Copper Vs Lead Chimney Flashing

Copper cap flashing then covers the upper edge.

Copper vs lead chimney flashing.

Of course the tried and true copper laminate material we all used for years still is on the market. Copper and lead coated copper. For example a 12 in. Copper roofing materials can last.

It is extremely durable and resistant to corrosion and it is pliant and. However both types of flashing are still expensive. Copper flashing is one of the best materials available for chimney or roof flashing. It is lightweight resists breaking or cracking and can withstand high temperatures and extreme weather.

Chimney flashing flat roof. As step flashing on roof to wall intersections. Lead coated copper has a less noticeable gray runoff. And along ridges and hips.

Copper flashing has gained ground over aluminum and steel flashing for use as roofing flashing because it lasts longer and also adds a custom look to a roofline. What is the normal life of a roof. Copper is the longest lived but because it s expensive we see it only on high end jobs here. In the northeast masons are partial to lead flashing which is soft and easy to bend to shape.

Copper flashing offers beauty low maintenance and a long service life. It depends on the roofing material you select. Copper flashing can be used around chimneys. Copper base flashing is attached to the roof deck before installation of the roofing.

Copper flashing is a superstar of the sheet metal flashings. Lead flashing is a highly weather resistant dense yet soft metal. Also copper flashing will react in contact with galvanized steel unless the copper is lead coated. It is typically installed in valleys around dormers skylights or chimneys or in high drainage areas of the roofline to add extra protection.

Another advantage to copper is that the corners can be soldered for a watertight connection. Last winter copper was actually cheaper than lead. As a bonus copper flashing adds to the resale value of your home. For special flashing applications where a high degree of malleability is required such as chimney step flashing lead is a good option.

Don t expect to pay much more or less for copper. It can be cost prohibitive for many people. All joints between base flashing sheets are soldered. Flashings have seen the biggest change in the market during the last few years with the industry introducing products that have proved their value for many years in the roofing industry.

It extends at least 8 up the wall and at least 4 onto the roof on all sides of the chimney. And unlike most other flashing materials copper doesn t need to be replaced when you need a new roof.