How To Install Step Flashing On A Roof

Length to extend 5 in.

How to install step flashing on a roof.

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. Over the roof deck. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. Nail flashing to roof deck only.

Install the step flashing. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall. Bend it down and back to sit flat on the corner.

Then sink two nails in the wall near the top one on each face. 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. Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. Once even a small section of roofing cement fails you ll have a leak.

Vent pipe flashing as the name implies this flashing is usually. But it doesn t work that way. These leaks are almost always caused by improper flashing installation or the absence of roof flashing altogether. It is used for roof to wall flashing.

Bend the 10 in. Bent into an l shape. Step flashing is a rectangular piece of flashing bent 90 degrees in the center. Corner flashing comes first.

Lay a bead of. Flashing can be purchased in pre formed styles to help you install it more easily and these include. Make corner flashing from step flashing. Galvanized sheet metal bent at a 90 degree angle i e.

This allows each step flashing piece to overlap the piece below. 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. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.

Up the wall and 5 in. 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.