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.
How to flash shed roof to wall.
That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
Open valleys have metal flashing to protect this critical area of the roof.
I recommend 12 in wide step flashings bent for a 5 in.
The narrower step flashing just isn t wide enough to protect the intersection fully.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
Then the house wrap and exterior wall covering are installed over this roof flashing.
Many people who have porches attached to their homes have problems with water leaks at the junction of the porch and the exterior wall of the home.
Proper flashing is crucial at a roof to wall intersection.
These leaks are almost always caused by improper flashing installation or the absence of roof flashing altogether.
There sometimes is a problem with movement differences of the wall and the roof decking when the flashing is fastened to both the wall and the roof.
Drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies this collection of 18 articles animations and videos identifies the critical roof flashing areas illustrates durable roof flashing details and shows how to flash roofs.
How to install porch roof flashing.
Proper roof wall flashing example.
Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings.
Bigger step flashing is better.