Flat Roof Parapet Flashing Detail

Parapet with plywood sheathing and parasolo flashing.

Flat roof parapet flashing detail. Cover flashings are also used to seal rooflights upstand kerbs and plant support bases. Detail drawing dwg. Typical roofing details autocad files. High wall flashing detail 5 wide sheets.

Tpo roofing pros and cons. 3 3a surface mounted counter flashing detail. Outside corner reinforcement universal corner detail. 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.

Hold your cursor over the file name to view when a drawing was last updated. The top of the wall is covered by a copper coping cover similar to detail 9 3a. A copper receiver holds the counterflashing at its top edge. 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.

Detail drawing pdf pdf 195 kb. High parapet copper roof. The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten. 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.

Copper flashing is locked into this edge and extends at least 8 up the wall. This is a nice detail because it keeps a crisp clean edge profile at the top of the parapet wall. Parapet with coping and parasolo flashing. Parapet with paraguard coping and parasolo flashing.

This cover in turn laps over base flashing which is cleated to the roof deck or a nailing strip. Firestone has developed cad drawings of its tpo installation details to assist roofing professionals with the specification of firestone tpo roofing systems. The detail drawings are grouped by details and can be downloaded below in dwg or pdf format. Roof membrane temperatures ottawa canada summer day.

A good example is the metal sleeve used to protect and seal plastic pipe penetrations on hot melt roofs. The flashing of the head of a batten seam roof at a wall is shown in this 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. High wall flashing detail 10 wide sheets.

On the roof side the cover is locked into a standing seam parapet cover. Parapet wall with edge grip. Capping or parapet flashing. Courtesy of max baker and the national research council of canada.