Flat Roof Parapet Flashing Detail
Parapet with coping and parasolo flashing.
Flat roof parapet flashing detail. Copper flashing is locked into this edge and extends at least 8 up the wall. Typical roofing details autocad files. Since the rainscreen system uses a waterproof membrane behind the siding the cap flashing at the parapet wall doesn t need to cover the rainscreen panels at the face. This is a nice detail because it keeps a crisp clean edge profile at the top of the parapet wall.
The flashing of the head of a batten seam roof at a wall is shown in this detail. Tpo roofing pros and cons. The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten. Courtesy of max baker and the national research council of canada.
The detail drawings are grouped by details and can be downloaded below in dwg or pdf format. Detail drawing pdf pdf 195 kb. A copper receiver holds the counterflashing at its top edge. The top of the wall is covered by a copper coping cover similar to detail 9 3a.
Change of pitch flashing sits on batten roof fixing seal seal ensure that the underlap length is sufficient to prevent wind driven rain from entering. A combination of elements are used in this detail. Hold your cursor over the file name to view when a drawing was last updated. Roof membrane temperatures ottawa canada summer day.
Firestone has developed cad drawings of its tpo installation details to assist roofing professionals with the specification of firestone tpo roofing systems. Outside corner reinforcement universal corner detail. High wall flashing detail 5 wide sheets. The cover flashing is placed over the top of the sleeve and around the pipe extending down to cover top of the waterproofing upstand.
If you didn t get it right you concentrated the stresses at roof edges and you could suck in a parapet or tear or rip a membrane at the parapet photographs 3 and 4. Parapet with plywood sheathing and parasolo flashing. A good example is the metal sleeve used to protect and seal plastic pipe penetrations on hot melt roofs. 3 3a surface mounted counter flashing detail.
Parapet wall supported deck with parasolo flashing. Cover flashings are also used to seal rooflights upstand kerbs and plant support bases. Parapet wall with edge grip. On the roof side the cover is locked into a standing seam parapet cover.
Where this is unavoidable use an overflashing between the penetration and the ridge or parapet for roof sheet drainage design refer to the stramit roof slope design guide. High parapet copper roof. Detail drawing dwg. This cover in turn laps over base flashing which is cleated to the roof deck or a nailing strip.