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.
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.
The cap flashing is set in the mortar joint between bricks.
A sheet waterproofing membrane or water resistive barrier is utilized to flash over the back leg of the metal flashing see figure 4.
The base flashing is fastened to the roof with cleats spaced a maximum of 12 apart.
Metal roof flashing is a galvanized sheet metal bent at right angles with about eight to 12 inches on each side of the angle.
The lower edge is hemmed and laps the base flashing and is formed to be a snug fit against the base flashing.
Details roofing wrb flashing storm proof roof 2.
These kinds of houses often have a roof that butts against a wall.
Metal roof flashing can be use to seal gaps between roof walls.
Thru wall flashing originates with a vertical leg in contact with the exterior sheathing tucked or shingled up under the house wrap and a horizontal leg that extends all the way through the masonry to the exterior surface of the wall.
Additional information for flashing single wythe walls particularly architectural concrete masonry walls and means for providing a higher level of structural continuity at flashings is contained in tek 19 2a ref.
Weeps are provided through the masonry veneer.
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.
It is commonly used in two story and side split houses.
Flashing is installed to surround roof features such as vents chimneys and skylights.
It is used to seal the gap between walls and intersecting roofs.
Flashing single wythe walls at the ends of bar joists which utilize wall pockets for bearing is shown in figures 8 and 8a.
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.
