Used corrugated galvanized steel sheet for roofing or siding. 26 gauge thickness. 10 or 8 feet length. 24 inch width. 1 1/4 inch x 1/4 inch corrugation. $24 for the 8 foot length sheet and $30 for the 10 foot length sheet, about 20 sheets available. Used condition, some dog ears and fastener holes.