How To Install Step Flashing Under Siding

When reaching the.

How to install step flashing under siding.

Shingles need to be fastened with nails in the top area and. Wide and 2 in. Bent into an l shape. Cut step flashing pieces to be 10 in.

Here s how to do it right the first time. How to install step flashing under siding 1. Nail flashing to roof deck only. Posted march 4 2017 filed under roof installation roof repair maintenance.

Cover tops of step. Galvanized sheet metal bent at a 90 degree angle i e. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. Fasten that shingle with two galvanized nails at the.

Take the first flashing piece at roof bottom and slice it at around 4 inches with tin snips. This flashing is typically field fabricated from a sheet of 26 ga. Install the step flashing before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.

How to install step flashing step 1. Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. 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.

Once even a small section of roofing cement fails you ll have a leak. Longer than the shingle s exposure. Lay shingles over step flashing from the roof edge. Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips.