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