Roof Flashing Masonry Detail

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.

Roof flashing masonry detail.

Weeps are provided through the masonry veneer. The base flashing is fastened to the roof with cleats spaced a maximum of 12 apart. 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 can be use to seal gaps between roof walls.

Metal roof flashing is a galvanized sheet metal bent at right angles with about eight to 12 inches on each side of the angle. Flashing single wythe walls at the ends of bar joists which utilize wall pockets for bearing is shown in figures 8 and 8a. These kinds of houses often have a roof that butts against a wall. Details roofing wrb flashing storm proof roof 2.

A sheet waterproofing membrane or water resistive barrier is utilized to flash over the back leg of the metal flashing see figure 4. The lower edge is hemmed and laps the base flashing and is formed to be a snug fit against the base flashing. The base flashing laps the roof a minimum of 4. The cap flashing is set in the mortar joint between bricks.

It is used to seal the gap between walls and intersecting roofs. It comes in 10 foot lengths or for step flashing 6 inch lengths. It is commonly used in two story and side split houses. Edge flashing and starter strip roofs peel off from the edges so it is critical to hold them tight with the roof deck sealed on the outside we turn to flashing the edges with metal and membranes metal drip edge flashing details roofing wrb flashing.

Flashing is installed to surround roof features such as vents chimneys and skylights. At the base of walls a sheet metal flashing assembly that extends from the face of the backup wall through the masonry should be used to form a drip outside the wall.