Gauge Thickness and Weight Chart for Sheet Metal Products
Galvanized steel: 24 gauge, 20 gauge, 18 gauge and 16 gauge. Stainless steel: 26 gauge, 24 gauge, 20 gauge, 18 gauge, 16 gauge, 14 gauge, 1/8" and 1/4". Kynar Galvalume (Steel) for metal roofing and gutters: 24 gauge. Kynar Aluminum for metal roofing: 0.032" or 0.040".