Roof Flashing Parapet Walls

1 roll out bitumen flashing atop the wall from end to end with the.

Roof flashing parapet walls.

The roofing squares are locked into a 20 oz. Usually supported by heavy gauge straps trough gutters are very efficient and have better self cleaning properties than box gutters. No continuity of the four principle control layers. This detail may be used where wall heights are 24 48 inches above roof surface.

Wsrca suggests for walls 24 inches and taller that wall cladding be considered in lieu of membrane wall flashings per detail tp 8a. The flashing upstand is carried up under the cladding and wall underlay and the ridge flashing roofing flashing junction ridge flashing barge flashing stop end required to end of apron flashing 4 2 82 build supplement flashingssection 4 roof wall intersections. For the purposes of this chapter only the term flashing is used. A half round segmented gutter formed into a trough.

Copper base flashing which extends at least 8 up the wall. According to the international building code the parapet walls on a roof are required to be properly coped with noncombustible weatherproof materials of a width not less than the thickness of the parapet wall. At the edge of these roofs parapet walls are commonly found and are vulnerable to leaks if not flashed correctly. Attaching flashing to a parapet wall requires basic sheet metal tools and knowledge of sheet metal or copper soldering.

The counterflashing laps the base flashing a minimum of 3. Vertical wall flashing this detail shows a flashing condition at a vertical wall or parapet. When i first saw it the lightbulb went off. On walls greater than 36 inches high membrane wall flashing sheets are suggested to be strapped i e installed vertically.

Flashings and cappings are strips of metal formed to weatherproof the edges of roofing and walling. Many buildings have flat roofs in certain areas specifically for air condoning units and etc. Stramit roof and wall flashingis generally manufactured from g300 steel with protective coatings of zincalume galvanised or colorbond. Other materials such as colorbond ultra colorbond stainless uncoated stainless copper and aluminium are also available.

No membrane under the parapet flashing. The purpose of a flashing is to make the building weather resistant and to prevent water from entering the building by diverting it. Parapet wall caps are custom fabricated to any measurements and it usually measure 10 in length but can also be bent in 12 lengths. Step 1 flashing 1 is a typical apron roof flashing.