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Slimline bi-folding doors

Our contemporary and ultra-slimline BF73 bi-folding doors will enrich your premises with natural light, combining advanced thermal performance and weather sealing.
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KEY FEATURES
Designed for Life
ALUTECH Bi-folding patio doors will span the large openings and give you maximum of everyday comfort keeping your home warm and safe.
Versatility of opening types
Versatility of opening types
Open-in or open-out options as well as folding to one or both directions help to meet any design requirements of your building. Install the bifold with a swing door to organize simple and comfortable everyday operation of the doors.
Comfortable indoor climate
Comfortable indoor climate

Due to polyamide thermal breaks and special gasket system as well as up to 44mm glazing option ALUTECH BF73 bi-folding doors will keep heat in and cold out.

Smooth operation
Smooth operation

Our bi-folding doors are engineered with functionality in mind. An effortlessly smooth and silent operation is guaranteed on a daily basis.

Zero threshold
Zero threshold

Integrated cill and threshold all in one is designed to reduce sightlines and provide barrier-free living.

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Dimensions
Maximum sash height
3 000 mm
Maximum sash width
1 200 mm
Energy performance
Thermal insulation
Ud ≥ 1.2 W/m2 ∙ K (DSER of 'B' BFRC rating)
Acoustic performance
Up to 43 dB
Security
PAS24
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Our projects
ALUTECH glazing solutions for any project. Order windows, patio, entrance doors and curtain walling from one supplier.
more than just a brand
Why ALUTECH
Reasons why you should choose us.
Sustainability
Aluminium is one of the most sustainable construction materials.
Trusted and Certified fabricators and installers
Highly professional team for personal approach to every Customer.
Official warranty
During the warranty period the manufacturer provides service.
Showroom
Full range of products in one place.
Sustainability
Trusted and Certified fabricators and installers
Official warranty
Showroom
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Make your dream home come true with ALUTECH
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Please сall us for more information, support or placing orders. We have an experienced Team who will be glad to assist you with your enquiry.
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Frequently Asked Questions
Please get in touch for the answers to the most frequently asked questions about ALUTECH products.
What is the difference between double and triple glazed bi-folding door?

Triple glazed bi-folding doors give better energy performance than double glazed doors. Triple glazing can reduce heat loss by approximately 30% compared to double glazing so the energy savings are much higher, meaning your heating bills will be lower.

Another important thing is acoustic performance. Noise may be an issue for some people. Triple glazing will offer much better sound reduction compared to double glazing. So triple glazed bi-folding doors is a great option for you if you live in a noisy area.

How to choose a colour for you bi-folding patio door?

House’s exterior creates the first impression. Choosing a colour for the bi-folding patio door you should take into consideration the style of your home and your own personal taste — traditional or contemporary. Aluminium bi-folding doors come in a wide variety of coating types and colours (for example, more than 200 RAL colours of powder coating). Bifolds with wood grain effect coating will be a perfect solution for red brick houses. Silver or bronze anodised profiles of your bifolding door, i.e. sash of frame, will suit perfectly contemporary high-tech style house.

Bi-folding or Sliding doors? Choosing the right option for your home

Both bi-folding and Sliding (or Lift and Slide) doors are the most popular glazing options creating a unified space between inside and outside.

Folding doors are a good solution where you do not have another access to the garden or terrace. One of the panels can be used as an access door for everyday use. Bi-folding doors have a maximum sash width of 1200mm and height of 3000mm and both options of inward and outward opening.

Sliding or Lift&Slide doors have the sash sizes are available up to 3.3×3.2 meters, making them a really attractive option for the most panoramic view. They are also very easy to use with the choice of a number of sliding or lift&slide sashes.

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