PolyFoam XPS Roofboard Extra

PolyFoam XPS Roofboard Extra is a lightweight, high compressive strength extruded polystyrene (XPS) board. The Polyfoam Roofboard Extra is suitable for multiple flat roof applications including, inverted roofs ballast, paving slabs and green roofs. 


  • High Compressive Strength
  • 15mm lap joint 
  • lightweight/easy to handle 
  • Robust and durable
  • Outstanding thermal performance 
  • Easy to install 
  • Resistance to water absorption  

*Always Refer Back To The Manufacturers Specification Document  

For more information about this product, please speak to your local Galaxy Branch. For latest datasheets, please refer to manufacturers website.

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