Lay-in false Ceiling System with steel/aluminum tile 595 mm X 595 mm is manufactured out of 0.50 mm thick polyester coil coated galvanized steel 120/180 gms zinc coating or 0.7mm aluminum powder coated with 50 microns polyester paint in AA5050, AA3105 or AA1050 alum. Alloy these tiles can have square or beveled edges. Coil coated steel tile has 20-micron polyester coated finish and back coat of 5-micron alkyd primer. The exposed metal grid comprises of Main Runners and Cross Tees, roll formed from galvanized steel of 120/180gsm zinc coating. The main and cross tees are provided with bayonet coupling for quick installation and have a height of 33/38 mm and 25 mm. The grid is suspended from the roof with G.I.. wire rods for quick adjustment by suspension hangers at max. 1200 mm and is filled with 1200 mm / 600 mm cross tees. Hangers are fixed to roof by expansion fasteners. Wall angle are 24 mm X 24 mm X 0.4 mm thick coil coated steel matching the color of the tile.