Why stock our products?

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As a merchant you 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.

We are able to supply single pallets made up of multiple different products, right up to full truck loads of single products.

Not only do we manufacture membranes but we also supply common accessories such as tapes and top hats, making us a one-stop solution for your damp-proofing and gas protection needs.

We strive to provide not only top quality, industry-leading products, but also industry-leading service. Our friendly team will be happy to discuss your product range requirements and prices, give us a call on 01495 772255.

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 our construction membranes are guaranteed for the lifetime of the building.

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

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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