Flashing Where Siding Meets Roof

Cut a piece.

Flashing where siding meets roof.

Flashing is installed to surround roof features such as vents chimneys and skylights. Traditionally the flashing was installed and hidden under the siding. 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. However in most instances step flashing should be installed behind siding.

That is fine but it must still look like the flashing is behind the siding. Failing to replace step flashings when a cedar shake roof is replaced with a composition shingle roof. Very rarely do people want to pay to replace step flashing especially if it s a wood or cement siding. Fasten that shingle with two galvanized nails at the.

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 always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc. Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips. Kickout flashing installs just like standard step flashing except that half of the kickout flashing hangs over the edge of the roof.

Today the flashing is on top of the siding. Flashing where wall meets roof. How to install step flashing under siding 1. 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.

Lay a shingle over the step flashing starting at the roof edge.