Providing different types of solutions, single sheet trapezoidal roof panels are produced of aliminium and prepainted galvanised sheet at different thicknesses and at 3 different forms which are 38/151, 27/200, 34/250. By Coil Coating system the color of the metal can be changed to any other required color regarding the RAL Catalogue. The product is perfectly applied on hangars, warehouses, industrial buildings, conveyors and etc. with or without insulation material (as single sheet). Distinctive radius designs respond to different and aesthetic requirements.