How To Install Step Flashing Under Siding

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How to install step flashing under siding.

Once even a small section of roofing cement fails you ll have a leak. Cut step flashing pieces to be 10 in. Cut a piece. Fasten that shingle with two galvanized nails at the.

Longer than the shingle s exposure. Here s how to do it right the first time. Nail through flashing into shingle do not extend flashing above top of shingle and. How to install step flashing under siding 1.

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. How to install step flashing step 1. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. But it doesn t work that way.

When reaching the. Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. Lay a shingle over the step flashing starting at the roof edge. Bent into an l shape.

Shingles need to be fastened with nails in the top area and. 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. 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. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. This flashing is typically field fabricated from a sheet of 26 ga. Galvanized sheet metal bent at a 90 degree angle i e.