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Balcony/terrace free draining decking profile with A2 fire rating

The ideal replacement decking material for degraded or non-compliant timber on balconies, low level terraces and walkways or new build cassette balconies less than 6 sqm. (Patent No GB 2 592 402)

  • Full cell construction with built-in soffit
  • A2fl-s1 Fire Rating
  • 850mm centre-to-centre span capability
  • V-groove surface
  • Free-draining
  • Cool-touch finish
  • 25 year warranty
  • Fully recyclable at end of life


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Why choose our Aluminium Decking with Free-Drain

  • Particularly efficient for use with ‘slide-on’ cassette balconies. Final decking boards slide in as balcony is lifted into place
  • Improves speed, quality and safety of decking installation process versus competitor products
  • Reduces labour costs as is compatible with off-site manufacturing methods
  • Rapid free-draining helps prevent flooding and overspill by draining water (where permitted).
  • Finished ceiling beneath means no additional soffit costs
  • Fire tested in conjunction with correct flooring test and installation method on a horizontal plane, for absolute peace of mind.
  • Double sided cell construction avoids twisting and warping during transportation and installation

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Key Benefits

Safe and Cost Effective

Dura Deck Aluminium SD has been developed in conjunction with leading developers, contractors and balcony manufacturers. It provides a safe and cost-effective decking solution for balconies and high-rise terraces, and for any project that requires an A2 fire rating.

Suited to Off-Site Manufacturing Techniques

Spanning up to 600mm between supports on a 2kN distributed load, the decking boards feature a grooved surface to aid rainwater dispersal and are particularly suited for use with ‘slide-on‘ cassette balconies. The majority of the decking boards can be installed during off-site manufacture, with the remaining boards sliding in as the balcony is lifted into place, improving the speed, quality and safety of the decking installation process, and reducing labour costs on-site.

Free Draining

The innovative Dura Deck Aluminium SD integrates seamlessly with our aluminium joist and pedestal system to meet even the lowest of build-up heights, and our proprietary fixing clip can be used to create a free draining balcony installation.

Fire Tested to the Correct Methodology

Achieving an A2fl-s1 Fire Rating, Dura Deck Aluminium’s fire testing has been conducted in conjunction with the correct flooring test and installation method on a horizontal plane, for absolute peace of mind.

Advanced Structural Performance

The lightweight nature of Dura Deck Aluminium reduces the structural load on buildings. The products have undergone stringent testing to guarantee their effectiveness and performance under both point load and crowd loading in accordance with relevant building codes. Our published data meets the requirements of the most recent 2.0kN point load @ 0.5% deflection (L/200) BS 6399-1:1996) standard, rather than the now obsolete 4kn criteria referenced by many others.


The Dura Deck Aluminium range has a powder coated finish and comes with a 25 year warranty. Please refer to our supporting Technical Manual for full warranty conditions. You can activate your warranty within 30 day.

Colours & Trims

Our Aluminium Decking Products are available in 3 attractive, contemporary colours that look great in any commercial or residential environment.

Anthracite – RAL 7043

Cedar – RAL 1019

Mist – RAL 7001

Dura Deck Aluminium Free-Drain 18mm has a range of intelligently designed trims and accessories so you can be sure of a simple and efficient way to start, install and finish your aluminium decking balcony or terrace design.

Because our Standard Full Length Main Clip runs the length of the decking board, it provides directional drainage. If your balcony design better suits a free draining solution, our 50mm Main Clips can be used in place of a Standard Full Length Main Clip. The End Closure trim can be used for terminating board ends with a neat finish. If your decking installation scenario requires a board to be trimmed down in length to complete your installation, a Cut Down Clip can be used to support the trimmed edge, giving a professional finish.

Cut Down Clip

Start Stop Clip

Standard Main Clip

End Closure


Product Guide

Decking & Cladding


Aluminium Pedestals & Bearers

A2 fire-rated and height-adjustable support pedestals and bearers can be easily combined to suit all project needs. With 8 different heights of pedestals and 3 different heights of bearers, the Dura Composites system provides the most economical substructure combination on the market and is suitable for use as a decking substructure on external balconies, terraces roof gardens, domestic gardens, or for industrial flooring.

This system has been developed to be fully compatible with the latest developments in fire safety legislation and to improve building safety and achieves a Class A2 fire rating to EN13501-1 standards with its standard anthracite powder coated finish and an A1 rated mill finish is also available by special order.

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