Flat Roof Parapet Flashing Detail

Courtesy of max baker and the national research council of canada.

Flat roof parapet flashing detail.

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. Parapet with plywood sheathing and parasolo flashing. Copper flashing is locked into this edge and extends at least 8 up the wall. A good example is the metal sleeve used to protect and seal plastic pipe penetrations on hot melt roofs.

The cover flashing is placed over the top of the sleeve and around the pipe extending down to cover top of the waterproofing upstand. Detail drawing dwg. Tpo roofing pros and cons. The detail drawings are grouped by details and can be downloaded below in dwg or pdf format.

High parapet copper roof. Roof membrane temperatures ottawa canada summer day. 3 3a surface mounted counter flashing detail. This is a nice detail because it keeps a crisp clean edge profile at the top of the parapet wall.

High wall flashing detail 10 wide sheets. 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. Parapet with paraguard coping and parasolo flashing. Firestone has developed cad drawings of its tpo installation details to assist roofing professionals with the specification of firestone tpo roofing systems.

Cover flashings are also used to seal rooflights upstand kerbs and plant support bases. High wall flashing detail 5 wide sheets. The top of the wall is covered by a copper coping cover similar to detail 9 3a. Capping or parapet flashing.

Detail drawing pdf pdf 195 kb. A combination of elements are used in this detail. A copper receiver holds the counterflashing at its top edge. This cover in turn laps over base flashing which is cleated to the roof deck or a nailing strip.

Outside corner reinforcement universal corner detail. 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. Parapet wall supported deck with parasolo flashing. The flashing of the head of a batten seam roof at a wall is shown in this detail.

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 coping and parasolo flashing. On the roof side the cover is locked into a standing seam parapet cover. Hold your cursor over the file name to view when a drawing was last updated.