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Internorm high-performance large sliding doors are like no other composite sliding door system. Thermally they have market leading passive house U values, whilst also offering unparalleled over-sized architectural solutions.  With multiple configuration options, including moveable corners, frameless glass corners and structural bonded glass mullion details, this system has no limits!

Internorm high-performance large sliding doors range fit seamlessly into your property’s architecture with its varied styles and use of premium materials. Plus, you’ll be able to open up a room with ease thanks to the simple lift and slide mechanism and soft-close feature developed by Internorm.

The combination of materials allows you to have to the best of both worlds; aluminium clad on the outside for security and warm timber or uPVC on the inside. The architectural glazing features triple glazing, which coats the glass with a wafer-thin metal coating and features array of gasses to ensure no gaps remain between each pane of glass. When combined with Internorm’s gapless frames, this will leave you with a uniquely open living area that’s warm and safe all year round.

Internorm high-performance large sliding doors benefits and options:

  • An unlimited choice of colours for outside aluminium surface and inside timber surface – matching your timber/aluminium windows. All-glass appearance for modern glass architecture.
  • Opening width of the sash can be adjusted in such a way that the opening clearance is not reduced. In closed state, sash is situated behind the transom, therefore giving you an undisturbed view.
  • Three attractive handle designs to choose from – available in lockable versions. All hardware parts are integrated (milled-in flush) – for perfect design.
  • Narrow frame profiles giving the greatest possible view – door can be rendered completely on three sides.
  • Energy saving, low glass fibre threshold for optimum thermal insulation and stability – covered with timber profile in the area of the fixed element. Patented for centering of sash and optimum drainage.
  • Patented guide rail with integrated bump stop – concealed in frame – for perfect smooth running and better security protection.
  • Patent for fixed element glazing directly in frame (no visible sash profile) – therefore narrow view widths.
  • Patented glazing system enables glass exchange even with completely rendered frame.
  • Easy lifting and sliding of sash up to 400 kg sash weight. From 150 kg sash weight on additional carriages for perfect smooth running of the sash.

Cherwell Windows is a family run glazing solutions business that offers made to measure high performance windows and doors.

Since 1986, clients have come to Cherwell in the knowledge that they only work with the best suppliers and will be able to choose from the finest products with the latest glazing technology. They will guide you through the process, from your first enquiry, throughout both the installation and post-installation. To give their customers added peace of mind, all their installers are employed, so there’s no messing around with third-parties. Each one is highly trained and multi-skilled to fit any material in all designs.

Not only do they work with Europe’s leading windows and doors manufacturer, Internorm, but they also have products for every solution, including; timber, timber alternative, aluminium, composite and uPVC.

Their brand, Internorm by Cherwell, is proud to have been awarded an Internorm 1st Window Partner. Their range includes the best performing thermally efficient windows on the market that are beautifully made and engineered to your specifications. Each product is available in a choice of three materials; timber/aluminium, uPVC aluminium and uPVC, allowing you to customise your windows to your home.

Internorm windows also benefits from these key features:

  • Passive House
  • Triple glazing
  • Thermally broken windows
  • Integrated blinds – controlled via remote and iPad.
  • Noise Reduction
  • In-frame ventilation systems providing you with a climate-controlled system whatever the weather.

Their other partners include;

  • Evolution Windows – The UK’s leading timber alternative windows and doors specialist
  • Origin Global – The UK’s leading aluminium windows and doors specialist
  • Bygone Collection – The UK’s leading timber alternative sash window specialist.
  • Cherwell Timber – One of the UK’s leading timber window and door specialist.

All their products offer low U values, high security and a wide range of finishes and glass types to suit your project.

Covering Oxfordshire, Buckinghamshire and Warwickshire and Northamptonshire, they have showrooms in Banbury, Beaconsfield and Henley-on-Thames, each with knowledgeable staff that will be happy to talk you through their product range.