POLYSTYRENE BLOCKS (EPS)Polystyrene blocks are renowned for their excellent thermal and noise insulating properties, high strength to weight ratios, and shock absorbing characteristics. They are inert and stable over decades, and provide no nutritive value either to plants or animals. GEOFOAM Direct Polystyrene blocks are available in Store and at our Sydney Factory Warehouse for sale in three densities (Standard SL, Medium M, and Hard VH grades). Standard block sizes are
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