Aluminium Bi-folding Doors

Our aluminium Bi Folding sliding doors will give your home individuality and character. A Bi-folding Door will open up a room to light and over a 90% clear opening, with flush floor levels from inside to outside. Bringing the outside inside and creating a functional and open space for living, working and entertaining. Bifolds give you a very aesthetically pleasing alternative to conventional Sliding Patio Doors.

We have been manufacturing made to measure aluminium bi-folding doors since 2005, and were officially the first UK Manufacturer to offer aluminium bi-fold doors to the trade. We are one of the UK's largest manufacturers of aluminium Bi-folding doors. With over 25 years of experience, a 10 year guarantee, competitive prices and specialised support its no wonder we are first choice for folding sliding patio doors.

Durafold 1000 Bi-folding Doors

Durafold 1000 Aluminium Bifolding DoorsOur Durafold 1000 Aluminium Bi-folding Doors are our slimmest bifold doors. They have a fantastic range of colours including our Trend colour range and feature our fantastic Pendulum handle range. They slide and fold with ease and provide fantastic security.

Door Features

  • Square or rounded profile.
  • Square or chamfered glazing bead.
  • Pendulum handle range.
  • Our slimmest Bifold.
+ Help Me Choose Video
Material Aluminium
Orientation Open In
or Out
Grey Gaskets TBA
White Gaskets TBA
Low Threshold Option Yes
Slimness (mm) 132 ¹
Profile Depth (mm) 74.5
Energy Rating N/A
U Value (W/M2K) 1.7 ²
Max Width (mm) 6250+
Max height (mm) 2400
Air Permeability (Pa) Pending
Water Permeability (Pa) Pending
Wind Resistance (Pa) Pending
Security Bifolding Door rated 5 stars for security
Price Bifolding Door rated 4 stars for price
Aesthetically Pleasing Bifolding Door rated 4 stars for looks

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Continental Folding Doors

Continental Aluminium Bifolding DoorsOur Continental Folding Doors are made of strong, slim aluminium profiles, with high specification hardware. They give high weather performance and security. These are a very attractive alternative to conventional sliding patio doors.

Door Features

  • Rounded profile with a square or chamfered bead.
  • Easily colour co-ordinate your doors.
  • Fatastic Pop out T-handles.
+ Help Me Choose Video
Material Aluminium
Orientation Open In
or Out
Grey Gaskets Available
White Gaskets Available
Low Threshold Option Yes
Slimness (mm) 140 ¹
Profile Depth (mm) 70
Energy Rating N/A
U Value (W/M2K) 1.7 ²
Max Width (mm) 6250+
Max height (mm) 2500+
Air Permeability (Pa) 600
Water Permeability (Pa) 600
Wind Resistance (Pa) 2400
Security Bifolding Door rated 4 stars for security
Price Bifolding Door rated 4 stars for price
Aesthetically Pleasing Bifolding Door rated 5 stars for looks

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Smarts Mullion Bifold Doors

Smarts Mullion Aluminium Bifolding DoorsSmarts Mullion Bi-folding Doors are tried and tested, and we have been manufacturing these aluminium Bifold doors since 2005. They have proven themselves to be hardwearing durable doors and due to their floating sliding mullion they slide with ease.

Door Features

  • Square or rounded profile options.
  • Square and chamfered bead options.
  • Floating Sliding Mullion, for easy-glide opening action.
Material Aluminium
Orientation Open In
or Out
Grey Gaskets N/A
White Gaskets N/A
Low Threshold Option Yes
Slimness (mm) 185 ¹
Profile Depth (mm) 70
Energy Rating N/A
U Value (W/M2K) 1.8 ²
Max Width (mm) 6250+
Max height (mm) 2500
Air Permeability (Pa) 600
Water Permeability (Pa) 300
Wind Resistance (Pa) 1200
Security Bifolding Door rated 3 stars for security
Price Bifolding Door rated 4 stars for price
Aesthetically Pleasing Bifolding Door rated 3 stars for looks

Read More

Watch MovieStill Not Sure Which to Choose. Watch Our Help Me Choose Video, Which
Compares our Durafold 1000 and Continental Folding Doors.

¹ Sizes given are correct for the majority of door configurations, however some door styles require adaptor parts which may result in discrepances, please see our technical manuals for exact sizes.
² These statistics apply when using 90% argon gas filled (low-E, en=0.05, soft coat), 16mm or more warm edge spacer (1.2 Glass - centre pane* U-Value).

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Contact Information

  • T: 01268 681612 (Office)
  • T: 01268 695100 (Showrooms)

  • F: 01268 510058 (office)
  • E: sales@duration.co.uk
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Facebook Twitter Blogger YouTube line Blyweert authorised partner, approved fabricator of Blyweert Beaufort products Smarts Systems approved fabricator. We are the largest supplier of Smart products in the UK. We are an approved fabricator of Monarch otherwise known as Sapa We are a supplier to the Ministry of Justice British Standards Institution approved Kitemark Licence - under the Window Energy Rating Group Scheme We are featured on RIBA product selector, Royal Institute of British Architects NBSPlus Logo

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