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Building a sustainable home

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Deceuninck UK

About Us

Founded in 1937, Deceuninck is one of the world’s major PVC-U window and door systems companies. Deceuninck has been established for over 30 years in the UK, with production, distribution and head office in Calne, Wiltshire. It is in the top three in most major world markets, and is a leader in innovation, sustainability, colour and design.

Deceuninck helps build a sustainable home. Based on our core technologies of PVC extrusion and patented Twinson material, we create innovative building solutions for windows & doors, outdoor living, roofline & cladding, and interior. Our solutions meet today’s demand for timeless and elegant design, while striving to achieve the lowest possible ecological footprint.


We are here to develop engineered materials in PVC and wood composites; through our science and decades of know-how. With these materials, we create innovative solutions for windows & doors, outdoor living, roofline & cladding, interior. Our systems are easy to manufacture, easy to install and easy to maintain.


We are here to help you build a home that is more energy-efficient to live in. We create long lasting, low maintenance building products with top insulating properties. Our products are created with the lowest ecological footprint, and can be fully recycled at end-of-life.


We are here to help you to express your own style, in the architecture and the beauty of your home. We are here to help you protect your home and your family from the elements. We offer a unique range of colours and surface finishes. Next to its long lasting properties, our products have a timeless design, resulting in a 50+ year life cycle.

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Deceuninck Recycling

Deceuninck provides a fine example of product circularity by recycling PVC windows and doors.

Deceuninck, headquartered in West-Flemish Gits, has been producing PVC window and door profiles for over 75 years. However, PVC does not have the best reputation in 2019: everyone wants as little 'plastic' as possible in his life. Yet we are confronted with it every day: at home, at work, at school, which is understandable because plastic, in all its variants, is a rewarding material. This also applies to Deceuninck products. A PVC window that is installed today is assumed to have an economic life of more than 50 years without serious aging phenomena and with a minimum of maintenance. In terms of insulation, PVC also scores remarkably better than the alternative aluminium window: thanks to the lower thermal conductivity, a PVC window achieves up to three times higher thermal insulation efficiency. Finally, an evolution in design has ensured that a beautiful and timeless design is available for every taste.

However, the most important message is that PVC is, in principle, infinitely reusable. This is why the renewed recycling unit of Deceuninck is of crucial importance. About 45,000 tons of PVC will be recycled on the site every year, which is equivalent to two million old windows being saved from landfill or incineration. The unit will be able to process up to four times more waste than was the case until now. This investment makes Deceuninck Recycling the largest recycler of hard PVC in the Benelux.

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