Posted march 4 2017 filed under roof installation roof repair maintenance.
How install step flashing against a siding.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
Install the step flashing.
The first piece of step flashing needs one bend so that it laps cleanly over the corner flashing installed in the previous step.
Before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof.
Bent into an l shape.
This flashing is typically field fabricated from a sheet of 26 ga.
Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.
Step flashing protects the interface between a roof and a wall.
Install step flashing so that it can be.
Small flashing pieces must be woven into the shingles as you work your way up the roof.
To make corner flashing take your tin snips and cut a 45 degree line from an outside corner to the center fold.
With step flashing you do a little flashing then.
Then sink one nail into the sidewall to hold the step flashing in place.
Even if the roof has been properly flashed against the sidewall this one hasn t water can still run down the side of the house and behind the siding causing rot.
Make sure the caulk joint between these two pieces is bedded evenly.
The solution to rotting sidewalls is a small piece of bent metal called a kickout flashing at roofing suppliers which simply directs all that water away from the wall.