Metacil 84/184 Flange ceiling system comprises of 84/184 mm x 12.5mm panels with 23.9 mm flange roll formed out of metals coils. Panels are fixed on to roll formed carriers 32mm wide x 39mm deep out of 0.7 mm aluminium or 0.5mm galvanised steel sheet with cut outs to hold the panels in module of 100/200 mm at maximum 1.6m c/c without insulation and at maximum 1.5 m c/c with insulation. Carriers are suspended from the roof at truss by 4mm diameter. Galvanised steel wire rod hanger with special height adjustment suspension clip at max 1.3 m c/c, Hangers are fixed to the roof by "j' hooks and nylon inserts. Panels are factory cut in lengths up to maximum 6 meter to suit site dimensions or shop drawing. Edge profiles or wall angles are 24mm x 24mm x 0.5mm thick and match the colour of the panel. these systems have several options for the metal used in their construction, the protective coating used on the surface and the finish of the panels.