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Expanded Polystyrene Insulation (EPS)

What is Expanded Polystyrene Insulation?

This is an economic lightweight type of insulation made from Polystyrene, a popular choice for insulation. EPS insulation has a closed cell structure enabling it to trap air and slow down any transfer of heat moving towards cooler air.


Why is Expanded Polystyrene Insulation beneficial?

  • Economic
  • Lightweight : 19 kg/m3
  • A closed cell structure traps air and slows down transfer of heat towards cooler air
  • Contains graphite which underpins the structural integrity of the insulation
  • Low moisture absorption and high resistance to mould growth
  • Range of finishes available to choose from with this EWI system


What is Expanded Polystyrene Insulation used for?

New-build or refurbishment projects, masonry substrates and steel frame structures on low-rise buildings


Technical Information

  • Typical thermal conductivity: 0.030 – 0.032 W/mK
  • Class E reaction to fire
  • BBA Approved System


Completed EPS Projects

  • You can view completed external wall insulation projects, which feature the use of EPS HERE.
Expanded Polystyrene Insulation (EPS)
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Available Finishes - Expanded Polystyrene Insulation (EPS)

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