Roof Brick Wall Flashing Details

Except where walls are brick the vertical part of the sidewall flashing should extend up behind the exterior wall covering just like with headwalls.

Roof brick wall flashing details.

It is used to seal the gap between walls and intersecting roofs. This detail shows the use of copper cap flashing extending over copper base flashing at the intersection of a shed roof with a masonry wall. Metal roof flashing is a galvanized sheet metal bent at right angles with about eight to 12 inches on each side of the angle. Hook a hem at the top into the hem in the edge of the pan flashing inset.

The horizontal part of the flashing will vary depending on the type of roof covering material. The cap flashing is set in the mortar joint between bricks. The lower edge is hemmed and laps the base flashing and is formed to be a snug fit against the base flashing. Flashing joints are lapped 6 in the direction of water flow.

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. The metal flashing is formed with a hook edge and cleated on 12 centers. It comes in 10 foot lengths or for step flashing 6 inch lengths. You can hire a professional to install it against a brick wall or you can do it yourself.

Once the roofing and step flashing are in place complete the counterflashing at the masonry as follows. Install metal counterflashing onto the face of the block extending it down to about inch above the shingles. Metal flashing against brick metal roof flashing is a galvanized sheet metal that is bent at a 90 degree angle about 8 to 12 inches on each side of the angle. Continue reading below our video of the day step 1 choose what kind of metal flashing you need.