We are offering pre coated galvalume roof sheets. Substrate:- 55% aluminum , 43.4% zinc , 1.6 si tensile strength:- 240 mpa to 550 mpa caoting mass:- as 1397-1993 (rmp) painting thickness:- top - 18-20 microns and bottom - 5-7 micrones supply width:- 1092 mm cover width:- 1050 mm