... East etc Ceiling T grid is used to make ceiling for office, shop, hospital, and all kind of grand public spaces. Detailed ... gypsum board, Mineral fiber board, ect. 3.Size: Various dimension for choice, widely used are 32H24T, 38H24T, 32H15T, ect.4. Length ... .Style: Flat,Black line, Black groove(Difference size and stype for choice.)7. System: Metric system or British system8.Zine coating ...