Aluna super slim Bifolding Door

New & Improved System

The NEW ALUNA Bifold system features many new and improved features of the known and loved BF73 system. NEW slimmer profile sections boast sightlines of just 107mm with market-leading sash sizes up to 1200mm wide and 3000mm high per pane. The ALUNA Bifold can also be manufactured with up to 7 leaves each way (14 in total). Enjoy silky smooth operation due to engineering-grade hardware plus improved thermal performance with U-values as low as 1.1 U/m2K. Also benefitting from and high security, compliant to PAS24:2022 standards, the ALUNA Bifold system is ideal for opening spaces up to the outdoors and creating a visually stunning addition to any property. The new sash extension is another improved feature to the ALUNA Bifold, offering ease of fabrication and requiring less gaskets, enhancing overall operation and experience.  
Plus, try our NEW pre gasketed clip in bead for quicker installations.

Bifold colours

Our ALUNA bifolds, French and single doors are available in any RAL colour upon request. The standard colours that we have in stock are Grey 7016 (Matte), Black 9005 (Matt), White 9016 (Gloss), Grey 7016 (Matt) on White 9016 (Gloss), Black 9005 (Matt) on White 9016 (Gloss), Textured Grey 7016.
AJ Aluminium can also manufacture Bifold doors in any RAL colour. 

TECHNICAL DETAILS AT A GLANCE

  • Market-leading maximum sash sizes up to 1200mm x 3000mm 
  • Maximum vision – minimal sight lines of only 107mm or 120mm 
  • Maximum security- PAS24: 2022 certification 
  • U Values as low as 1.1 with triple glazing and 1.4 with double glazing (U W/m2k) Maximum weather proofing – tested to BS6375 Part 1 : 2009 
  • Single or dual colour. Factory powder coated to marine quality as per approved Qualicoat regulations 
  • 120kg per door leaf providing for the openings
  • Engineering grade running rollers for a smooth and silky opening and closing operation 
  • Trickle vents can be added