In order to properly install new flashing you ll have to remove the shingles surrounding your old flashing and then re lay them after installation.
Installing step flashing on a roof.
Once you ve shingled up to the sidewall cut a piece of step flashing at a 45ยบ angle from the outside corner to the bent seam.
The remaining siding on the sidewall will overlap the step flashing and nail.
Step flashings are to be installed one per course.
Proper installation of step flashing.
Cut step flashing pieces to be 10 in.
Wide and 2 in.
Nail flashing to roof deck only.
Hammer one nail to the.
Bend it down and back to sit flat on the corner.
Cover tops of step.
Longer than the shingle s exposure.
Then set the piece down.
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.
Ensure it sits flat and extends at least 8 inches above the shingles.
But it doesn t work that way.
Install the step flashing when the siding is installed it should be tucked behind this piece and then consecutive courses lapped over it.
Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in.
Then sink two nails in the wall near the top one on each face.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
You will start by snipping one of your pieces of step flashing at a forty five degree angle.
It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.
Nail it in place with two nails one.
Make corner flashing from step flashing.
Nail through flashing into shingle do not extend flashing above top of shingle and.
Bend it back so that it overlaps the corner flashing.
Once even a small section of roofing cement fails you ll have a leak.
Typically flashing is installed using roofing nails and roofing cement.
Each additional rain adds more water and before you know it you ve got rotted wood.
Here s how to do it right the first time.