The Alitherm Plus residential door takes its place alongside the Alitherm 47 Door, giving the option of a robust performance, domestic entrance door and an alternative to the Visoline light commercial door.

Fabricator & Fitter friendly; the new Alitherm Plus door is designed to be easier to manufacture and install. New adjustable hinges, lock keeps and additional sash passing clearance allow for greater on-site fitting tolerances.

  • New adjustable hinges and lock keeps
  • Single & 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

Brand Alitherm
Material Aluminium Polyamide
Dual Colour Yes
Thermally Broken Yes
NBS Available Yes

Air Class 4
Wind Class AE, 2400Pa
Water Class 9A
Document L Compliant Yes
Kitemark Yes
BS 6375-1:2009 Yes
BS 7950:1997 Yes
BS 4873 Yes
PAS 24:2012 Yes

Single Door Max Width (mm) 1000mm (sash)
Single Door Max Height (mm) 2500mm (sash)
Single Door Max Weight (kg) 100kg
Double Door Max Width (mm) 1000mm (per sash)
Double Door Max Height (mm) 2500mm (per sash)
Double Door Max Weight (kg) 100kg (per sash)