Chalk a straight line about 2 inches above the back of the base flashing.
How to attach roof flashing to brick.
Most important make sure weep vents are included in the mortar at each pan without a way for water to escape all the fancy flashing is for nothing.
Step 3 seal masonry wall.
Give the masonry walls a good rinse with some soap and water.
The masons should add a bond break layer to keep mortar droppings from creating dams behind the brick.
Just go over it with a sponge and rinse the soap.
Step 4 spread roof cement.
Cut a slot of about 1 5 inches into the brick with a circular saw and masonry blade.
Step 2 cut flashing to fit.
Step 5 embed.
Once the roofing and step flashing are in place complete the counterflashing at the masonry as follows.
How to attach roof flashing to masonry walls.
With the rigidity created by the bent corner and the nail not penetrating the flashing the metal can move more freely when the temps change.
Install metal counterflashing onto the face of the block extending it down to about inch above the shingles.
Using the circular saw and masonry blade cut a slot about 1 5 inches into the brick so that the overlapping flashing or counter flashing will slide into the slot.
Caulk the slot after the flashing has been installed.
The will allow the overlapping flashing or counter flashing to slide into the slot.
Step 1 clean the masonry first.
Attaching wood framing members to a brick wall is tricky especially if the framing will support any load as it does when a roof intersects the wall.