Polystyrene EPS thermal insulation board

Polystyrene EPS thermal insulation board

Polystyrene boards designed for use in Ceresit Ceretherm Popular / Classic / Premium systems

50 x 100 cm, 2 - 25 cm thick foamed polystyrene boards designed for use in Ceresit Ceretherm VWS systems, EN 13163:2004 compliant. Available in different characteristics / classifications / types

Flammability class: min. E.

Polystyrene type
  • Wall Standard
  • Wall graphite

(£34.08 6sqm)

Tax included


Expanded Polystyrene, or EPS for short, is a lightweight, rigid, plastic foam insulation material produced from solid beads of polystyrene (with a diameter of 0,2 to 0,3 mm). Expansion is achieved by virtue of small amounts of pentane gas dissolved into the polystyrene base material during production. The gas expands under the action of heat, applied as steam, to form perfectly closed cells of EPS. These cells occupy up to 50 times the volume of the original polystyrene bead. The EPS beads are then moulded into appropriate forms suited to their application.

Expanded polystyrene foam (EPS) is usually white. Some new innovative EPS products are grey due to the inclusion of graphite, which substantially increases the insulation performance. EPS is safe, non-toxic and inert. At any time of his life cycle does it contain any Chlorofluorocarbons (CFCs) or Hydrofluorocarbons (HCFCs).

The most important properties of EPS are :

  • excellent thermal performance (lambda between 0.031 and 0.044 W/mK)
  • high compressive strength
  • outstanding impact absorption
  • low weight
  • imperviousness to moisture
  • 100% recyclable
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