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.
Roofing up to a wall.
Begin by removing the shingles down to the wood sheathing and slip a strip of adhesive ice and water barrier available where roofing repair products are sold under the soffit main roof joint.
All exterior wall coverings whether it is wood siding vinyl siding brick or stone veneer stucco etc.
Roof leg and a 7 in.
The girder which by definition supports the inboard end of other framing members can be anywhere from 3 to 11 feet back from the corner.
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.
What you need nail gun measuring tape roofing hatchet framing square chalkline pry bar utility knife straightedge caulking gun tin snips.
A critical and often overlooked design detail is at the termination of a parapet coping at a wall.
Must be kept up off the surface of the roof a minimum 1 some manufacturers of exterior wall coverings require a minimum of 2.
Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings.
I recommend 12 in wide step flashings bent for a 5 in.
Hand carrying obviously the cheapest but also the most physically taxing method is simply carrying the roofing materials by hand onto the roof.
The narrower step flashing just isn t wide enough to protect the intersection fully.
Determining which truss or rafter is the girder may require a trip into the attic.
The omittance of the termination metal leaves an opening at the top of the coping and allows for moisture infiltration at the space between the parapet.
The most common mistake at this intersection is to allow the metal coping to but up to the wall without the application of termination metal.
However you may soon find that the toughest part of the entire job is getting the heavy material up to the roof in the first place something that can be solved in a number of ways.
I made this video this morning and i hope it help explain the flashing wall detail where the siding meets the roof.
Depending on how the roofs join you may have to cut a slot to work it in far enough.
Bigger step flashing is better.
