This ensures that rain always.
Roof step flashing details.
Step flashing protects the joints between the roof deck and chimneys or dormers.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Wind driven rain and snow can penetrate between step flashing pieces and wet the sidewalls and the roof.
Vent pipe flashing fits over flues or pipes.
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.
Stepped flashing is used where a sloped shingled roof intersects a vertical wall.
The vertical flange of the flashing is to extend up behind the adjoining siding.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
We ask for 6 inches up the wall.
Step flashings are to be installed one per course.
It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.
Common flashing details step flashing.
So we instruct our roofers to run the ice barrier membrane and the roof underlayment up the sidewalls.
These are the key types of roof flashing you need to understand.
Step flashing redirects the water back onto the shingle.
Head flashings are used to direct water away from openings such as windows and doors.
