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A Proven Partner to the UK's Leading Fabricators

As one of the UK’s leading manufacturers of PVCu window and door systems, with a long and distinguished pedigree in extrusion, Duraflex offers a formidable combination of service, support and product innovation; delivering a comprehensive suite of products to serve all market sectors, a complete range of marketing and sales support tools - all backed by a dedicated team, who are time-served industry experts.

Duraflex, part of the UK Windows & Doors Group Ltd is one of the largest extruders of PVCu profile for the Window Industry in the UK. We supply householders, builders, developers, Local Authorities and Housing Associations through a nationwide network of window fabricators and installers. Backed by over twenty years of PVCu extrusion experience in the window and door sector, Duraflex create the ideal environment for innovative product design, quality production, reliable logistics and all the necessary customer support services.

 Duraflex factory


Making The Difference

Completed in 2004, we operate from a 275,000 sq/ft state of the art, purpose built facility in Tewkesbury that consists of the office, factory and warehouse. Duraflex are now the largest single site extruder of hollow PVCu profile in the UK. Staffed by people who understand the specialist needs of the industry means Duraflex are able to provide customers with continually evolving products and services to meet the exacting demands of the changing marketplace.

Why Choose Duraflex?

Duraflex offer one of the most complete PVCu window and door systems on the market, meticulously designed and tested to meet the exacting demands of today’s fabricators, installers and end users alike.  With over 60 years industry experience, we have built a reputation for quality and customer excellence across all areas of the business.

Designed to suit any sector, from new build and private, to social and commercial, the iconic Diamond Suite is a truly versatile system, providing fabricators’ with the ability to manufacture virtually any window or door style, whilst offering complete system compatibility, thanks to it’s fully integrated design. Whether fabricating casement, flush, tilt and turn, the innovative fully reversible window, patio, or bi-fold door, Duraflex offer a solution to match your needs.


casement windows

Retail & Trade Fabricators

As one of the UK's longest standing PVCu Systems' Houses, we understand what fabricators need to flourish and we have a demonstrable background as the proven partner to a number of the UK's leading fabrictors. The Duraflex Diamond Suite is one of the most comprehensive systems on the market, meticulously designed with the fabricator in mind. What’s more, here at Duraflex we are dedicated to continuous improvement and product innovation, constantly striving to offer our customers industry leading products and support services to keep them ahead of the competition.


Commercial & New Build

Our Diamond Suite has undergone the most rigorous testing that the UK has to offer and as such, is a proven and popular system in the commercial sector. The Duraflex range is fully accredited, offering our customers the highest standards and total peace of mind that all products are fully compliant. Our range of windows, including the innovative fully reversible window are a popular solution across both residential and commercial developments, providing quality, energy efficient products at a cost effective, commercially minded price. 


Duraflex commercial installations

"A proven partner to the UK's leading fabricators; proudly supplying retail, trade, commercial and new build markets for over 60 years."