Looking for the door of your Dreams? Use one of our Door Designers to design and build your dream door now.

Aluminium Multifolding Doors

Open up your home - instantly

Versatile and practical, aluminium multifolding doors, often referred to as bi-folding doors are manufactured to meet your requirements.

Openings of up to six metres can be achieved in an instant allowing the outside to become integrated with the inside.

Flexible Living Spaces

Giving you added flexibility to your living space, aluminium multifolding doors can be used either internally or externally. However, the most popular usage is as a wall separating a room from the garden.

The Standard 'Choices' Aluminium Bi-fold door is the Optio BSF70

Interlock Detail

Design Features

  • Internally beaded with a softline sash
  • Stainless Steel Wheels
  • Unique flush line pop up handle
  • Magnetic catch for prime/slave leaf
  • All configurations open in and open out


  • Low Threshold (no weather rating)
  • A range of RAL single or dual colour
  • PAS 24/Doc Q
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Design Features

  • Thermally broken aluminium sections
  • 28mm sealed unit
  • Black or White lever/lever prime handles
  • Black or White internal pop-out handles
  • 'U' value 1.7Wm2K


  • Mechanically jointed outer frame
  • 'U' Value 1.5Wm2K with triple glazing
  • Brushed chrome prime handles


Anthracite Grey

Anthracite Grey/White

Design Your Dream Door

Use our Solidor Door Designer to design and build your dream door now

Your Door Your Way

Use our Residor Door Designer to design and build a Residor Composite door exactly how you want it.
Want to find out more? Request a Callback from Norwich Windows and Conservatories Ltd at a time that suits you.

Looking for the door of your Dreams? Use one of our Door Designers to design and build your dream door now.

We are leading double glazing specialists covering the East of England providing quality Windows, Doors, Conservatories and Orangeries in UPVC and Aluminium systems
Norwich Windows and Conservatories Ltd, 
4 Hurn Road, Drayton, 
Norwich, Norfolk 

Phone: 01603 408007
Fax: 01603 408081
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