Capital Valley Plastics

Manufacturers of Gas Barriers, Damp Proof Membrane & DPC since 1987

Founded in 1987, CVP is an award winning manufacturer based in Cwmavon (South Wales). Situated within its own private grounds in the Welsh valleys, we have proven that industry can work with nature.

Our efforts to pro-actively and relentlessly improve our methodology behind every aspect of the business means that we are able to provide leading edge products with a sophisticated and reputable service.

Our Products


Radbar products are a specialist group of materials for the building industry, that have optimum technical specification and value for money. They include specialist damp proof courses, radon barriers, gas barriers and hydrocarbon barriers.


At Capital Valley Plastics we also manufacture a full range of entry level products, including damp proof membranes, general purpose sheeting and damp proof course. All of these are 100% recycled where building regulations allow.


Latest News

Our trophy has arrived!

We are thrilled to have received the trophy and certificate for winning a Recycling Award for excellence! This will take pride of place in our boardroom.

08 Mar 2021
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We are delighted to have won a prestigious Award for Excellence In Recycling, in partnership with Torfaen CBC and FFC Environmental. Our partnership was awarded first place in the best local authority initiative for the work our Sustainability department has…

23 Nov 2020
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