Height Of Parapet Walls On Roofs

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

Height of parapet walls on roofs.

If you can penetrate your roof parapet there are several roof parapet railing solutions. Essentially it is a wall or railing at a height of around no more than three feet or so. Since workers need to access the roof dur ing construction of a building they can be. We offer railings that attach to the top of the parapet.

A parapet is a wall like structure at the edge of a roof. With it parapet walls are indicated automatically on the roof sketch as flattened panels similar to an unfolded pizza box. The height of the parapet shall be not less than 30 inches 762 mm above the point where the roof surface and the wall intersect. If penetrating the outside of the wall is not an option a freestanding non penetrating railing can be used to keep people back to from the roof edge.

Roof membrane temperatures ottawa canada summer day. Design solutions the decision to add parapets or to extend the height of a planned parapet is made during the conceptual design of a building. Install a non penetrating full height railing. Where the roof slopes toward a parapet at a slope greater than two units vertical in 12 units horizontal 16 7 percent slope the parapet shall extend to the same height as any portion of the roof within a fire.

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.