Code 7 cast lead comes in the heavier range of lead, weighing 35.7kg per square meter, suited for various roofing applications, including flat and pitched roofing, vertical cladding, hip and ridge flashing, pitched valley gutters, bay tops, canopies, apron and cover flashings, chimney flashings, and dormers. At ERoofing, we advise patination oil on cast lead for a better appearance.