Pre-Painted GI / Aluzinc (Galume) Tile Profiled Steel Sheet -2 Overal sheet width before profile is 1120 mm (+/-10) Overal width after profile is 980 mm (+/-10) Effective covered width is 888 mm (+/-5) Pitch is 178 mm (+/-2) Depth TP1 is 27 mm (+/-2) Depth TP is 2.5 mm (+/-2) Length of step is 203 mm