What is MyDek Delta 20?

A durable, non-combustible, aluminium decking system designed to enhance balconies and terraces, available in a range of standard finishes. Compatible with the full range of support systems from MyDek for fast and accurate installation.


MyDek offers unrivalled speed, accuracy and choice in decking solutions.


Specifically designed for balconies and certified as non-combustible to A2-s1,d0 in compliance with Part B of the building regulations, MyDek aluminium decking systems have been extensively tested to ensure excellent slip-resistance, outstanding load-bearing capacity and resistance to scratches and wear.


Features & Benefits

  • Fully certified non-combustible decking brand
  • Achieves Euroclass A2-s1,d0 fire rating
  • Specifically designed for balconies
  • Lightweight – simple and easy to install
  • Available cut-to-length (OQs apply)
  • Coated using Qualicoat Class 2 powder
  • Stocked range: Anthracite Grey & Quartz Grey
  • Profile size 144 x 20mm
  • Board Aluminium grade 6063-T6
  • Expansion allowance 1mm per linear metre
  • Finish Polyester Powder Coating – 80micron slip-resistant
  • Concealed fixings
  • Slip resistant
  • 30 year warranty
  • 60 year design life



  • Board width x depth 144 x 20mm (150mm module)
  • Board length 4.2m or cut-to-length (subject to conditions)
  • Weight 12.47 kg/sqm


  • Balconies
  • Communal areas
  • Roof terraces
  • Retrofit balconies


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