Roof Flashing Against Brick Wall

Properly installed flashing covers the seam between the wall and the roof and directs water onto the roof.

Roof flashing against brick wall.

Even though roof flashing is one of the most important elements of a roof not many people know how to install roof flashing against a wall properly. Flashing on a wall above a flat roof. 2 fold a vertical strip into the inside corner extending it above the top of the block so that the next layer of flashing will cover it shingle style. This video demonstrates where flashing could be leaking from on a brick wall.

Flashing is usually made of sheet metal and is used to seal and protect joints in a building like those where a roof meets the brick walls of a chimney from roof leaks by directing the flow of water away from the joint. These kinds of houses often have a roof that butts against a wall. Counterflashing is the piece of metal that is applied to the masonry wall designed to shed water off of the wall and down onto the roof surface. It is commonly used in two story and side split houses.

Below are two photographs of roof wall step flashing completed and effective of a slate roof against a brick wall below left and in process with step flashing against a dormer sidewall before the dormer siding has been put in place below right. You can hire a professional to install it against a brick wall or you can do it yourself. And 3 cap the block with membrane overlapping the first two pieces and bridging the gap between the block and the wall sheathing. Step flashing protects the gap where roofs meet walls by weaving into the roof shingles.

At the bottom of the roof water needs to be directed. Flat roof and flashing against brick wall install base flashing under shingles or over metal roofing material. If the roof runs flat up against the brick wall you must install the roof side of the flashing either under the last layer of shingles or over the roof material if it is metal. Metal roof flashing is a galvanized sheet metal bent at right angles with about eight to 12 inches on each side of the angle.

1 run membrane down the side of the block and onto the roof underlayment. Keep doing this until you run out of stepped blocks.