Viking Materials 26 Ga Galvanized Flat Sheet - 48 x 36 In. Breadcrumb Home / Products / Parts / Installation Products / Sheet Metal Ductwork and Fittings / Galvanized Flat Sheets Loading... Customer Part Number: GVS26X48X36G-40 Brand: Viking Materials Gauge: 26 Shape: Rectangular Size (In.): 48 x 36