants from the ingress of radon, carbon dioxide and methane gases. It has been independently tested to ISO 15105-1 and complies fully to BS 8485:2015, making this high quality membrane suitable for use on NHBC Amber 2 sites. Sites that may require Radbar Amber 2 Foil Barrier include former coalfields, contaminated industrial sites, landfill and brown field sites.

Radbar Hydrocarbon DPC

Radbar Hydrocarbon Damp Proof Course is a high quality tri-polymer that prevents the ingress of hydrocarbon, methane, carbon dioxide and radon gases. The DPC has been developed to offer superior chemical resistance while remaining supple for ease of installation. Radbar DPC is suitable for sites that have been contaminated by methane and other hydrocarbons, such as petrol stations or landfill sites. Radbar Hydrocarbon DPC is compliant to both BS EN 14909:2012 and BS 8485:2015. It can be joined with tapes or by welding.

Radbar Radon 400 Membrane

Radbar Radon 400 Membrane is a mono-layer film produced from virgin polymer specifically to prevent the ingress of Radon ground gas. Radbar Radon 400 Membrane is certified by the BBA.

Top Hat Installation

How to make a gas-tight seal when a pipe passes through a membrane.

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