WPC Hollow Decking

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SIS’s 100mm x 25mm is a genuine alternative to using precious timbers. It’s a lightweight, strong, cool under foot and has a high level of non slip performance, making it ideal for both commercial and residential applications.

When choosing to install SIS 100mm x 25mm, you not only assist the environment in diverting waste from landfill, you also choose the best. SIS 100mm x 25mm will never need oiling or in fact any maintenance other than a regular clean. It has a design life in excess of 50 years and given the colour is permeated through the entire product its appearance will never fade.


  • Easy to install with 3 installation methods available;
  • Choose from a range of finish's;
  • Will not crack, warp or splinter;
  • No maintenance other than regular cleaning;
  • Available in 8 colours for project volumes over 7000kg's;
  • Diverts waste plastic and timber from landfill;
  • Comes with 10 year warranty;
  • High level of UV and colour stability therefore retains permanent colour;
  • Heavy duty, long wearing and easy under foot;
  • Can be recycled for future generations.

SIS 100 x 25 has a recommended maximum span of 450mm. It can be installed using either traditional fixing methods, the QuickDrive Composite installation system or one of SIS's hidden clip fixing systems. Contact SIS customer service on 1300 26 10 74 for further details on installation and your preferred fixing method. Colour Options: Copper Brown, Desert Red, Saddle Brown, Ash Grey Other colour options available for orders of 7000kg or above.  

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Associated Categories

  • Civil Infrastructure

  • Building and Construction

  • Oil & Gas

  • Mining

  • Aquaculture

  • Marine & Ports

  • Transport & Logistics

  • Agriculture

  • Wood Plastic Composites (WPC)

  • WPC Products