Posted march 4 2017 filed under roof installation roof repair maintenance.
How install step flashing against a siding.
Install step flashing so that it can be.
Install a reverse peak flashing for the other side of the roof so the two wall edges overlap in an x nail step flashing at a peak so the roof side extends over peak flashing on the roof.
Small flashing pieces must be woven into the shingles as you work your way up the roof.
Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.
Bent into an l shape.
With step flashing you do a little flashing then.
Make sure the caulk joint between these two pieces is bedded evenly.
Galvanized sheet metal bent at a 90 degree angle i e.
The first piece of step flashing needs one bend so that it laps cleanly over the corner flashing installed in the previous step.
This flashing is typically field fabricated from a sheet of 26 ga.
Before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof.
To make corner flashing take your tin snips and cut a 45 degree line from an outside corner to the center fold.
Install the step flashing.
Step flashing protects the interface between a roof and a wall.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
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.
