Where Does Step Flashing Go On A Roof

This process will continue up the entire roof.

Where does step flashing go on a roof.

It consists of a series of right angled metal pieces. Step flashing needs to turn up a minimum of three inches up the sidewall. The top requires another custom piece. Step flashing redirects the water back onto the shingle.

Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall. This flashing is typically field fabricated from a sheet of 26 ga. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. Step flashing is a rectangular piece of flashing bent 90 degrees in the center.

The bottom edge of the flashing should extend just below the nail line. Galvanized sheet metal bent at a 90 degree angle i e. Continuous flashing is sometimes seen where a roof meets a sidewall but in the long run step flashing will do a better job of preventing water leaks. Step flashing should always be used where the roof deck meets a sidewall.

Each piece of step flashing laps over the shingle below and under the shingle above. The 7 inch length ensures a 2 inch headlap on. Pieces of step flashing are bent at an angle relative to the roof pitch and installed along the full length of the sidewall where it joins the roof deck. Even if one piece of step flashing fails the flashing and shingle below it start the.

Step flashing steps up a roof to protect where the roof meets the side walls of dormers chimneys and some skylights. It is used for roof to wall flashing. The flashing should be partially exposed along the wall. Posted march 4 2017 filed under roof installation roof repair maintenance.

Bent into an l shape. The flashing s vertical edge is usually tucked under siding or capped with a. It is used for roof to wall flashing. Next install the step flashing with the next course of shingles over top of it.