Step flashing protects the interface between a roof and a wall from water leaks that can cause hidden damage for years.
Roof step and wall.
Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings.
It may seem as if a.
The flat roofing material must go up the wall a minimum of 12 or up the wall and over the top of the wall if the wall is less than 12 high.
Bent into an l shape.
Step flashing can be made with aluminum copper lead galvanized steel or.
Roof leg and a 7 in.
Step flashing is a rectangular piece of flashing bent 90 degrees in the center.
This flashing is typically field fabricated from a sheet of 26 ga.
Bigger step flashing is better.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
Counter flashing is the final layer of a three part waterproof barrier installed between a roof and a vertical wall or chimney.
Galvanized sheet metal bent at a 90 degree angle i e.
Below are two photographs of roof wall step flashing completed and effective of a slate roof against a brick wall below left and in process with step flashing against a dormer sidewall before the dormer siding has been put in place below right.
Metal roof flashing is a galvanized sheet metal that is bent at a 90 degree angle about 8 to 12 inches on each side of the angle.
It is used for roof to wall flashing.
It is used to seal the gap between walls and intersecting roofs.
The narrower step flashing just isn t wide enough to protect the intersection fully.
The term reglet flashing refers to an installation method for counter flashing not a separate layer.
Learn how to install it below.
If the roof is metal or rubber membrane continuous flashing should be used rather than pieces of step flashing.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall.
Kick out flashing should be installed at the end of a roof wall intersection to divert water away from the wall and into gutters.
Here is an attempt though maybe not a very good one to make the roof flashing serve also as a through the wall flashing with a tile roof.
Roof shingles should be installed over the portion of step flashing on the roof.
How to install roof flashing against a wall.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Proper roof wall abutment flashing examples.
The first two layers are called base flashing and step flashing.
Posted march 4 2017 filed under roof installation roof repair maintenance.
