It is typically installed in valleys around dormers skylights or chimneys or in high drainage areas of the roofline to add extra protection.
Copper vs lead chimney flashing.
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.
As step flashing on roof to wall intersections.
In valleys on tile wood shake or slate.
Copper flashing is one of the best materials available for chimney or roof flashing.
It extends at least 8 up the wall and at least 4 onto the roof on all sides of the chimney.
It is extremely durable and resistant to corrosion and it is pliant and.
Last winter copper was actually cheaper than lead.
Roll of lead sells for around 140.
And along ridges and hips.
Lead flashing is a highly weather resistant dense yet soft metal.
All joints between base flashing sheets are soldered.
Of course the tried and true copper laminate material we all used for years still is on the market.
And unlike most other flashing materials copper doesn t need to be replaced when you need a new roof.
Copper roofing materials can last.
Copper base flashing is attached to the roof deck before installation of the roofing.
As a bonus copper flashing adds to the resale value of your home.
Copper flashing can be used around chimneys.
However both types of flashing are still expensive.
Copper cap flashing then covers the upper edge.
Another advantage to copper is that the corners can be soldered for a watertight connection.
It is lightweight resists breaking or cracking and can withstand high temperatures and extreme weather.
It can be cost prohibitive for many people.
What is the normal life of a roof.
For special flashing applications where a high degree of malleability is required such as chimney step flashing lead is a good option.
Lead coated copper has a less noticeable gray runoff.
Don t expect to pay much more or less for copper.
Copper flashing is a superstar of the sheet metal flashings.
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.
Also copper flashing will react in contact with galvanized steel unless the copper is lead coated.
In the northeast masons are partial to lead flashing which is soft and easy to bend to shape.
For example a 12 in.
Copper is also one of the most expensive materials to use.
Copper is the longest lived but because it s expensive we see it only on high end jobs here.
Copper flashing offers beauty low maintenance and a long service life.
