Step Flashing Under Siding

Install the kickout flashing.

Step flashing under siding.

Kickout flashing installs just like standard step flashing except that half of the kickout flashing hangs over the edge of the roof. Alternatively use j channel nails for vinyl. Step flashing can be made with aluminum copper lead galvanized steel or stainless steel but most commonly it is aluminum or copper. Small l shape flashing pieces must be woven into the.

Nail the metal siding onto flashing by following siding manufacturer directions for material installation. Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. Where a slope roof meets a sidewall slip the upper legs of the step flashing under the sheathing wrap see illustration. Nustep set out to design and engineer a step flashing that is easy to work with and brings efficiency to the job site.

The lightweight non corrosive pliable product is safer on and off the roof reducing on the job hazards. Before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof. 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. Step flashings are to be installed one per course.

You have to now install wall siding on the wall down towards flashing. The vertical flange of the flashing is to extend up behind the adjoining siding. I replaced it the same day with a new piece. Click to enlarge make sure the sheathing wrap overlaps all step flashings.

I was unhappy with the cut i had made in the siding. Flashing is a strip of metal usually aluminum about 8 inches long and bent at 90 degrees with each side at least 5 inches wide. Each piece of step flashing laps over the shingle below and under the shingle above. When retrofitting step flashing you will need to slide the step flashing up and under the existing shingles.

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. The bottom edge of the flashing should extend just below the nail line. Install a piece of step flashing over each shingle in a weave fashion. On a wall to be covered with wood cement board vinyl or metal.

Make sure that you leave a quarter of an inch gap between cement board or wood siding and step flashing.