Lightweight Expanded Polystyrene Sheets for Energy-Efficient Foam Board Insulation

The use of energy-efficient foam board insulation not only helps lower monthly energy consumption, but it also helps reduce the carbon footprint and preserve the environment for future generations.
One effective method to achieve this is by integrating energy-efficient foam board insulation sheets into the building structure, to seal out gaps and prevent the cold air or heat from passing through the panels.
The Manufacture of Energy-Efficient Foam Board Insulation from Foamex
For 36 years, Foamex remains to be one of the industry leaders specialising in the design, manufacture, and distribution of lightweight extruded and expanded polystyrene sheets for the design, building and construction, as well as the packaging industries. Foamex developed Styroboard™ lightweight expanded polystyrene sheets to meet the built environment's energy-efficient and sustainable needs.
The team uses a state-of-the-art manufacturing process for Styroboard™ to maximise the cost-efficient properties of expanded polystyrene, such as insulation, durability, dimensional-stability, sustainability and resistance to premature structural deterioration.
For Styroboard™, compact resin beads are placed in special machines called pre-expanders. The raw material is steam-heated at temperatures between 80°C to 100°C, where the density falls from 630kg/m3 to 10kg/m3 and 35kg/m3.

This pre-expansion process turns the compact resin beads into small, closed-cellular plastic beads that trap the air within their interior. The cellular plastic beads undergo intermediate maturing and stabilisation where the beads are diffused with air and dried at the same time. It is in this process that the beads achieve significant mechanical elasticity and enhanced expansion capacity.
The expansion and final moulding process involve the transport of the stabilised pre-expanded beads into moulding machines where they will be once again exposed to steam heating until they are moulded and shaped as required.
Styroboard™ Energy-Efficient Foam Board Insulation from Foamex
Styroboard™ is used widely as an energy-efficient foam board insulation, due to its low thermal conductivity. The unique physical composition of lightweight expanded polystyrene sheets effectively prevents heat and cold air from passing through the cladding system. In addition to thermal insulation, Styroboard™ also provides acoustic insulation.
Styroboard™ lightweight expanded polystyrene sheets are the best choice for wall cladding for they deliver exceptional, long-lasting service and superior performance standards when compared against traditional wall cladding materials like timber and concrete. Commonly applied to the exterior walls, Styroboard™ helps manage a closer to room temperature for cavities, which reduces the risk of surface and cavity condensation.
When used for thermal application, lightweight expanded polystyrene sheets are believed to reduce an estimated 50% carbon dioxide emission. Styroboard™ is fully compliant with Australian Standard 1366 Part 3 -1992, indicating the technical standards for the manufacture of plastic sheets in thermal insulation applications.
If you want to learn more about energy-efficiency and sustainability through wall cladding, contact the polystyrene experts at Foamex on 02 9773 1655 or visit www.foamex.com.au today!
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