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World first for window frames made of bio-attributed PVC
Anouk Mulder (BAM), Freddy van der Werff & Henk van der Vliet (Kumij) Jelmer Bijlsma(Kömmerling)

World first for window frames made of bio-attributed PVC 

Bio-attributed PVC window frames from Kömmerling applied by Kumij in a project by BAM 

With the development and application of plastic window frames made from bio-attributed PVC, profile supplier Kömmerling and window frame manufacturer Kumij, have achieved a worldwide first. Kumij has processed these innovative profiles into window frames and doors for a BAM sustainability project in Steenwijk. The use of this innovation will save approximately 6,000 kilograms of CO2.

Jelmer Bijlsma presents proof of sustainability to Freddy van der Werff

Fossil-free PVC

Bio-attributed PVC is a new development that replaces the fossil raw material with a renewable alternative: residues from sustainable forestry and agriculture. This makes the material many times more sustainable than traditional PVC, with CO2 savings of up to 90%, without sacrificing quality. 'We are proud of this first. It had not been used in the window frame industry before and we see this as an important step in the development of sustainable building materials' said Jelmer Bijlsma, manager Sustainability and Innovation at Kömmerling Netherlands. 
This is the most future-proof product in our market. By applying this innovation, we can reduce dependence on fossil raw materials and increase the sustainability of the plastics industry, said Freddy van der Werff, general manager of Kumij.

Sustainable cooperation

Kömmerling has long been committed to a sustainable future and this development is a perfect fit. Together with supply chain partners, the environmental impact of the entire supply chain has been analyzed in detail, on the basis of which the most sustainable choices can be made. "Our ambition is to make a difference today and take the right actions and decisions for tomorrow's world. It's great to be able to work throughout the chain with partners who are equally motivated to develop sustainably and circularly." said Bijlsma. Kumij, part of market leader VHZ, has produced high-quality window frames from Kömmerling's bio-attributed profiles. "They not only meet all requirements but also deliver a stunning end result," says Van der Werff. 'That of course encourages further expansion of this sustainable and chain-wide cooperation of all parties involved.' 

Raw material supplier INEOS Inovyn actively contributed to the entire process by developing BIOVYN and providing the necessary information to the chain partners. They too see the future in fossil-free PVC. "BIOVYNTM is the perfect solution for those sectors committed to reducing their CO2 emissions, offering the same performance and results as traditional PVC," says Inna Jeschke, Business Unit Manager Polymers at INEOS Inovyn. "We are delighted to see the construction industry relying on bio-attributed PVC as a solution for their sustainable projects," she continued.

Preservation Project

The first project where the certified window frames made of bio-attributed PVC have been used is a sustainability project by BAM wonen. Here, 19 social housing units from the 1970s are being made more sustainable to zero-in-the-meter homes. The project involves a total of more than 100 window frames, in the K-VISION Trend series in a cream color and fitted with pine-green turning parts and high-quality triple-insulated glass. The latter gives these plastic window frames extra good performance, taking the homes to energy label A+++. 
Kumij and BAM Wonen share the vision of offering sustainable solutions that go beyond current standards and regulations. By choosing fossil-free plastic window frames in this project, they show that sustainability and high quality can go hand in hand. 'At BAM Wonen, we are accelerating the energy transition. To this end, we are setting the chain in motion so that our partners and clients take a bigger and greener step, just like us. Our collaboration with Kumij is a good example of this,' says Anouk Mulder, project manager at BAM Wonen.

Kommerling Betephotography2023 Jelmer Bijlsma 11

Innovation for the future

The introduction of bio-attributed PVC window frames marks an important milestone in the building and construction sector. It demonstrates the sustainable evolution of the sector and shows that innovation and environmental awareness are the way forward. With a concerted effort, a sustainable future is actually coming closer faster. The following projects, in the Netherlands and Germany will be fitted with these innovative window frames before the end of this year. Window frames made of Bio-attributed PVC by Kömmerling are now available and can be used on a project basis. 

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