How To Install Step Flashing Under Siding

Once even a small section of roofing cement fails you ll have a leak.

How to install step flashing under siding.

Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. How to install step flashing step 1. Cut a piece. Bent into an l shape.

Cover tops of step. Nail through flashing into shingle do not extend flashing above top of shingle and. Nail flashing to roof deck only. How to install step flashing under siding 1.

Lay shingles over step flashing from the roof edge. Here s how to do it right the first time. Posted march 4 2017 filed under roof installation roof repair maintenance. Cut step flashing pieces to be 10 in.

But it doesn t work that way. Galvanized sheet metal bent at a 90 degree angle i e. Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. This flashing is typically field fabricated from a sheet of 26 ga.

Shingles need to be fastened with nails in the top area and. Longer than the shingle s exposure. Fasten that shingle with two galvanized nails at the. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.

It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. Lay a shingle over the step flashing starting at the roof edge. Take the first flashing piece at roof bottom and slice it at around 4 inches with tin snips. Wide and 2 in.