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The experts in
Polystyrene Products, External Wall Cladding System,
Packaging, Render Products & Accessories

Polystyrene Insulation

Polystyrene is an excellent Insulation; it is thermally superior to many other products on the market.


It has great properties that many other insulation products do not display.                                                                                                                       


It is efficient and cost effective and has:


Strength, flexible, will not sag over time, excellent for hot and cold temperatures, a non-food source for rodents or

insects, with excellent moisture resistance.


Polystyrene is a durable product and does not degrade over time. 


API Polystyrene is made to Australian Standards and can be used in emperatures of minus 40 Deg in cold rooms or up to 80 Deg in drying ovens.


API Expanded Polystyrene is the insulation for the ages.


  • API polystyrene is manufactured to Australian Standard AS1366part 3-1992.
  •  Wall, Ceiling, Underfloor, Designed to fit unevenly spaced joists & studs.
  •  EPS foiled sheeting, Various thicknesses & lengths.
  •  EPS pipe insulation, Plain & foiled, High density Poly, Used underneath Hydronic heating.


What is Expanded polystyrene?

API Expanded Polystyrene, or EPS for short, is a lightweight, rigid,economical & versatile  plastic foam insulation.


Produced from  tiny solid beads of polystyrene that when expanded up to 40 times using steam ends up comprising of

98% air.


With a very high strength to weight ratio offers exceptional compressive and flexural strength and dimensional stability.


EPS It can be shaped to any designs and requirements.


Polystyrene Beads

The Benefits  and Features of EPS

Used in a range of industries like Architects, civil engineers, builders, packaging companies, creative designers,



Insulation, building applications (including wall cladding), road and bridge works, Marine Engineering (flotation),

packaging, creative art works in theme parks and on buildings.

  • API Polystyrene has a Fire Retardant added during the manufacturing stage to reduce the risk of fire.
  • Insulation  - API has specific insulation products for the building industry.
  • High R values, compared to many other products.
  • Moisture Resistant,  API EPS is very resistant to moisture compared to many other insulation products.
  • Lightweight, Durable & strong, EPS has excellent compressive strength,
  • resistant to mildew
  • and has no nutritional value to Rodent or Termites
  • Versatile- used in many different product for different reasons.
  • Recycling EPS, API polystyrene is fully recyclable. 



Click Here Building Material Comparison Chart


Thermal R Values