Why use our products?

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Contractors can be sure that all the products manufactured by Capital Valley Plastics meet building regulations, national guidance recommendations, and British Standards.

Many of the products are independently certified by the BBA and all are manufactured under our ISO 9001 and ISO 14001 management systems.

Where building regulations and British standards allow products are manufactured from 100% recycled material, this can assist in site and projects meeting their environmental or sustainability targets.

All of our construction membranes are also guaranteed for the lifetime of the building. In over 30 years of supplying membranes and DPC’s into the construction sector we have never had a single failure.

Full technical support is available, from product recommendations to installation advice.

CAD detail drawings are also available.

Looking for Radbar?

The Radbar range includes specialist damp proof courses, radon barriers, gas barriers and hydrocarbon barriers.

Resources & downloads

Here you can obtain certificates, installation guides and more relating to Capital products.


Our state of the art recycling and manufacturing processes ensure that optimum performance is maintained alongside optimum sustainability.

Get in touch

Capital Valley Plastics Ltd
Cwmavon Works,
nr. Pontypool
Gwent NP4 8UW

01495 772255

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