WINDOW PROFILES | PROCESSING
Window profiles were one of the first extruded products to embrace sustainability – by using recyclate – and the trend continues through initiatives such as the use of bio-derived PVC
Frame work: latest in window profiles
Sustainability came early to the window profiles sector, with new windows using increasing amounts of recycled PVC – gathered from end-of-life window frames. The use of recyclate continues to increase – and manufacturers are also using other sustainable materials. Window profile producer Kömmerling is using a sustainable grade of PVC – made from renewable feedstock – in renovation and construction projects in the Netherlands this year. The bio-attributed material, called Biovyn, has been developed by Ineos subsidiary Inovyn. The first project is to renovate 19 rental apart- ments to turn them into net-zero-energy social housing. It will be the first construction project in the world to use certified bio-attributed PVC window frames, according to the company. Here, a total of 113 windows and doors from
Dutch profile series K-Vision Trend are being installed, with cream-coloured frames, multiple
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dark green foiled casements and triple glazing. By the end of 2023, two more projects with
bio-attributed profiles by Kömmerling should be completed in the Netherlands: a new housing estate; and the renovation of 73 residential buildings. Other projects are also being planned in Germany. Another project being realised with bio-attribut-
ed PVC profiles by Kömmerling is an ecological housing settlement called SmartCity from the company Viebrockhaus, which is being built in Harsefeld, Germany. Here, Kömmerling’s partner Heinrich Meyer-Werke Breloh supplies highly thermally insulating elements of the Kömmerling 88 centre seal system. “Biovyn’s unique properties have spoken to yet another sector where more sustainable solutions are required to reduce CO2
emissions,” said Inna
Jeschke, manager of the polymers division. Biovyn has a carbon footprint that is 90% lower than traditional PVC, says the company.
� September 2023 | PIPE & PROFILE EXTRUSION 13
Main image: Kömmerling is to begin installing window frames made from ‘bio-attributed’ PVC in the Netherlands this year
IMAGE: INOVYN
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