How To Install Step Flashing Under Existing Siding

Shingles need to be fastened with nails in the top area and then cover top with another step flashing piece with nails.

How to install step flashing under existing siding.

It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. Nail flashing to roof deck only. Every single end should be covered with flashing. Bent into an l shape.

Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips. Lay shingles over step flashing from the roof edge. This flashing is typically field fabricated from a sheet of 26 ga. You have to work up your roof and cover every single end suitable with shingles.

Cut step flashing pieces to be 10 in. Here s how to do it right the first time. But it doesn t work that way. Cover tops of step.

Posted march 4 2017 filed under roof installation roof repair maintenance. Begin by removing the shingles at the affected area and removing old flashing if present. Wide and 2 in. Galvanized sheet metal bent at a 90 degree angle i e.

Once even a small section of roofing cement fails you ll have a leak. Nail through flashing into shingle do not extend flashing above top of shingle and. How to install step flashing under siding 1. Longer than the shingle s exposure.

Cut a piece. Then nail the new l shaped flashing under the builder s felt but above the fascia board. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.