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Aluminium Bi-Fold Doors


Extreme Performance – Aluminium Bi-Fold Doors Made for You

Choose the most captivating design and the most impressive performance with aïr 800 bi-fold doors.

aïr 800 bi-fold doors are the Rolls Royce of aluminium bi-fold doors. They have been engineered to offer captivating aesthetics and impressive performance, to create a bi-fold door that’s ideal for your home.

There are plenty of design options available, so you can create the perfect bi-fold door for your project. Create dramatic, open spaces with bi-fold doors up to 12 metres wide, with an array of frame colours and hardware options available.

Our aïr Accredited Retailer network will supply and install your new aluminium bi-fold doors – click to request a quote from your nearest Accredited Retailer.

aïr 800 bi-fold doors let you create the most captivating openings within your home. They have been designed to let in lots of light and give you truly flexible living spaces. They’re the perfect external bi-fold doors, but they’re great to use inside too, to separate different living spaces.

Our aluminium bi-fold doors are available with up to 10 door panels and each panel can measure 1.2 metres wide and 3 metres high. That gives you the opportunity to open up huge spaces by choosing an aïr bi-fold door. Frame sightlines are as slim as 108mm, so there is minimal disruption to your view.

Performance is impressive too. Our aluminium bi-fold doors have been engineered with the latest technology, including Teflon®-coated seals, to keep the wind out and stainless-steel rollers for a smooth opening every time.

Bi-Fold Doors Gallery

Our aïr Accredited Retailer network will supply and install your new aluminium bi-fold doors – click to request a quote from your nearest Accredited Retailer.

Security is taken care of too. aïr 800 bi-fold doors feature high-security locking and have PAS24 and police-approved Secured by Design certification too.

Designed for extreme weather-resistance, aïr 800 aluminium bi-fold doors have low U-Values and have been tested for wind resistance up to 1800pa – that’s around 120 mph – to keep your home cosy and draught-free.

You can rely on your aïr bi-fold door for years to come too. We offer an industry-leading 25-year manufacturer’s guarantee when purchased through and installed by an Accredited Retailer, and our doors have been cycle tested to open and close 50,000 times – that’s around 277 years of normal use.

Whether you would like an aluminium bi-fold door to replace your old sliding patio or French patio doors, or to create a folding wall of glass, aïr 800 is the perfect choice. We have lots of different configurations to suit your space – download a brochure for more information.

aïr 800 aluminium bi-fold doors are available in any RAL colour and with a choice of special finishes, including aïrcoat, the super durable, textured, dirt-resistant paint. You can match your new bi-fold to your other windows and doors or choose a contrasting colour for a real design feature.

Make your aïr aluminium bi-fold door your own, with our impressive range of exclusive hardware. Serenity handles perfectly complement the bi-fold door design with a range of colours and finishes available to suit your style.

Looking for a bespoke bi-fold door with something extra? You can choose from low threshold options, dual colour frames, integrated blinds or privacy screens for a bi-fold door design that suits you and your space. Talk to your nearest Accredited Retailer for more information.

aïr bi-fold doors can be manufactured with just two panels for standard patio or French door openings, right up to 10 panels wide, for wide-span, folding walls of glass.

aïr aluminium bi-fold doors are completely bespoke. You can configure your new doors to suit your home and how you use it. aïr 800 bi-fold doors offer the option of folding to the left or the right and in or out. Enjoy the convenience of an access leaf for easy entry and exit and even French doors in the middle.

Why aïr Bi-Fold Doors?

As well as captivating design, impressive performance and outstanding durability, choosing an aïr Accredited Retailer gives you access to some of the best installation companies. Our network is hand-selected, chosen for their commitment to high-quality workmanship and customer service, so you get an installation, that’s as impressive as the products.

We’ve Helped Some Amazing Customers! 


“Great doors, and really good service. Really impressed…they had been recommended to us and we were not disappointed. Lovely showroom, very knowledgeable and helpful staff and great doors.”


“The installation team were quick, efficient and skilled. The communication with us was excellent. The end result was exactly what we hoped it would be.”


“The sales person was very helpful and addressed all our questions. I was delighted with the helpfulness of the sales person, quality of products, installation timing and tidiness of the installation.”

25 Year Guarantee*

aïr doors are homely and luxurious furnishings for your home. They're also an investment built to last. Tested to the highest standards of reliability and durability, every set of aïr doors is backed by our extensive manufacturers' guarantee of up to 25 years*.

*Terms, conditions & limitations apply. Please contact your Accredited Retailer for more information.

Aluminium Bi-Fold Doors Gallery

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