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.
How to roof against a wall.
The proper installation of flashing at the point where the roof meets wall is to use metal step flashing.
Flashing is usually made of sheet metal and is used to seal and protect joints in a building like those where a roof meets the brick walls of a chimney from roof leaks by directing the flow of water away from the joint.
Follow the photo for illustrated instructions.
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.
For areas where the walls meet the roof you will need to use the step flashing technique.
If the roof runs flat up against the brick wall you must install the roof side of the flashing either under the last layer of shingles or over the roof material if it is metal.
The building inspector said a 20ft piece of lead was out of the questions and felt is not a long term solution.
Down the wall 6 in.
How to frame a roof against a brick wall.
Its about 20ft by 10ft.
Even though roof flashing is one of the most important elements of a roof not many people know how to install roof flashing against a wall properly.
A corner flashing piece can either be bought from the hardware store or it can be made using a regular step flashing piece.
Install base flashing under shingles or over metal roofing material.
2 of the walls come against a vertical wall the 1st floor of the semi.
If i can t get some sort of weather barrier against the wall at the end of the eave i apply a piece of housewrap that runs vertically from just below the soffit to at least 3 ft.
How to get it watertight between the vertical wall and roof.
The roof framing itself in this.
Figure 1 roof plane butting against wall.
Figure 2 step flashing.
Metal flashing also called roof flashing goes against a stucco wall to protect it from water damage.
How to install roof flashing against a wall with a corner when there is a corner where the roof meets the wall you will need a corner flashing piece.
When the roof of an addition garage porch or patio meets a brick wall the intersection creates a number of concerns.
Horizontally around the inside corner and at least a foot beyond the end of the eave.
Metal step flashings are pieces of metal that are shaped like an l at least 5 inches wide and tall and 8 inches long as shown in figure 2.
Proper roof wall abutment flashing examples.
