Dualframe 75 mm Si Tilt Before Turn Window

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The object content is configured for use in UK, but it may also be suitable for use in other locations.


Aluminium windows in tilt and casement configurations with enhanced thermal performance. The windows can be constructed to form fixed and opening lights, as combination frames or as separate coupled lights.


  • Dual colour available; differing finishes internally and externally possible.
  • Drained and ventilated glazing; nitrile rubber gaskets.
  • Double weather stripped profiles with two multi-chambered polyamide thermal breaks, mechanically jointed.
  • Size (maximum) as manufacturer's table.
  • Trickle ventilators available.
  • High levels of weather performance and thermal insulation.
Platform Compatible Version Certified to
IFC IFC 2X3 2 1.3
Revit Revit 2015 + 2 1.3

  • Properties and values
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  • What's Changed?

Properties and values


More information

  • NBS specification data
  • More BIM objects

    What's Changed?


    Changes to reflect updates to the NBS BIM Object Standard v1.3

    • Removal of Uniclass2 property
    • Addition of Uniclass 2015 properties
    • Addition of COBie Category property value

    Objects have also been updated to Revit 2015