Rationel Windows & Doors
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With more than 60 years of product innovation and development, Rationel is one of Europe’s leading window and door brands with a reputation for quality and innovation, and with a solid distributor network. Founded in Denmark in 1954, Rationel is now part of the DOVISTA Group of leading window and door companies, and every year makes and delivers over 350,000 windows worldwide. Rationel windows and doors are available in designs to suit both contemporary homes as well as traditional British architectural styles.