Once the roofing and step flashing are in place complete the counterflashing at the masonry as follows.
How to install roof flashing against a brick wall.
Chalk a straight line about 2 inches above the back of the base flashing.
Caulk the slot after the flashing has been installed.
Above the roof sheathing.
This is made by rolling up a 25mm or less strip of lead into an oval shape just wider than the mortar chase you are fixing and then driving it below the surface of the bricks to form a wedge.
In an ideal installation the flashing will extend under the brick veneer so that there.
However the principles are the s.
Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.
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.
The masons should add a bond break layer to keep mortar droppings from creating dams behind the brick.
The most common method of fixing lead flashings is to make a lead bung also known as a lead chock.
How to fix lead flashings.
You need step flashing which is metal flashing that is in an l shape.
Install metal counterflashing onto the face of the block extending it down to about inch above the shingles.
I cut the tape so that it laps onto the housewrap above and 3 in.
I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall.
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 flashing angled roofs with the step method you can use the step method to flash an angled roof.
You have to install the roof side of the flashing either under the last layer of shingles or over the roof materials if the roof runs flat up against a brick wall.
