Sustainability and Certifications
Whether you’re building an entirely new house or just replacing your existing windows and doors, you can greatly reduce your carbon footprint, and save a considerable amount of money on your heating bills with our energy-efficient designs.
The excellent insulating properties of our products serve to significantly reduce CO2 emissions, plus, their slim design utilises daylight and free solar heat to keep your home comfortable and warm.
Our sustainability promises
We demonstrate our commitment to sustainability through a number of different initiatives. We like to call these our sustainability promises and we invite you to learn more about them.
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FSC certified timber
We’re certified according to the FSC’s global labelling scheme for sustainable wood and paper, and use only the finest FSC® certified pinewood from Northern European forests, where reforestation is carried out systematically, making the number of trees planted far higher than the amount cut down.
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CE marking
Our products are certified in accordance with the CE marking scheme developed in 2008. This is our way of guaranteeing that you will receive nothing less than a highly reliable product from us.
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Offcut reuse
We carry out waste sorting with 100% accuracy for all waste produced at our factories. Any spare wood and broken glass is returned to the manufacturer for reprocessing, and all offcuts and other forms of timber and wood waste from production are automatically fed back to our heating plant to heat the factories
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Indoor climate label
Rationel windows and doors also conform to the Danish Indoor Climate Label. The Danish Indoor Climate Label standard represents a guarantee that our products are conducive to good indoor air quality, and do not release toxic substances after installation.
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Powder coating
Our powder coating plant is one of the most environmentally-friendly of its kind in Europe, holding Qualicoat and GSB approvals along with qualifying for compliance status with several other exceptional quality standards.
Our eco-friendly powder coating plant is free of phosphates and hazardous heavy metals, minimising the production of sludge and simplifying sewage and wastewater treatment processes to ensure greater ease of maintenance.
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Secured by Design
Rationel Windows are Secured by Design certified (SBD), our windows and doors have been tested and marked according to the police-initiated scheme, read more here
Sustainable windows
All of our timber and aluminium clad windows come fitted with low energy glass panes, complete with argon-filled glazing that’s a much better insulator than air. Once installed, they work to reflect heat back into the room, reducing the need for heating and in turn the release of CO2.
Sustainable doors
Like our windows, our sustainable doors also meet the high sustainability standards we set for ourselves. Using sustainably-sourced timber and equipped with many energy-efficient properties, they’re the number one choice for any environmentally-conscious customer.
Build your sustainable dream home with us
Ready to get started? Get in touch to start your journey today.