Technical details ALS50 - FL Custom


ALU+ limited



  • Adjustable Louvre System (ALS50) with flange mounting and a blade pitch of 50mm.
  • Z-shaped louvre blades


  • All parts are manufactured from aluminium extrusions Al Mg Si 0,5 (6063 T6)
  • Blade profile thickness: 1.35mm.
  • Frame profile thickness : 2mm

Finish :

  • Natural anodised 15-22micron
  • Polyester powder coated - BS6496
  • Powder coating in any RAL or B/S colour available
  • Thickness of powder coating 40 micron minimum

Protection :

  • Water drainage channel fitted to the rear of the louvre
  • Fibre glass insect/bird mesh fitted as standard
  • Stainless steel and gas/rodent meshes available as an option








  • The louvre consists of a flanged mount profile.
  • The blade height is 58mm, depth is 40.2mm, & the open position visual free area is 69%.
  • Frame depth to fit 100.7mm.
  • All blades fitted with suitable sealing gasket
  • Max manufacturing size of 1200(W) x 2200mm (H)
  • Louvres up to 1200 x 1200mm are manually operated with a lockable hand wheel. Louvres over this size:
  • Come with hand operated winder or eyelet to receive telescopic crank handle.
  • Electric Motor – Fully open and Fully closed positions
  • Other controls available upon request


Custom made by our skilled Craftsmen to your exact requirements