Polyfoam Floorboard Standard - XPS Insulation

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Brand: Polyfoam
Country of Manufacture: United Kingdom
In Stock
Product Code: PFXPS
Call us for Enquiry 03303130245

The standard floorboard by Polyfoam is a strong, super rigid, foam insulation board that lasts throughout the lifetime of a building. It is light in weight, which makes it easy to carry and install. XPS foam insulation provides excellent thermal efficiency as they have a lambda value of 0.033 W/mK. The floor insulation boards are moisture-resistant. Their performance remains unaffected even if they are to be laid in standing water or up against wet concrete. 

XPS insulation floor boards are manufactured using materials that cause no harm to the environment in any way. They are ideal to be used for underfloor insulation - below a concrete slab, screed or chipboard. The XPS insulation foam boards are also suitable for use as an outer insulation layer in basement walls with a depth of up to 2.50m. The manufacturing process of XPS insulation does not make use of any materials that cause harm to the environment, plus they are completely recyclable at the end of their service life. 

Product Specifications:

  • Length: 2500mm
  • Width: 600mm 
  • Board Coverage: 1.5 m2
  • Thickness available: 25mm 

Key Features:

  • XPS insulation board is strong and lasts longer.
  • Foam insulation boards provide excellent thermal insulation.
  • Provides excellent underfloor insulation below concrete slabs, screed or chipboard.
  • XPS insulation boards have exceptional moisture resistance.
  • Foam insulation boards can be used for Basement depth up to 2.50m.
  • Floor insulation boards can be used in applications up to +70o C.
  • XPS insulation boards are easy to carry and install.
  • Foam insulation boards are 100% recyclable and are made with environmentally-friendly products. 


  • BRE Green Guard Specification: Grade A 
  • British Board of Agrément Certificate
  • Environmental Product Declaration
  • BES 6001: Responsible Sourcing of Construction Products


  • They are suitable for all floor insulation applications including underfloor insulation like:  
  • Below a screed
  • Below a concrete slab
  • Below chipboard
  • Foam insulation boards can be used for Basement depth up to 2.50m.
  • XPS insulation boards also find applications on basement floors and low-load ground floor slabs. 

Product Details: 

  • Material: Extruded Polystyrene
  • Thermal Conductivity: 0.033W/mK
  • Colour: Brown
  • R-Value: 0.75m2K/W
  • Water vapour resistivity: 625MN.s/g.m
  • Density: 28kg/m3

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