Flashing Flat Roof Brick Wall

Lead seems very expensive and i wonder what the trade is using instead if at all.

Flashing flat roof brick wall.

I have a flat roof adjoining a brick wall. Install base flashing under shingles or over metal roofing material. Metal roof flashing can be use to seal gaps between roof walls. Flashing on a wall above a flat roof.

Metal roof flashing is a galvanized sheet metal bent at right angles with about eight to 12 inches on each side of the angle. These kinds of houses often have a roof that butts against a wall. 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. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.

This video demonstrates where flashing could be leaking from on a brick wall. Proper roof wall flashing example. The lead flashing seems a bit cracked and there is water leakage into the rooms below. To install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width.

I wonder if i need a new roof. It is commonly used in two story and side split houses. A couple of trades people have suggested i need new flashing.