Prepainted Galvanized Roof Panels 1.color steel material with developed width of 1000mm, mechanical profiling effective width of 760mm,wave peak of 51mm, normally used for roofing system of pseudo -classic villa, gardening architectures, large -scaled urban reconstruction and etc.2. The roofing board can be cut into any size according to the outline of the architecture, thus the lapping seam can be reduced.3.Traditional simple connection way,wave peak connection, connecting with member bar via self tapping screws,the water-stop shim is provided at the contact of self tapping screw and roofing board to prevent water leakage or penertration.4. It looks with beautil curve and elegant appearance