Alutech BF73

High-specification bifolds, class-leading design

Slim sightline contemporary bifolds, for property renovations and building projects.

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A complete window and door solution for your property project.

Quality-made Alutech BF73 Bifold Doors

Made in our modern factory, Alutech BF73 bifold doors provide a stylish, folding sliding door solution for residential property and light-commercial applications with excellent specifications and premium features. Ideal for replacing any dated patio doors and adding style to a new extension or building project.

Available in multiple configurations, including matching single or double doors and convenient traffic door option, Alutech BF73 are renowned for their reliability, functionality and flexibility.

Alutech BF73 open bifolds showing a renovated kitchen
Alutech BF73 closed grey bifold doors in brick opening

Design and Engineering

Your new Alutech BF73 bifold doors give you the latest-generation aluminium with a quality powder-coated or anodised metallic finish, combined with high-specification glass units. High-quality components deliver a smooth folding sliding door designed for reliable and dependable use.

The excellent specifications of more premium bifold doors at a very attractive price, Alutech BF73 bifold doors feature slim mullion sightlines of just 120mm, providing bigger glass sizes, more light and better views. Flexible size capability, with door panels up to an impressive 1.2m wide and 3.0m high, meets the requirements of most property projects.

Security and Energy Efficiency

A five-point multipoint locking system, including a premium-quality key cylinder, work with robust, attractive door handles to the primary leaf. Intermediate panels come with deep-throw shootbolts, operated by standard or locking rotating handles. Alutech BF73 is a solid and secure folding sliding door, tested to the latest security requirements and meeting Document Q for new build homes.

Depending on the glass specification chosen, U-Values as low as 1.4Wm2K meet the latest Building Regulations, including ventilation requirements with slim and discreet trickle ventilators in the frame head where required in new build or replacement applications.

Image showing bifold door profiles and triple glazing

Personalisation Options

Available from two panels up to eight, including corner designs and with a lower-set 20mm low track option, Alutech BF73 doors come in the full range of RAL colours, including dual colours, marine-grade coatings or special finishes upon request. The premium door handles come in a choice of finishes, including silver, chrome, black or gold.

Our homeowner customers benefit from an affordable, locally-made bifold door promising to enhance any dwelling. Aluminium Doors and Windows Ltd also provide the Alutech BF73 for the trade on always-reliable fast lead times in standard or special colours and at excellent prices.

For new build or replacement projects

Quality Debar hardware

Matching single or double doors

High-specifications at an excellent price