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slim sight lines
110mm Sightlines
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Expertly Crafted

Overview

The latest on-trend steel replacement bifolds in the style of classic metal doors.  All the functionality and desirability of a bifolding door in a Heritage or industrial style. 

With advanced performance, high security and top-of-the-line design and engineering, these outstanding bifolding doors give a steel look and feel, and a beautiful design. 

Sightlines start from 110mm with our Origin OB-49 bifolding door, giving you well-proportioned aluminium bifolds with slimline glazing bars in a choice of designs.  Best of all, you get all the functionality and appeal of a bifolding door with that desirable flush threshold connecting your inside and outside spaces. Also available are matching windows, single or double doors. 

Technology & Design

Steel replacement bifolds achieve the correct appearance starting with the right choice of product.  We use slimline bifolding door systems with narrow insulated aluminium profiles.  These then come with professionally applied horizontal glazing bars, achieving that desirable steel look.  

Choosing the right colour is important to get the right overall appearance with black matt or dark grey finishes being the most popular.  Durable, colour rich and low maintenance, all that’s needed is a routine clean of your door frames to keep your new doors looking good for years to come.

Just like our fully glazed doors, these are German-engineered for the best in performance and reliability.  The doors come bottom hung, taking all the weight at the bottom for a smoother glide and light operation. This design also means no risk of bowing or deflection at the head of the frame and makes steel calculations for new extension planning easier too. 

Our steel replacement bifolds come with four different threshold options giving you fully weathered to ramp-type low thresholds for disability access or internal room dividers. 

steel replacement bifolds in a new kitchen

Product Details

Traditional or contemporary styled steel replacement bifolds are ideal as a replacement for your old patio doors as well as enhancing your new extension or renovation project.   Choose from doors from 2 up to 10 panels, opening in or out, sliding in many different ways and even including an open corner option.  We can even integrate an opening window into a door panel.  

  • Customised bifolding doors providing a beautiful steel-look appearance. 
  • Choice of slim or standard glazing bars giving you a choice of aesthetics. 
  • Slimline door mullions, giving you one of the thinnest bifolds on the market.
  • Offers both Heritage and a contemporary appearance within one product. 

white steel replacement bifolds inside a lounge

Personalisation

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.  Then you have the option of integral glass blinds with any of our double or triple glazed units. 

For houses in city centres or prone to noise, talk to us about our acoustic glass options.  For enhanced security, laminated glass provides an additional layer or protection with improved acoustics too.  For south facing elevations 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. 

Security & Performance

  • Doors come certified to 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 excellent U-Values. 
  • Doors come tested to the latest standards for air, wind and water achieving 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. 

Product Features

Hardware

Your contemporary steel-look bifolding doors operate smoothly and efficiently thanks to sophisticated rollers and guides. Designed for the product, the premium bifold door hardware is functional, looks attractive where visible, and incredibly reliable. You can even choose core components in stainless steel, colour matched or range of standard colours.

The locking system, door hinges, bifold door track and other components are the latest in engineered door hardware. Your new bifolding doors have all the performance you want with superior slide and fold action, high security and with excellent weather performance.

Achieving an authentic steel-look are professionally applied glazing bars, neatly cut and factory or site applied. Externally, quality door magnets retain your doors in the open position. Even the finger-safe gaskets come in easy-clean materials and with the option of colour matching to your doors without the black gaskets found in other products.

All this engineering and design together with a beautiful looking door in your home provides you with an industry-leading 20-year guarantee.

Schuco ASS80 bifolding door handle

Glass

As standard, your doors come with toughened safety glass, having a soft-coat low-emissivity coating, warm edge spacer bars and argon gas fill. This glass is of the finest quality for clarity and energy efficiency.

You can upgrade your glass to other solutions depending on the location of your new bifolding doors. For instance, south-facing elevations may benefit from solar control glass or the latest integral glass blinds. These sit permanently within the glass, never need cleaning, won't gather dust and do away with after-market curtains or blinds.

steel replacement bifolds in a new kitchen

Colour

These steel look doors look outstanding in a black or dark grey finish. Or you can choose from over 150 other colours. Every one comes professionally applied by certified applicators. At the same time, they provide durability while protecting the aluminium profile beneath the surface.

The quality of the powder-coated finish can be seen and touched, adding to the overall elegance of these contemporary, slim and beautiful bifolding doors.

colours available with Dutemann Glide-S sliding door

Energy Efficiency

Your new bifolding doors exceed the requirements of current Building Regulations with an excellent performance figure of 1.5Wm2K with a standard unit and as low as 1.2Wm2K with a triple glazed unit.

Therefore, your new doors help keep your home warm in winter, cooler in the summer and help save money on your energy bills.

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