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Welcome to Duraflex Window Systems


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.

Established in 1953, Duraflex is part of the UK Windows & Doors Group Ltd and operates from its impressive 275,000 sq/ft purpose-built extrusion facility in Gloucestershire, from which it has built an enviable reputation for quality, service, and as a proven partner to its long-standing customer base, ranging from industry start-ups to the UK’s leading fabricators.



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