Trapeze Metal Sheet Trapezoidal sheet metal is obtained from galvanised or aluminium materials and is used as roof and facade cladding material of architectural structures. 19 / 168 - 1000 27 / 200 - 800 / 1000 38 / 250 - 1000 38 / 151 - 906 90 / 40 - 180 / 900 Ç 90 / 40 - 180 / 900 D 55 / 300 - 900 55 / 225 - 900 56 / 180 - 900