... Hall and Hallway ,Kitchen etc Specification Grille ceilingProduct:Aluminum grille ceiling, grille ceiling, metal grille ceilingMaterial:high quality Aluminum alloySize:10*40 ... *75mm,100*100mm,150*150mm,200*200mmThickness:0.32, 0.42, 0.52.,etcPowder coating thickness:0.08mm(average thickness 0 ... ,school,corridor,toilet,hospital,re-decoration works. Aluminum exposed grid ceiling