groove ceiling t bar: 1,32x24x3600x0.3mm 2,26x24x1200x0.3mm 3,26x24x600x0.3mm 4,22x22x3000x0.3mm IntroductionCeiling T Grids are made of galvanized steel and ... of different size which is according to different size of ceiling board. Ceiling T grids has many advantages, include: beauty, good strength, ... to match with all kinds of mineral fiber board, aluminum ceiling groove ceiling t bar