Installing Step Flashing On A Roof

The remaining siding on the sidewall will overlap the step flashing and nail.

Installing step flashing on a roof.

Longer than the shingle s exposure. Here s how to do it right the first time. Ensure it sits flat and extends at least 8 inches above the shingles. The first part of installing the step flashing is the installation of the corner flashing.

Bend it down and back to sit flat on the corner. Make corner flashing from step flashing. But it doesn t work that way. Step flashings are to be installed one per course.

Hammer one nail to the. 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. Install the step flashing when the siding is installed it should be tucked behind this piece and then consecutive courses lapped over it.

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. 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. Cut step flashing pieces to be 10 in. How to install step flashing with a wall corner step three.

Wide and 2 in. Once you ve shingled up to the sidewall cut a piece of step flashing at a 45º angle from the outside corner to the bent seam. Nail through flashing into shingle do not extend flashing above top of shingle and. Typically flashing is installed using roofing nails and roofing cement.

Once even a small section of roofing cement fails you ll have a leak. Then sink two nails in the wall near the top one on each face. Nail flashing to roof deck only. Bend it back so that it overlaps the corner flashing.

Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in. You will want to place the lower portion of the step flashing against the roof and the other edge goes around the corner edge. Then set the piece down. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.

Each additional rain adds more water and before you know it you ve got rotted wood.