Ali-Clad (system x)

All Timber Windows Norfolk Window products are manufactured to the highest quality, and have 60 Years+ Service Life, under Low Maintenance regime up to 80 in less exposed areas. When you choose our high specification Timber Windows, you can be sure that they will provide Style and Endurance for years to come. Due to the modern manufacturing process and the Service Life, TWN’s Windows are Carbon Negative. Our products are designed to save money and CO², whilst meeting and Exceeding, the Energy Efficiency Standards in the UK Building Regulations Recommendations.

The Norfolk Timber Windows System X Window is a high performance, top & side hung fully reversible window allowing the specified to use a common profile to configure six different window operations. This Scandinavian style window complies with the latest building regulations for fire escape & thermal performance.

  •     Opening sashes do not project into room avoiding fouling of curtains or blinds
  •     Top & side hung reversible options with concealed hinges
  •     Built in child proof restrictors
  •     Tested to BS7950. Enhanced Security
  •     Secured by Design Compliant
  •     Outstanding foul weather performance to BS6375 parts 1 and 2

Timber and aluminium composite window.  Available as top turn window with an integral restrictor and fully reversible hinge, to allow easy clean. Also available in side turn 90 degrees hinge and 180 fully reversible.

Technical Details

       U Value                        Glass                     Thickness (mm)

  •        1.3                                DG                               26mm
  •        1.0                                TG                               36mm
  •        0.8                                TG                               36mm
  • FSC & PEFC Softwood
  • Hardwood (Sapele)
  • FSC Laminated Softwood
  • Standard SBD
  • Georgian Bar / Glazing Bar
  • Bay Window
  • Top / side hung