Step flashing step flashing redirects the water back onto the shingle.
How to do step flashing on a roof.
The vertical flange of the flashing is to extend up behind the adjoining siding.
Cut step flashing pieces to be 10 in.
Nail through flashing into shingle do not extend flashing above top of shingle and.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Place felt paper underlayment on the roof deck ensuring the underlayment turns up at the sidewall a minimum of three.
The key elements of the process include.
How to install roof flashing against a wall.
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.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
Longer than the shingle s exposure.
Here s how to do it right the first time.
Wide and 2 in.
The remaining siding on the sidewall will overlap the step flashing and nail.
Nail flashing to roof deck only.
Install the step flashing when the siding is installed it should be tucked behind this piece and then consecutive courses lapped over it.
Lay an ice and water shield to the edge of the roof deck.