Flashing Where Siding Meets Roof

Flashing is installed to surround roof features such as vents chimneys and skylights.

Flashing where siding meets roof.

How to install step flashing under siding 1. Failing to replace step flashings when a cedar shake roof is replaced with a composition shingle roof. The solution to rotting sidewalls is a small piece of bent metal called a kickout flashing at roofing suppliers which simply directs all that water away from the wall. It depends on the condition of the old flashing or the warranty that is being offered to the homeowner.

Traditionally the flashing was installed and hidden under the siding. The flashing needs to be installed before installing the roof shingles the metal flashing is formed with a hook edge and cleated on 12 centers the flashing extends up the wall at least 4 the flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. It is at the back of the porch roof where the roof meets the house siding. Kickout flashing installs just like standard step flashing except that half of the kickout flashing hangs over the edge of the roof.

Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. Very rarely do people want to pay to replace step flashing especially if it s a wood or cement siding. That is fine but it must still look like the flashing is behind the siding. Lay a shingle over the step flashing starting at the roof edge.

Flashing where wall meets roof. Install the kickout flashing. Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips. Today the flashing is on top of the siding.

However in most instances step flashing should be installed behind siding.