Spray foam polyurethane systems from Australian Urethane Systems Australian Urethane Systems Spray foam polyurethane systems are available from Australian Urethane Systems . Full range of fire retarded and special use formulations - AS/NZS 3837:1998 Cone Calorimeter Test Performance certified products Low halide systems for tank / pipe insulation applications Density range from 25 to 400 kg / m³ High density protective hardcoat systems for PU / EPS foam / timber substrates Applications Thermal insulation of roof / wall, tank, process equipment - systems for internal and external application Thermal insulation of commercial, industrial and agricultural buildings Sealing of grain storage silos Full range of products for theme park movie set / special effects applications