The bottom edge of the flashing should extend just below the nail line.
Where does step flashing go on a roof.
Step flashing steps up a roof to protect where the roof meets the side walls of dormers chimneys and some skylights.
It consists of a series of right angled metal pieces.
The flashing material should be 4 inches by 7 inches in length when it lies on the roof deck.
Step flashing redirects the water back onto the shingle.
Next install the step flashing with the next course of shingles over top of it.
It is used for roof to wall flashing.
This process will continue up the entire roof.
Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall.
Step flashing needs to turn up a minimum of three inches up the sidewall.
The flashing should be partially exposed along the wall.
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.
The top requires another custom piece.
Even if one piece of step flashing fails the flashing and shingle below it start the.
Each piece of step flashing laps over the shingle below and under the shingle above.
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.
Attach each piece with a single nail high enough to be covered by the next course of flashing the building wrap and the siding.
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.
Bent into an l shape.
This flashing is typically field fabricated from a sheet of 26 ga.
The 7 inch length ensures a 2 inch headlap on.
Each section is worked into a course of shingles so that it overlaps the section beneath it.
It is used for roof to wall flashing.
Posted march 4 2017 filed under roof installation roof repair maintenance.
