Aluminium Bifold Doors

Having a folding and sliding mechanism, aluminium bifold doors consist of multiple door leafs, offer multiple opening configurations and are easy to use like a standard traditional door. In open positions, aluminium bifold doors create maximum clear opening space up to 90% that provides a seamless connection between inside and outside in your property. They offer a balanced solution in terms of natural light and clear opening space that your project requires. 


  • Constructed from thermally broken profiles as standard. 
  • For a typical aluminium bifold door, the visible sightline of the meeting section starts at 120mm up to 180mm. 
  • Most inline sliding doors come with two track options, double track and triple track.

Size Limitations

  • A typical bifold doors have panel size up to 1.2 metres in width and 2.5 metres in height. The door leaf may weigh up to 70kg. 
  • High-end bifold door allow leaf sizes up to 1.2 metres in width and 2.5 metres in height. The door leaf may weigh up to 120kg.

Opening options

  • Inward opening, starting from 2 panels to 8 panels.
  • Outward opening, starting from 2 panels to 8 panels.
  • Opening configurations with traffic door
  • The traffic door option is available for all opening configurations, enabling you to utilize the first leaf as a traditional entrance door.

Colours and Finishes

Typically, aluminium bifold doors offer a variety of color and finish choices, including:

  • A full range of standard powder coated RAL colour options. 
  • Textured metallic finish options 
  • Dual colour options (Different colours for outside and inside)
  • Anodised in satin and bronze colours

Glazing Options

  • Double glass as standard (Ug=1.0 W/m2K, Low-e coating, warm edge spacers) 
  • Triple glass to achieve better thermal performance (Ug=0.5 or 0.6 W/m2K, Low-e coating, warm edge spacers) 
  • For added security, one pane of glass unit can be built as laminated.

Safety & Security Options

  • Aluminium bifold doors usually come with a standard multi-point locking system.
  • Burglar resistance classes of RC2 or RC3 are also available as security options.
  • Secure by Design or PAS24 security option for bifold doors to be installed on ground floors of new buildings.
  • Upgrading one pane of glass unit to laminated glass for additional security.

Weather-tightness Performance

In terms of weather resistance, a typical aluminium bifold door meets the following minimum performance values:

  • Air tightness: Class 4 (600 Pa)
  • Water tightness Class 9A (900 Pa)
  • Wind load resistance: Class C4 (1600 Pa)

Buyer’s Guide to Aluminium Sliding Doors

Open corner solution with aluminium bifold doors

Kitchen with aluminium bifold doors

Aluminium Bifold Doors for Residential Use

  • As a patio door
  • As a balcony door
  • In conservatories 
  • In extensions