Galvanized sheet metal is most common but aluminum and copper find occasional use in specialty situations.
Proper roof flashing.
Base flashing is the solution for front walls.
Continuous flashing is also called apron flashing because it acts a lot like an apron.
One common method is to lay the edge metal under the eaves membrane and over the rake.
How to install roof flashing against a wall.
Base flashing is one length of flashing that is bent along the length.
Recommended procedures of basic valley flashing installation.
It s much easier to reseal the flashing than it is to patch a water stained wall or ceiling.
Pieces of step flashing are bent at an angle.
This ensures that rain always.
Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing.
Fasten loose nails and cover exposed nail heads with roofing cement.
Two ways to flash roof edges.
These are the key types of roof flashing you need to understand.
Step flashing can be made with aluminum copper lead galvanized steel or stainless steel but most commonly it is aluminum or copper.
Small l shape flashing pieces must be woven into the.
Some key points to remember.
Details concrete masonry roofing wrb flashing.
Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.
That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
Recaulk the joints between the roof and the flashing.
And more often than not the culprit is the flashing the sheet metal that keeps the intersection between the chimney and roof watertight.
Sections of l shaped sheet metal are woven into the shingle courses and lapped up the side of the chimney.
The first is called step flashing.
Step flashing should always be used where the roof deck meets a sidewall.
Proper flashing around a chimney includes two layers.
Step flashing step flashing redirects the water back onto the shingle.
Some roof features such as chimneys require two pieces of flashing.
Install an underlayment centered in the roof valley.
Then install a non corrosive metal valley flashing of 24 minimum width lap successive sheets of metal flashing a minimum of 12 inches and seal laps.
Although roof flashing is occasionally fabricated from plastic roofing felt or rubber it is usually made of rust resistant metal galvanized steel aluminum or copper.