Blue color roof sheet is a building material made mainly from blue-coated steel sheet.

Aluminium-zinc corrugated sheet is a kind of pressure plate which adopts aluminium plate through roller pressing and cold bending to form various waveforms, which is suitable for industrial and civil buildings, warehouses, special buildings, large-span steel structure houses' roofs, walls and internal and external wall decorations.

The features and uses of grey roofing steel sheets mainly include its diverse colour customization, good corrosion and scratch resistance, processing and forming properties, and wide range of applications. 

Compared with traditional tiles and wood, corrugated roofing sheets have many obvious advantages.