Residential Casement Windows

Ali WindowThis classic window comes in a wide range of styles and designs including top, side and bottom hung.

A vast array of available hardware allows for full customisation in terms of security, weather and functionality.

Windows can be made to project in out and to suit a variety of applications

Design Features

  • Internally or externally glazed options
  • Flat, chamfered or sculptured details to achieve traditional or contemporary appearance.
  • 58mm or 70mm frame depth to accommodate varying types of applications
  • Integrated deep head profiles for ease of trickle ventilation
  • Unique polyamide thermal break design to improve thermal performance
  • Double or Triple glazed options
  • French Window option


  • New build or refurbishment projects
  • Domestic and light commercial
  • Residential and social housing
  • Low, medium and high rise
  • Conservation and heritage areas
  • Listed and period buildings
  • Conservatory walling

Optimum Performance

  • Window Energy Rating
  • Level 4 – Code for Sustainable Homes
  • The system has been tested for BS4873 & PAS024
  • Air Permeability – 600pa
  • Water Tightness – 600pa
  • Wind Resistance – 2400pa
  • U Value as low as  1.3 w/m2 K (DG Unit)
  • BBA Accredited


  • Accommodates 24mm – 44mm DGU’s for thermal and acoustic performance
  • Dedicated fixing straps for ease of installation
  • Full range of customisable hardware available
  • Available in single and dual colour options including metallic finishes