Abstract
The work described here covers the design and preliminary testing of a novel composite construction/insulation board, suitable for emergency shelters, and an initial study of appropriate manufacturing processes. The structure is a sandwich of closely packed recycled polystyrene cups between external grade medium density fibre (MDF) boards, bonded with foamed polyurethane. Load tests have shown that the assembly is comparable in strength and rigidity to conventional homogeneous construction boards, which meet current standards for domestic and light industrial flooring, but much lighter. Simple preliminary thermal tests, measuring the rate of cooling of a sealed box made from the board and containing hot water, indicate an insulation level comparable to that of a filled cavity wall. It is concluded that the board has industrial potential in general building as well as for emergency accommodation.
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