Length to extend 5 in.
How to install step flashing on a roof.
Before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof.
Lay a bead of.
Bent into an l shape.
Step flashing is a rectangular piece of flashing bent 90 degrees in the center.
This flashing is typically field fabricated from a sheet of 26 ga.
Posted march 4 2017 filed under roof installation roof repair maintenance.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
How to install porch roof flashing.
Many people who have porches attached to their homes have problems with water leaks at the junction of the porch and the exterior wall of the home.
Then sink two nails in the wall near the top one on each face.
It is used for roof to wall flashing.
Flashing can be purchased in pre formed styles to help you install it more easily and these include.
Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
These leaks are almost always caused by improper flashing installation or the absence of roof flashing altogether.
This allows each step flashing piece to overlap the piece below.
Step flashing built to protect joints between roofs chimneys and other objects like skylights this flashing steps up above the shingles and attaches to the object providing comprehensive water protection.
But it doesn t work that way.
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.
Once even a small section of roofing cement fails you ll have a leak.
Bend the 10 in.
Up the wall and 5 in.
Corner flashing comes first.
Bend it down and back to sit flat on the corner.
It is used for roof to wall flashing.
Install the step flashing.
Galvanized sheet metal bent at a 90 degree angle i e.
It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.
Vent pipe flashing as the name implies this flashing is usually.
Over the roof deck.
