Lumi Glass-Fibre Windows

Lumi Glass-fibre windows from Window Wise Trade
Lumi glass-fibre windows from Window Wise TradeLumi glass-fibre windows from Window Wise Trade

Lumi glass-fibre windows

Lumi glass-fibre windows is a groundbreaking new range of customisable, frameless triple glazed windows. With their completely flat, uninterrupted profile these radically styled windows bring a wall of light to your home.

Lumi glass-fibre windows from Window Wise Trade


A triple glazed unit bonded to an internal core of high strength, fibreglass profile.

External Finishing

A band of ceramic colour has been fused at 700 degrees to the glass inside the glazing unit. Available in eight different colours, fully protected from the elements.


Technical features of Lumi system

Profile system

  • 80mm frame depth.
  • Double seal gaskets.
  • GRP (Glass Reinforced Plastic) frame and sash reinforced with aluminium corner cleats and structural adhesive.

Thermal insulation

  • Thermal transmission coefficient window up to Uw=0.7 W/(m2k)
  • Thermal transfer coefficient of glazing up to Ug=0.6 W/(m2k)

Glazing units

  • 50mm triple glazed units, (6-4-4) toughened glass for maximum insulation and noise reduction.


  • Inserted EPDM gaskets for excellent thermal performance.


  • High security Winkhaus lock system.
  • Kitemarked glass.
  • 130kg hinges as standard.

Hardware fixing

  • The hinge and lock components are fixed through rivet nuts for efficient load transfer.

Maximum sizes

  • 2700mm x 1300mm for fixed units.
  • 2400mm x 1100mm for opening casement.