Two ways to flash roof edges.
Proper roof flashing installation.
Place it so the tab of the end shingle covers it completely.
These areas include anywhere there are intersections or joints such as edges around chimneys vents skylights roof valleys and soil stacks.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Secure the horizontal flange to the roof deck using two nails.
It s much easier to reseal the flashing than it is to patch a water stained wall or ceiling.
Install the step flashing pieces so that they can easily be replaced during a reroof job or else the damaged old.
Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.
To install the flashing piece on the first course place it over the end of the starter strip.
You will also need rake edge flashing for the sides of the roof.
Details concrete masonry roofing wrb flashing.
While roofing professionals occasionally use nails when flashing they must choose whether to nail to the roof plane or the vertical wall.
Proper installation of step flashing.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
How to install roof flashing against a wall.
Step flashing redirects the water back onto the shingle.
Make sure to install flashing around the chimneys and walls.
Recaulk the joints between the roof and the flashing.
Step flashings are to be installed one per course.
The flashing integrates the roof cladding into the wall cladding to keep water out.
One common method is to lay the edge metal under the eaves membrane and over the rake.
The roof deck flange of step flashings are to be fastened to the surface of each shingle in a position whereby the next course of shingles will cover up hide the flashing from view.
When you install roof flashing you will need to use a sealant.
As a protectant flashing is placed anywhere on the roof s surface that requires extra protection.
Fasten loose nails and cover exposed nail heads with roofing cement.
If nailed to both the flashing may deform under the pressure from shifting brick or wood.
