... Board,etc. Ceiling T Grids: (A) 32H: 1) Main Tee: 24 x 32 x 3.6m, or 3.0m, 3 ... .05m, 3.66m 2) Cross Tee: 24 x 26 x 1.2m, or 1.22m 3 ... ) Small Tee: 24 x 26 x 0.6m, or 0.61m ... to 0.30mm and 0.40mm(B) 38H: 1) Main Tee: 24 x 38 x 3.6m, or 3.0m, 3 ... .05m, 3.66m 2) Cross Tee: 24 x 26 x 1.2m, or 1.22m 3 ... ) Small Tee: 24 x 26 x 0.6m, or 0.61m ...