Over the roof deck.
Roofing sidewall step flashing pictures.
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Length to extend 5 in.
Purchase pre cut step flashing of cut your own step flashing pieces to be 10 in.
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 allows each step flashing piece to overlap the piece below.
The term reglet flashing refers to an installation method for counter flashing not a separate layer.
Up the wall and 5 in.
Then sink one nail into the sidewall to hold the step flashing in place.
With step flashing you do a little flashing then a lot of roofing then a little more flashing and so on.
Each piece of step flashing laps over the shingle below and under the shingle above.
But it doesn t work that way.
Apply drip edge and roof underlayment over the roof deck and continue lapping up the sidewall and over the water resistive barrier in this case rigid foam insulation a minimum of 7 inches figure 2.
This article describes mistakes at roof dormer sidewall flashing and roof dormer sidewall coverings that invite leaks rot and insect damage on buildings.
Made with 28 gauge galvanized steel l flashing can play an essential part in protecting your home against water damage.
Bend the 10 in.
It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.
Next install the step flashing with the next course of shingles over top of it.
Counter flashing is the final layer of a three part waterproof barrier installed between a roof and a vertical wall or chimney.
How to install sidewall flashing and kick out diverters on homes with rigid foam insulation sheathing.
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.
L shaped flashing is a versatile general use flashing used where a uniform or strengthened finish is needed on a 90 surface.
The flashing material should be 4 inches by 7 inches in length when it lies on the roof deck.
Bent into an l shape.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
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.
Installing side wall step flashing.
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.
Posted march 4 2017 filed under roof installation roof repair maintenance.
The 7 inch length ensures a 2 inch headlap on.
L flashing can be cut into smaller lengths to use as step flashing.
Wide and 2 in.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
Our step flashing snafu photos below demonstrate a few typical step flashing snarl ups.
