Alitherm Plus

About Alitherm Plus

Alitherm Plus joins the Alitherm 47 Door to give the option of a robust domestic entrance door and an alternative to the Visoline light commercial door. Fabricator and fitter friendly, the new Alitherm Plus door is designed for ease of manufacture and installation.




Alitherm Plus has new adjustable hinges, lock keeps and additional sash passing clearance to allow for greater on-site fitting tolerances.

Alitherm Plus features:

  • New adjustable hinges and lock keeps
  • Single and double doors use multi-point locking mechanisms
  • Double doors feature dual lock mechanisms enabling handles on both sashes
  • Door sections & hinges are designed with added strength delivering robust performance
  • Internally beaded for open in and open out doors
  • Profiles are contemporarily styled with a modern, square-edge design
  • Low thresholds comply with Document M building legislation
  • Z/T sash sections allow for greater coverage and weather resistance

    Technical Performance

    • Material:
      Aluminium polyamide
    • Finish:
      Single or dual colour polyester powder coat
    • Air:
      Class 4
    • Water:
      Class 9A
    • Wind:
      Class AE, 2400Pa
    • Security:
      PAS 24:2012

    Technical Dimensions

    • Sliding Door Weight:
      1,000mm (sash)
    • Sliding Door Weight:
      2,500 (sash)
    • Sliding Door Weight:
    • Single Door Width:
      1,000mm (per sash)
    • Single Door Height:
      2,500mm (per sash)
    • Single Door Weight:
      100kg (per sash)