... width and thickness. Ceiling channels: 1) Supporting channel: a) U 38 x 0.7, 0.8, 1.0, 1.2mm b ... 2) Covering channel: a) C 50 x 0.35, 0.38, 0.40, 0.43, 0.45, 0.48, 0.50mm b ... channel: a) U 75 x 0.31, 0.35, 0.40, 0.45, 0.50, 0.60, 0.70mm b) U ... channel: a) C 75 x 0.31, 0.35, 0.40, 0.45, 0.50, 0.57, 0.60, 0.70 ... .80, 1.00, 1.50mm Ceiling T-grids: Features: 1) 38#: a) Main beam 38mm high b) T profile 26mm high ...