... intensity 3.Convenient construction 4.Colorful luster color steel roof tiles 1.Light weight 2.High intensity3.Convenient ... proof 6.Long service life 7.maintenance free8.Application: roof and steel structure building9.Grade: stainless steel10.Surface Treatment: ... for insdustry, civil architecture,warehouse,special building, Large span steel structure house’s metope roofing and external decoration, ...