It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.
Roofing sidewall step flashing pictures.
Longer than the shingle s exposure.
Once even a small section of roofing cement fails you ll have a leak.
The first two layers are called base flashing and step flashing.
Each piece of step flashing laps over the shingle below and under the shingle above.
L shaped flashing is a versatile general use flashing used where a uniform or strengthened finish is needed on a 90 surface.
We discuss the importance of keeping wood siding clear of the roof surface the need for flashing at the dormer side to roof intersection and the need for counter flashing at step flashing.
This allows each step flashing piece to overlap the piece below.
Made with 28 gauge galvanized steel l flashing can play an essential part in protecting your home against water damage.
But it doesn t work that way.
Counter flashing is the final layer of a three part waterproof barrier installed between a roof and a vertical wall or chimney.
The term reglet flashing refers to an installation method for counter flashing not a separate layer.
Bent into an l shape.
This article describes mistakes at roof dormer sidewall flashing and roof dormer sidewall coverings that invite leaks rot and insect damage on buildings.
Wide and 2 in.
Our step flashing snafu photos below demonstrate a few typical step flashing snarl ups.
Bend the 10 in.
Galvanized sheet metal bent at a 90 degree angle i e.
Length to extend 5 in.
The 7 inch length ensures a 2 inch headlap on.
This flashing is typically field fabricated from a sheet of 26 ga.
Step flashing needs to turn up a minimum of three inches up the sidewall.
Then sink one nail into the sidewall to hold the step flashing in place.
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.
This process will continue up the entire roof.
The flashing material should be 4 inches by 7 inches in length when it lies on the roof deck.
Purchase pre cut step flashing of cut your own step flashing pieces to be 10 in.
More product details close.
Next install the step flashing with the next course of shingles over top of it.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
Posted march 4 2017 filed under roof installation roof repair maintenance.
With step flashing you do a little flashing then a lot of roofing then a little more flashing and so on.
L flashing can be cut into smaller lengths to use as step flashing.
Up the wall and 5 in.
Over the roof deck.
