What's the Difference: Lead vs. copper
Sure, other types of flashing can be used to keep water from seeping into your roof, but none performs as well as or is as traditional as copper or lead.
Both materials are noted for their durability. While lead has traditionally been a New England detail, it has uses on roofs far beyond the Northeast. Copper, which shines brilliantly when new and develops a protective patina as it ages, is perhaps more popular nationwide.
While the cost of each flashing material has been a strong factor in deciding which to use, prices have fluctuated drastically over the past year or so. Last winter, copper was actually cheaper than lead. However, both types of flashing are still expensive. For example, a 12-in. by 20-ft. roll of lead sells for around $140. Don’t expect to pay much more, or less, for copper.
Lead flashing is a highly weather resistant, dense, yet soft…