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Bigger window sizes
Largest panel sizes
slim sight lines
Slimmest 105mm mullions
Expertly Crafted
Expertly-crafted doors


Dutemänn FD85 Bifolding Doors make your new extension spectacular with their high-tech European design and best of British craftsmanship.  Even better, the extended size capability of these highly engineered doors gives you the views of a sliding door when closed and all the benefits of bifolding doors.

Cutting-edge design, contemporary flat lines make this elegant door distinctive and visually appealing in your home.

No other door on the market offers panels as large as Dutemänn FD85 Bifolding Doors.  Larger panels for better views and reduced visible aluminium too.

Provided with high-end door handles and hardware and also having some of the best-designed rollers and carriages on the market, this bifold provides an ultra-smooth slide and fold action. Open up your home and connect your inside and outside spaces with ease.

Our premium bifolding door product, with cutting-edge design and performance, expertly installed and with a 10-year guarantee

Technology & Design

Advanced in aluminium and hardware – Avante Garde in design. Dutemänn FD85 Bifolding Doors come to you as a result of years of design, in engineering these doors to work best for the UK market.

First of all, is the ability of these doors to come with only three panels where most other doors must have four.  You benefit from fewer panels as well as less visible aluminium. Fewer panels also make for these doors looking like a three panel sliding door when closed.  These doors come at maximum panels sizes of 1.35m.

Then it’s the super-slim 105mm sightlines. The Dutemann door is one of the thinnest on the market today.  The superb lines combine with a modern flat look to the aluminium.  As a result, these doors look better, elegant and blend better into your interior.  Regardless of size, the quality and thought behind these doors benefits you with impressive rigidity and strength. Everyday use is effortless. Performance is excellent.

Product Details

Every detail of these advanced doors comes designed for the best appearance, functionality and practicality.  Our Schuco doors meet virtually every requirement for a new luxury bifolding door in your home.

  • Slimmest sizes with just 105mm mullions.
  • Door panel sizes of up to 1.35m wide for fewer panels
  • Heights up to 3 metres for larger more impactful doors
  • Square and flat appearance inside and out
  • Effortless slide and fold action.
  • Finger safe gaskets between the doors

dutemann doors with blinds


Making your new bifolding door personal to you starts with your choice of colour.  Choose from  over 150 RAL colours to match your house style or interior decor either in a single or dual shade. As well as powder coated colours, we offer our doors with anodised metal finishes or textured powder coated surfaces.

Your glass choices extend to options for enhanced security, privacy and shade as well as acoustic and solar protection.  Choose from double or triple glazing. 

For houses in city centres or prone to noise, talk to us about our acoustic glass options.  Or make the glass and security better with laminated glass, providing an additional layer of protection with improved acoustics too.  If your property faces south, we offer a choice of solar glass options such as tinted glass or glass designed to reduce the effect of the sun’s rays on your furniture or fabrics.

Choose colour-matched or contrasting door furniture in satin stainless steel, anodised aluminium, black or white.

light grey bifold doors in a new extension

Security & Performance

  • FD85 Bifolding Doors come with the latest in maximum security locking featuring a specially designed Quad Bolt locking system. They also hold the latest European Standards and subject to design hold PAS24 Security for doors.  Multi-point locking with security cylinders provided as standard.
  • Doors meet current Building Regulations for thermal performance with U-Values of 1.0Wm2K with high specification glass units.
  • Special door seals and gaskets throughout protect against air, wind and water. Dutemann doors come with an excellent rating, keeping your home dry and protected.
  • Powder-coated or anodised finishes to the latest British and European Standards for quality and durability and also available with a more durable marine-grade finish

dutemann door handle

Product Features


The sophisticated locks and general component design found in Dutemänn FD85 Bifolding Doors ensures years of trouble free operation and use. High-grade metals, robust fixings, smooth rollers and safe guides at the head. Not only are these doors some of the smoothest, but with impeccable attention to detail and quality.

It is also the quality hardware with slim strong aluminium profiles, making Dutemann one of the few doors on the market capable of 3 metre door heights.

Luxury door handles, smooth operating intermediate handles and reliable door catches. All these components and more help keep your door safe locked and held in place open.


Quality glass units make your exceptional Dutemann folding sliding doors secure, safe and always protecting your home. This glass also helps with impressive energy efficiency and helping lower your energy bills.

Glass units come with warm-edge spacer bars, a soft coat low-emissivity coating and argon gas-filled to both toughened or upgradable laminated glass. As with all our bifolds, these crafted doors offer other options for self-cleaning, solar control or acoustic glazing.


Choose from a vast range of contemporary powder coated and anodised metallic finishes, giving you a contemporary looking bifolding door with durable, low-maintenance colours.

Powder-coated colours come in over 150 different colours as well as the latest generation of metallic shades, textured surfaces or a different colour inside and out.

For an even more striking door, look at anodised finishes, offering silver, black, grey, bronze or gold colours in a classic metal appearance and with the best surface coverage and durability.

These bespoke bifolding doors come with a professionally applied colour with a 10, 15 or 20-year guarantee depending on the colour and application.

colours available with Dutemänn FD85 Bifolding Doors

Energy Efficiency

Thermally insulated profiles work with the super energy efficient glass. Your home remains well insulated thanks to the high-performance features of these doors and their excellent overall performance.

A warmer more comfortable home in the winter and better interior temperatures in the summer. For new extensions, Dutemänn FD85 Bifolding Doors exceed the requirements of current Building Regulations. You can also make your new bifolding doors even more energy-efficient, by choosing triple glazing for the best performance.

Dutemänn FD85 Bifolding Doors

Some of the images on our website are indicative images illustrating how products may look. Please contact us for full product details and specifications.