| 摘要 |
The floor cassette comprises: a floor panel 27 having a lower surface arranged for location on a wall; a planar upper surface; a number of side edges 28a, 28b and at least one wall plate 86a, 86b, but preferably two on opposite sides, which is arranged on the upper surface so that an outer edge of the plate corresponds to a side edge of the floor panel. The wall plate includes at least one rebate 88 to provide an abutting upper surface into which a projection of a roof support may press. The cassette is preferably made from a solid timber annular frame upon which a planar timber sheet is secured. The rebate or channel on the top layer panel may be arcuate or tapered. The roof supports may be joists, rafters or spandrels. Also claimed is a system which comprises the cassette and a roof support, the roof support comprising a first edge locating within an abutting against the recess/rebate on the planar floor sheet. Also claimed is a method of installing a roof on the floor cassette. A cassette may be mounted on a spandrel.
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