Flat Roof Parapet Flashing 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.

Flat roof parapet flashing detail.

The detail drawings are grouped by details and can be downloaded below in dwg or pdf format. 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 parapet copper roof. Copper flashing is locked into this edge and extends at least 8 up the wall.

Cover flashings are also used to seal rooflights upstand kerbs and plant support bases. Parapet with paraguard coping and parasolo flashing. Outside corner reinforcement universal corner detail. Firestone has developed cad drawings of its tpo installation details to assist roofing professionals with the specification of firestone tpo roofing systems.

Capping or parapet flashing. 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. A good example is the metal sleeve used to protect and seal plastic pipe penetrations on hot melt roofs.

Parapet with plywood sheathing and parasolo flashing. Roof membrane temperatures ottawa canada summer day. 3 3a surface mounted counter flashing detail. A combination of elements are used in this detail.

Detail drawing pdf pdf 195 kb. On the roof side the cover is locked into a standing seam parapet cover. Typical roofing details autocad files. 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. The cover flashing is placed over the top of the sleeve and around the pipe extending down to cover top of the waterproofing upstand. This cover in turn laps over base flashing which is cleated to the roof deck or a nailing strip. Parapet wall with edge grip.

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. Tpo roofing pros and cons. 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.

High wall flashing detail 10 wide sheets. The flashing of the head of a batten seam roof at a wall is shown in this detail. Parapet wall supported deck with parasolo flashing. Hold your cursor over the file name to view when a drawing was last updated.