If the flashing is improperly installed or it is not present the wall roof.
Flashing where roof meets brick wall.
This is true no matter what type of roof covering material is installed.
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.
Headwall flashing should extend up behind the exterior wall covering and down over the roof covering material as you see here.
Metal roof flashing can be use to seal gaps between roof walls.
Install base flashing under shingles or over metal roofing material.
Flashing the shingles where a roof meets a wall is important for future leakage.
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.
Metal roof flashing is a galvanized sheet metal bent at right angles with about eight to 12 inches on each side of the angle.
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.
Proper roof wall flashing example.
Step flashing is best for where the roof face meets a wall for example where a dormer projects out of the roof.
It is commonly used in two story and side split houses.
Flashing detail where roof meets upper wall scott wilson posted in general questions on march 8 2019 09 53pm i have seen several images from siding manufacturers showing their siding installed so that the bottom edge is tight against the top of an adjoining roof pic 1.
Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings.
In this spot it s possible that water could flow down the wall and slip past the shingles into the building below.
A headwall is a level junction where a roof meets a wall.
Bigger step flashing is better.
I recommend 12 in wide step flashings bent for a 5 in.
This illustration shows proper flashing at a headwall condition.
That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
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.
The narrower step flashing just isn t wide enough to protect the intersection fully.
