| 摘要 |
A rectangular roofing unit 100 manufactured in reinforced plastic composite which has a short to long axis ratio of at least 1:8. The unit comprises a substantially planar weather exposed surface featuring a trough indent 130 along the long axis (X-Y Fig 1) parallel to the edge, positioned at one end of the short axis. The unit comprises an under surface with a plurality of integral supports running along the long axis parallel to the long axis edge. The unit is characterised by an anchor means 150, 170 running along its long axis which enables each unit to be securely anchored to further units on either side (shown in Fig 9). The extended nature of the unit allows it to extend over multiple roof trusses to be attached directly to the same, substantially removing the need to pre-batten the roof. The invention may also be used to clad vertical surfaces and is particularly useful for cladding acute angled and overhanging surfaces. |
