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