Window Systems


Duraflex offer arguably the most comprehensive range of industry leading and energy-efficient PVCu windows. Whether performing to a specific industry standard, enhancing the appearance of your house or simply looking for competitive functionality, Duraflex have something for you. All window ranges can be manufactured in bespoke sizes, shapes and styles to assist design and individuality.

Tilt and turn
A truly versatile product, offering both aesthetic and practical options.
• Larger opening areas are ideal for fire escape openings
•Tilts inwards, for ventilation
• Easier for cleaning.

Vertical slider
Combines the elegance of traditional sash windows with the benefits of modern materials. The absolute best PVCu alternative to traditional timber box sashes.

Floating mullion
Window design allows both windows to open fully.
• Special hinges allow the sashes to open at 90º
• Can be used as a fire escape.

Mock horn and sash in sash
A traditional sash, with modern acoustic and weather performance.
• Provide an enhanced detail for use in heritage / conservation areas
• Security is not compromised for the sake of style

Casement Windows
The most popular design, offering security and energy efficiency.
• Available in a multitude of styles.
• Cutting edge thermal performance
• Q-Lon weatherseal ensures your windows will perform year after year.

Fully reversible windows give a modern feel to any house.
• 180º reversible window for ease of cleaning
• Very good for ventilation.


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Duraflex is one of the UK’s largest extruders of PVCu, and is the complete product offering for fabricators and installers. Duraflex offers full product specification at all levels of the industry, from R&D through extrusion, frame and glass...
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T(02920) 854 428
WVisit Duraflex's website
 Severn Drive, Tewkesbury Business Park, Tewkesbury, Gloucestershire, GL20 8SF

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