GC Sheet GC Sheets are the trusted choice for roofing in various industrial applications. These GC Sheets are available in multiple thicknesses and sizes, ensuring reliable roofing solutions with quality you can trust, at a reasonable price. Thickness (mm): 0.3 – 0.6Supply Width (mm): 800 / 880 / 1070 / 1170Cover Width (mm): 760 / 840 / 990 / 1150Pitch (mm): 76.2Crest Height (mm): 19Brand: AMNS / Tata / Uttam / Kamdhenu / Siro