Geofoam Blocks


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GRADE (DENSITY)

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Minimum order values start from $400+GST - Please contact us directly for Geofoam pricing and information

Please do not order on this product page. Polystyrene geofoam blocks are mainly supplied in full block form (untrimmed) We can also cut to size to your custom requirements. Please contact us directly for pricing and more information regarding our Australian made geofoam blocks.

PICKUP available or $100 Capital City Metro Delivery*

* Metro Deliveries ex Sydney, Melbourne, Brisbane, Perth and Adelaide metro areas. Pickup available ex Adelaide and Brisbane warehouses only.

For any deliveries in outer metro/regional areas and Australia-wide, please contact us directly for a freight quote.

The Foam Company supplies Geofoam blocks (Expanded Polystyrene) Australia-wide, directly from our warehouses in each Australian State.

Geofoam is a high performing fill material, made from expanded polystyrene (EPS), manufactured into large lightweight blocks. Designed for civil engineering under slab or void filler for commercial building construction. Its durability and exceptional strength to weight ratio, allowing the polystyrene void fill to resist heavy structural loads and reduce underlying soil stresses for a variety of applications, such as lightweight road construction, bridge abutments, elevation changes, foundations and many more. 

They are most commonly used as structural fill replacing soil. The strength of the blocks means that they can effectively replace weak soil and so provide a stronger structure. Primary uses in civil engineering projects include the construction of highways, bridges, embankments, soil and slope stabilisation but there are many more uses as well. The versatility in size and shaping of the blocks make their use wide ranging and easy to manage onsite. They can also be made to a variety of densities and resulting compressive strength to solve geotechnical issues and load bearing solutions. 

The Foam Company's geofoam blocks can be up to 1% the density of soil and with the equivalent strength. This makes it an extremely strong lightweight alternative to soil and other types of fill – tyres, rocks, soil.

The geofoam blocks are environmentally Friendly, being made of Polystyrene foam. No CFCs or any other gas are used in the manufacture or fabric that can escape to harm the ozone layer. The blocks are stable and inert. As a result, they will not pollute the surrounding soil or waterways. They can also be dug out and reused.

APPLICATIONS AND BENEFITS

  • Reduced construction times – cost-effective
  • Versatile for concrete formwork
  • Bridge abutment construction
  • High compressive strength
  • Road construction applications
  • Airport runways
  • Noise and vibration damping applications
  • Safe, non-toxic and environmentally friendly
  • New highway and road construction and temporary roads.
  • Road Widening.
  • Bridge abutments.
  • Bridge underfill.
  • Culverts and pipelines.
  • Levees
  • Artificial landscapes and Green Roofs.
  • Retaining walls and buried wall backfill.
  • Railway track systems and embankments.
  • Airfield pavements.
  • Stadium & theatre seating.

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Properties of Expanded Polystyrene (EPS):

Closed-Cell Lightweight Cellular Plastic

EPS is made up of tiny, closed-cell structures filled with air, making it lightweight yet strong. This structure provides excellent insulation and moisture resistance.

Flame/Fire Retardant

Many EPS products are manufactured with fire-retardant additives, making them self-extinguishing when exposed to flames. This improves safety, especially in construction and insulation applications.

Excellent Floatation Properties

Due to its closed-cell structure, EPS has exceptional buoyancy and is widely used in marine applications across Queensland, such as flotation devices, buoys, pontoons, and boat docks.

Shock Absorbing Properties

EPS is often used in protective packaging and cushioning due to its ability to absorb shocks and impacts, protecting fragile products during shipping and handling.

Low Environmental Impact

EPS is 100% recyclable and does not release harmful chemicals during its lifecycle. Additionally, its lightweight nature reduces fuel consumption during transportation, making it an eco-friendly choice in construction and packaging.

Benefits of Expanded Polystyrene (EPS):

Cost-Effective

EPS is affordable and widely available, making it a cost-effective material for insulation, construction, and packaging compared to alternatives like fiberglass or rigid polyurethane foam.

Easy to Use & Handle

Due to its lightweight nature, EPS sheets and blocks are easy to transport, cut, and shape, reducing labor costs and installation time.

Superior Thermal Insulation

EPS provides excellent thermal resistance (R-value), making it a preferred material for wall insulation, roofing, and flooring in buildings, helping reduce heating and cooling costs.

Water and Moisture Resistance

The closed-cell structure prevents water absorption, making EPS ideal for outdoor and underground applications, such as drainage systems, foundations, and flotation devices.

Versatile Applications

EPS is used across various industries, including construction, civil engineering, packaging, marine, signage, landscaping, and theming for movie sets. It can be custom-cut into different shapes and profiles, making it highly adaptable.

Durable & Long-Lasting

EPS does not rot, degrade, or break down over time, ensuring long-term performance in insulation and structural applications.

100% Australian Made

All our Polystyrene Geofoam blocks are Australian made and high quality, manufactured to Australian Standards (AS1366.3), and comply with Australian Building Codes.

LIGHTWEIGHT AND COST EFFECTIVE

Geofoam being made from EPS, it is both very cost effective, and due to its durability and exceptional strength to weight ratio, it allows the polystyrene void fill to resist heavy structural loads and reduce underlying soil stresses for a variety of applications. Making it extremely strong and lightweight compared to soil, tyres, rocks, soil.

100% Recyclable and Eco-Friendly

There are no ozone depleting or CFC gases produced during the EPS manufacturing process. EPS helps increase building energy efficiently and thereby reducing overall environment impact. Our EPS products are also 100% recyclable. To find your nearest polystyrene recycling centre, please click here.

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HAVE ANY QUESTIONS OR ENQUIRIES ABOUT THIS PRODUCT?

ENQUIRY FORM

Phone: 1800 362 626 (1800 FOAM CO)
Email: sales@thefoamcompany.com.au

Hours: Mon-Fri: 8am to 5pm AEST, Sat-Sun: Closed

Order pickups: A limited number of products can be picked up direct from our multiple warehouses in each state. See relevant product pages, or contact us directly.

Our sales representatives will get in touch with you as soon as possible.

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