Usually 8 inch flashing will work but any size will work well.
Flashing brick wall to roof.
Flashing is installed to surround roof features such as vents chimneys and skylights.
With roof flashing or flashing on any other masonry work the corners are especially vulnerable because of the bends.
Step 3 flashing angled roofs with the step method you can use the step method to flash an angled roof.
The metal flashing is formed with a hook edge and cleated on 12 centers.
Flashing joints are lapped 6 in the direction of water flow.
How to install metal roof flashing against brick step 1.
Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer.
Install metal counterflashing onto the face of the block extending it down to about inch above the shingles.
The masons should add a bond break layer to keep mortar droppings from creating dams behind the brick.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
After the sheet metal flashing has been installed applying proper sealant is critical to its success.
Once the roofing and step flashing are in place complete the counterflashing at the masonry as follows.
Without sealant eventually water is going to work its way in between the sheet metal down into your roof.
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.
Install base flashing under shingles or over metal roofing material.
You need step flashing which is metal flashing that is in an l shape.
If the roof runs flat up against the brick.
