How To Install Step Flashing Under Siding

It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.

How to install step flashing under siding.

Wide and 2 in. Longer than the shingle s exposure. Bent into an l shape. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.

Cover tops of step. Once even a small section of roofing cement fails you ll have a leak. How to install step flashing step 1. Nail flashing to roof deck only.

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. Cut a piece. Nail through flashing into shingle do not extend flashing above top of shingle and. Lay a shingle over the step flashing starting at the roof edge.

Here s how to do it right the first time. Galvanized sheet metal bent at a 90 degree angle i e. Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips. Take the first flashing piece at roof bottom and slice it at around 4 inches with tin snips.

Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. Cut step flashing pieces to be 10 in. Posted march 4 2017 filed under roof installation roof repair maintenance. Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.

When reaching the. Fasten that shingle with two galvanized nails at the. This flashing is typically field fabricated from a sheet of 26 ga. How to install step flashing under siding 1.