Flashing the shingles where a roof meets a wall is important for future leakage.
Flashing where roof meets brick wall.
That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
This illustration shows proper flashing at a headwall condition.
Step flashing is best for where the roof face meets a wall for example where a dormer projects out of the roof.
A headwall is a level junction where a roof meets a wall.
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 narrower step flashing just isn t wide enough to protect the intersection fully.
I recommend 12 in wide step flashings bent for a 5 in.
Roof leg and a 7 in.
In this spot it s possible that water could flow down the wall and slip past the shingles into the building below.
If the flashing is improperly installed or it is not present the wall roof.
This is true no matter what type of roof covering material is installed.
Headwall flashing should extend up behind the exterior wall covering and down over the roof covering material as you see here.
Bigger step flashing is better.
Combine step flashing on the roof with through wall flashing at the masonry by dan morrison and sal alfano september 07 2017 flashing the connection where a shingled roof and a brick wall meet is complicated.
Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.
Install base flashing under shingles or over metal roofing material.
Metal roof flashing is a galvanized sheet metal bent at right angles with about eight to 12 inches on each side of the angle.
Metal roof flashing can be use to seal gaps between roof walls.
These kinds of houses often have a roof that butts against a wall.
It is commonly used in two story and side split houses.
Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings.
To install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width.