摘要 |
The roof panel comprises top and bottom layers (1, 2), each one having four sides. The top layer (1) protrudes beyond the bottom layer (2) on two adjacent sides, whilst the bottom layer protrudes beyond the top layer on two adjacent sides also. DETAILED DESCRIPTION - Independent claims are also included for: (a) a roof built from these panels; and (b) a support construction used in this roof. |