POLYPHEN®: A novel fire resistant
insulation foam.

At last, the long awaited solution to the world-wide problem of fire risks associated with foam core sandwich panels.


  • Is a new revolutionary rigid Polystyrene/Phenolic composite foam.
  • Exhibits excellent fire resistance properties.
  • Can be manufactured extremely cost effectively.
  • Has excellent Thermal Insulation performance.
  • Is manufactured using standard plant and equipment.
  • Can be manufactured on a continuous line.
  • Possesses excellent mechanical properties.
  • Can be manufactured to have significant sound absorbing properties.
  • Click here to download the Polyphen ® datasheet.

Polyphen® is Suitable For:

  • Coldstores and Warehouses (steel clad panels).
  • Office partitions.
  • Rendered Factory and housing insulation as well as hygienic building structures.
  • Pipe and vessel insulation.
  • Residential Applications, e.g. light weight wall cladding with rendered finish, and profile mouldings.
  • Panels for Smoke Sensitive Occupancies.

Polyphen® has been tested by the Building Research Association of New Zealand (BRANZ) as well as CSIRO Government Research, Australia.

Fire Rating to AS1530.4
(ASTM E 119, ISO834, BS476pt20-24)

A 2 hour Fire Rating has been achieved for 200mm thick Polyphen® sandwich panels, with 0.6mm steel both sides (tested by Warrington Fire Research).

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