How To Install Step Flashing On A Roof

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How to install step flashing on a roof. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. But it doesn t work that way. Corner flashing comes first. Once even a small section of roofing cement fails you ll have a leak.

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. Over the roof deck. These leaks are almost always caused by improper flashing installation or the absence of roof flashing altogether. Before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof.

Install the step flashing. Up the wall and 5 in. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. Bend the 10 in.

Flashing can be purchased in pre formed styles to help you install it more easily and these include. Galvanized sheet metal bent at a 90 degree angle i e. Then sink two nails in the wall near the top one on each face. 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.

Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall. Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. It is used for roof to wall flashing. Step flashing is a rectangular piece of flashing bent 90 degrees in the center.

It is used for roof to wall flashing. Bent into an l shape. Make corner flashing from step flashing. Length to extend 5 in.

How to install porch roof flashing. Vent pipe flashing as the name implies this flashing is usually. This allows each step flashing piece to overlap the piece below. Nail flashing to roof deck only.

Bend it down and back to sit flat on the corner. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.