Large flashings are formed with a hook edge on the top and sides and cleated to the sheathing at 12 o c.
Roof flashing details.
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.
Flashing is installed to surround roof features such as vents chimneys and skylights.
At the end of the vertical sidewall the step flashing shall be turned out in a manner that directs water away from the wall and onto the roof and or gutter while this is a nice diagram of how these flashings work don t forget our 5 th design rule.
Edge flashing and starter strip.
A critical component of step flashings along the run of the roof slope is a kick out flashing.
The lower edge is hemmed for stiffness.
Storm proof roof 2.
The kick out flashing directs water away from the adjoining wall and ensures that the step flashing is not concentrating water on the surface of that wall.
Details roofing wrb flashing.
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.
This detail illustrates a method of flashing a ventilator on a sloped roof.
The bottom leg of the step flashing is placed over the roof drainage plane.