Timber Clad Bifold Doors

The Perfect Combination

More than 20 years of manufacturing specialist door systems

Superior designs made bespoke to all requirements

Sunflex-trained and supported installers located nationwide

Timber Clad Aluminium Bifold Doors

The SUNFLEX range of SF55c and SF75c timber clad aluminium bifold doors provides the perfect combination of aesthetic appeal and performance, matching the natural beauty of wood on the internal face of the door with maintenance-free aluminium on the outside.

By including timber cladding on the inside of the door, SUNFLEX doors benefit from a much slimmer design all round than timber doors with aluminium cladding on the outside.

Manufactured with the same innovative features and benefits as the award-winning aluminium bifold doors, plus timber choices, styles and finishes to match the inside of your home, the SUNFLEX timber clad bifold doors are ideal for more traditional properties or for adding character to new build homes.

Every timber clad bifold door is made by hand by experienced fabricators, ensuring the quality and usability you would expect from SUNFLEX.

Features
  • Timber clad aluminium High-performance aluminium framed bifold doors with internal timber cladding for increased durability.
  • Advanced security protection Carries prestigious Secured by Design™ award and exceeds requirements of PAS 24:2016 testing.
  • Unrivalled performance U-values from 0.9W/m²KS for the SF75c, combined with industry leading water tightness (900Pa – Class 9a) and air permeability (600Pa - Class 4) performance.
  • A choice of timber finishes Choose from 5 timber choices, 3 cladding styles and an almost infinite range of finishes to perfectly match your home.
Kitemark Secured by Design PAS Logo Build It Awards Winner
Products

Packed full of unique features you won’t find on any other timber clad bifold door Aluminium door with internal timber cladding rather than the old style of a timber door with external aluminium cladding SUNFLEX UK trained and supported distributors across the UK

  • SF55c

    Our best-selling timber clad bifold door, the SF55c features the narrowest sightlines (118mm) of any bifold door of its type and is double glazed as standard.

    The system can be configured in an almost infinite range of designs and features discreet hinges, in-line handles and slender 70mm frame depths to ensure the ultimate appearance.

    Technical
  • SF75c

    The most thermally efficient timber-clad aluminium bifold door available.

    Manufactured with the same sightlines and unique features as the SF55c, the SF75c is triple glazed as standard and achieves U-values from just 0.9W/m²K thanks to its patented 44mm multi-chambered thermal break.

    Technical
Specifications
SF55c SF75c
Frame depths 70mm 90mm
U-Value Double Glazed From 1.6 W/m²k n/a
U-Value Triple Glazed n/a From 0.9 W/m²k
Maximum panel width 1100mm 1100mm
Maximum panel height 3500mm 3500mm
Sightlines 118mm 118mm
BSI Kitemark Yes. Certificate No. 643635 Yes. Certificate No. 643635
Secured by Design™ Yes Yes
Water tightness To 900Pa (Class 9a) To 900Pa (Class 9a)
Air permeability To 600Pa (Class 4a) To 600Pa (Class 4a)
Unique Locking panel catch Yes Yes
Track options 3 – flush, low-threshold or weathered track 2 – low-threshold or weathered track
Double rebated frames Yes Yes
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Why choose a timber clad system?

Ideal for renovations, extensions or new build homes with internal timber beams or structure, the timber clad aluminium bifold doors combine the performance of an aluminium system with the internal appearance of natural wood. With no external facing timber, you do not need to maintain the frames of the composite bifold doors as you would with a solid timber system. The aluminium frames can be made significantly narrower than traditional wooden doors, allowing you to maximise the amount of glass in your doors to make the most of the view or to draw light into your home.

To request a quote for a set of bifold doors, or any of the specialist door systems, visit our postcode checker to find the nearest SUNFLEX distributor for your area.

Threshold

Threshold options

Our SUNFLEX bifold doors are available with a choice of two threshold options.

Our single rebated low threshold is ideal for creating a level transition between your home and patio or decking, featuring a 14mm upstand that is classed as an accessible threshold and meets the requirements of Building Regulations M.

Our double rebated weathered threshold features a 35mm upstand against the frames of the doors seal, providing the most comprehensive weather performance. Available with or without a sill.

Low Threshold

Weathered Threshold

Colours

External colour options

We have chosen a selection of the 5 popular colours for the external aluminium frames. In addition to these standard colours you can personalise your doors with a choice of more than 200 RAL finishes.

SF55s and SF75 – standard external colours

  • White Aluminium (RAL 9006) semi-gloss finish White Aluminium (RAL 9006) semi-gloss finish
  • Grey Aluminium (RAL 9007) semi-gloss finish Grey Aluminium (RAL 9007) semi-gloss finish
  • Anthracite Grey (RAL 7016) semi-gloss finish Anthracite Grey (RAL 7016) semi-gloss finish
  • Traffic White (RAL 9016) semi-gloss finish Traffic White (RAL 9016) semi-gloss finish
  • Anodised Silver Anodised Silver

Internal timber choices

Shaped from real wood, the internal timber cladding on our SF55c and SF75c bifold doors is available as standard in a choice of Nordic Pine (softwood) or Meranti (hardwood). Alternatively you can upgrade to American White Oak.

  • Nordic Pine Nordic Pine
  • White Oak White Oak
  • Meranti Meranti

Timber cladding styles

Once you have chosen your preferred timber you then have three options of cladding style to enable you to match the interior face of the door to the style and décor of your project. The Moulded profile provides and intricate and traditional detail, the Plain profile offers a nicely curved finish whilst the Squared profile is a the ideal choice for clean, contemporary designs.

  • SF75c Moulded Oak SF75c Moulded Oak
  • SF75c Plain Meranti SF75c Plain Meranti
  • SF75c Squared Pine SF75c Squared Pine

Timber stains and finishes

The internal timber cladding is supplied fully finished with a Sikkens timber stain or painted to a RAL colour to enable you to match the frames of the doors to the internal finishes of your home. Alternatively for American White Oak timber, Tung oil can be used to bring out the natural beauty of the grain.

Whilst every effort has been made to display the timber choices and stain options accurately the images shown should be used as an indication only. We can supply samples of various timbers and/or timber finishes if required, simply email us at [email protected] or call 01603 258 649.

  • Meranti - Ash Meranti - Ash
  • Meranti - Dark Oak Meranti - Dark Oak
  • Meranti - Ebony Meranti - Ebony
  • Meranti - Light Oak Meranti - Light Oak
  • Meranti - Mahogeny Meranti - Mahogeny
  • Meranti - Old Pine Meranti - Old Pine
  • Meranti - Pine Meranti - Pine
  • Meranti - Rosewood Meranti - Rosewood
  • Meranti - Teak Meranti - Teak
  • Meranti - Walnut Meranti - Walnut
Hotspots

Experience SUNFLEX bifolding doors

Click the play button below to view a demonstration of our bifolding doors. To explore the features in more depth, simply click on the plus buttons for more information.

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    Burglar-resistant fittings

    Burglar-resistant fittings

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    Assembly shoes allow a fast assembly and precise adjustment of the vertical frame profiles

    Assembly shoes allow a fast assembly and precise adjustment of the vertical frame profiles

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    Meets and exceeds the requirements of PAS 24:2012 to achieve Building Regulations Approved Document Q security standard

    Meets and exceeds the requirements of PAS 24:2012 to achieve Building Regulations Approved Document Q security standard

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    Panel catcher for additional security to fix the pass door to the adjacent panel

    Panel catcher for additional security to fix the pass door to the adjacent panel

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    Optional twin-lock-mechanism

    Optional twin-lock-mechanism

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    Mushroom-head lock for optimal tightness and increased security

    Mushroom-head lock for optimal tightness and increased security

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    Options from Sunflex handle series

    Options from Sunflex handle series

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    Different kinds of locks available

    Different kinds of locks available

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