Step 4 spread roof cement.
How to attach roof flashing to brick.
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.
The masons should add a bond break layer to keep mortar droppings from creating dams behind the brick.
Use your caulking gun to caulk a straight line above the back of the base flashing.
Step 1 clean the masonry first.
Once the roofing and step flashing are in place complete the counterflashing at the masonry as follows.
The will allow the overlapping flashing or counter flashing to slide into the slot.
The second is good the flashing is turned into a deep cut mortar joint about 1 and nails are placed so the head of the nail laps over the bend edge about 3 4 to hold the flashing in place.
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.
Install metal counterflashing onto the face of the block extending it down to about inch above the shingles.
Caulk the slot after the flashing has been installed.
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.
Chalk a straight line about 2 inches above the back of the base flashing.
Just go over it with a sponge and rinse the soap.
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.
Now seal the slot with a caulking gun after the flashing is installed.
Give the masonry walls a good rinse with some soap and water.
Step 2 cut flashing to fit.
Cut a slot of about 1 5 inches into the brick with a circular saw and masonry blade.
