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Benefits of EPS

  • Excellent thermal insulation
    EPS is 98 percent air, and is therefore and excellent thermal insulation material.
  • Proven acoustic insulation
    EPS absorbs sound, both impact sound in floating floors and airborne sound for walls.
  • Moisture resistant
    EPS resists degradation by absorption of water.
  • Lifetime durability
    EPS does not decompose. It therefore provides lifetime application.
  • Flexible mechanical properties
    With its flexible production process, the mechanical properties of EPS can be adjusted to suit every specified application.
  • Versatile
    EPS can be manufactured in almost any shape or size, and is compatible with a wide variety of materials.
  • Cost-effective EPS offers the best price/performance ratio compared to any other insulation material.
  • Easy to transport
    EPS is almost as light as air, so it saves fuel in transport.
  • Easy to install
    EPS is light, practical, safe and comfortable to handle and install.

EPS properties

The properties of EPS insulation materials for buildings and their test methods are defined in EN 13163, which is mandatory since 13 May 2003 for all EU countries. EN 14933 is the relevant standard for civil engineering applications. Further standards are under development, such as for installed equipment. These harmonised European standards include of a list of properties and test methods, both for general and for specific applications.

The manufacturer declares the properties of the specified product, and is allowed – after initial type testing by a notified body and taking into regard the conformity rules in EN 13172 – to put CE marking on the product. Compliance with 'local' building regulations is based on the performance level of the finished product and determined individually by each EU country.
An overview of a number of EPS properties per EPS type according to EN 13163 is given in the following table. For specific applications the producers are prepared to develop product types that suit these applications perfectly.

EPS product types without intended specific application ("commodity")

EPS Type EN 13163 [unit] EPS 60 EPS 100 EPS 150 EPS 200 EPS 250
Thermal conductivity EN 12667 or EN 12939 λ [mW/(m·K)] 38 36 35 34 34
Compressive stress 10 % EN 826 CS(10) [kPa] 60 100 150 200 250
Bending strength EN 12089 BS [kPa] 100 150 200 250 350
Dimensional stability EN 1603 DS(N) [%] 0,5 0,5 0,5 0,5 0,5
Approximate density ρ [kg/m³] 15 20 25 30 35