Step flashings on a cedar shake roof are typically installed every 10 inches.
Roof flashing wood siding.
Siding details at roof wall joint step flashings to avoid rot.
Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips.
Install the first length of z flashing.
Flashing is typically used to make the connection between the two.
That is fine but it must still look like the flashing is behind the siding.
How to install step flashing under siding 1.
It is at the back of the porch roof where the roof meets the house siding.
If the shingle already has flashing on it the kickout flashing has to slip beneath it and you ll have to loosen or remove siding to do this.
Begin at either end of the wall and set the level middle section of the z flashing onto the top edge of the siding panel with the wider flange upward and against the wall framing.
Failing to replace step flashings when a cedar shake roof is replaced with a composition shingle roof.
Fasten that shingle with two galvanized nails at the.
It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc.
The only way is to cut a groove in the siding and flash the roof wall intersection.
Stop wood sidings at least 1 inch short of the bottom leg at step flashings and other roof flashings.
Flush the end of the flashing length with the wall corner and secure the flashing to the framing with an 8d nail at each wall stud.
Imo and that is all it is.
Today the flashing is on top of the siding.
Lay a shingle over the step flashing starting at the roof edge.
Traditionally the flashing was installed and hidden under the siding.
Or pull the nails out of the closest layer of siding and slip the flashing up under it and hopefully under the moisture barrier.
If the sidewall is stucco or solid wood like ours and you can t open it to get flashing behind it continue the step flashing to the peak of the roof then cover the step flashing with cap flashing photo 2.
