The modus range offers one of the most advanced PVC-U window systems on the market today. Rolling contemporary looks, choice of styles, advanced technical design and exceptional energy efficiency into one.

For those wanting a modern touch, the Slim rebate sash offers clean sight lines with an internally flush finish. For a classic look, the modus flush sash is a fantastic, modern alternative to timber windows.

Key Benefits

  • 30 plus colours & finishes including the architectural range
  • 10-year guarantee
  • A-rating for energy efficiency
  • U-values as low as 0.7
  • BBA certified system


  • Slim Rebate or Flush sash
  • Reversible windows
  • Tilt & turn windows
  • Entrance doors
  • French doors

Flush sash – Internally and externally flush sash offering enhanced aesthetics that rival timber windows. French windows also available for an uninterrupted wide opening.

Slim rebate sash – Clean sight lines with an internally flush sash and external slim rebate. This style allows a range of configurations to be manufactured including French windows. It also offers better thermal performance than similar priced aluminium systems.

The modus system utilises 50% post-consumer recycled PVC-U as standard.