Roof Flashing Parapet Walls

Stramit roof and wall flashingis generally manufactured from g300 steel with protective coatings of zincalume galvanised or colorbond.

Roof flashing parapet walls.

Attaching flashing to a parapet wall requires basic sheet metal tools and knowledge of sheet metal or copper soldering. The roofing squares are locked into a 20 oz. Copper base flashing which extends at least 8 up the wall. Other materials such as colorbond ultra colorbond stainless uncoated stainless copper and aluminium are also available.

Flashings and cappings are strips of metal formed to weatherproof the edges of roofing and walling. A half round segmented gutter formed into a trough. 1 roll out bitumen flashing atop the wall from end to end with the. This detail may be used where wall heights are 24 48 inches above roof surface.

Vertical wall flashing this detail shows a flashing condition at a vertical wall or parapet. Many buildings have flat roofs in certain areas specifically for air condoning units and etc. On walls greater than 36 inches high membrane wall flashing sheets are suggested to be strapped i e installed vertically. No continuity of the four principle control layers.

It is formed between a roof surface and a parapet wall or between two roof surfaces and is available with infold outfold splashback and squashfold edges. For the purposes of this chapter only the term flashing is used. Continuity of the control layers between roofs and walls is the whole enchilada. When i first saw it the lightbulb went off.

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. No membrane under the parapet flashing. 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.

This is what we typically get in the real world today. Usually supported by heavy gauge straps trough gutters are very efficient and have better self cleaning properties than box gutters. Step 1 flashing 1 is a typical apron roof flashing. At the edge of these roofs parapet walls are commonly found and are vulnerable to leaks if not flashed correctly.