Importance

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Abstract

The invention concerns a novel roof system comprising a plurality of roof insulation panels (4) moulded from foamed polystyrene or the like material, the panels being mounted on a roof structure, which may comprise conventional purlins and rafters with roof battens or a closed roof decking of timber or the like material. In either case, the panels are supported by the roof structure and in turn provide location and support for a plurality of roof tiles (6, 6a). In order to enhance the location and support of the roof tiles on the panels, the panels are provided with upstanding walls having re-entrant angled surfaces (32) for engagement by hook-like protuberances (60a, 60b, 61a, 61b) provided towards lower ends, in use, of the roof tiles. The roof tiles may be made from cementitious compositions, ceramic compositions or reconstituted slate materials. The roof system may also include reinforcement for the panels, which may be provided with for mutual interlocking engagement with sideways adjacent panels in use. Alternative uses for the panels and tiles can be as a wall cladding system.

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First Claim