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Rehau Profile

REHAU is a world leader in polymer solutions. The German brand is known for premium performance and distinctive design. Founded in 1948, REHAU is now established in 170 countries. The combination of cutting edge technology and style has established them as market leaders with expertise and experience on a local level.

REHAU were one of the first companies to produce and sell uPVC window systems in the UK and they are now one of the largest uPVC manufacturers in the UK.

Their range includes everything from casement windows, bay windows, windows that tilt and turn or heritage vertical sliding sash windows. Doors come in all shapes, sizes and styles too - French doors, stable doors, patio doors, multi-fold doors etc. The choice is yours and the quality of the uPVC means they’ll look like new for years. uPVC windows and doors are virtually maintenance free and they’ll never warp, rot or need painting.

One of the most immediate benefits of choosing uPVC replacement windows and doors is the peace and quiet that they bring. All REHAU window and door systems can radically reduce outdoor noise levels.

Security for you and your home is paramount. REHAU’s window and door systems are made from only the highest quality uPVC and designed to provide rigidity and strength, and to allow the highest performance locking mechanisms to be fitted.

REHAU’s window and doors all comply with BS 7950 and PAS 23/24 standards governing security and are able to achieve Secured by Design certification.

As well as meeting the highest Energy Saving standards, REHAU’s main UK systems have been tested in accordance with, and meet the highest requirements of BS 7412 for weather performance and air leakage. They are kite-marked to BS EN12608 for extrusion standards (Licence No.13358), which incorporates BS EN ISO 9001 for company procedures. And of course, they comply with the necessary building regulations.

Environmentally friendly

REHAU uPVC systems have excellent thermal properties and can achieve high levels in energy efficiency. With an expected life in excess of 35 years and the capability of recycling all uPVC parts at the end of their service, REHAU windows and doors play a significant part in delivering a reliable and sustainable future. REHAU uPVC window and door systems are very low maintenance, containing a unique compound resulting in a smooth gloss finish – guaranteeing that they will retain their pristine appearance.

REHAU are also committed to minimising their impact on the environment. Their green credentials speak for themselves. For years they have championed environmentally friendly products and production processes. REHAU hold the British Standards certification BS EN 14001 for environmental standards and their uPVC windows are rated A and A+ by the British Research Establishment Green Guide for Recyclability (

By choosing REHAU you can be rest assured that you are choosing an environmentally friendly solution.

Windowmate companies are registered in Northern Ireland

  • Windowmate (NI) Limited NI605859
  • Windowmate (East Belfast) Limited NI619232
  • Windowmate (Fermanagh) Limited NI049995
  • Windowmate (Cumbernauld) NI019016
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