Flat Roof Parapet Gutter Detail

Roof membrane temperatures ottawa canada summer day.
Flat roof parapet gutter detail. The cantilevered roof overhangs have a gravel stop metal flashing piece at the roof edge concealing the slope. Parapet detail masonry cavity wall flat roof with parapet insulation above joists. Gutters are often a viable option for flat roofs directing water on the outside of the structure to downspouts. Courtesy of max baker and the national research council of canada.
Timber frame flat roof detail. The parapet itself is standard wood framing with an applied siding in. At the highest point of the sloped roof the parapet is about 10 tall at the lowest point the parapet is about 14 tall. Gutters can also be installed to work in tandem with a scupper system.
Modern flat roofs with parapet walls. Alwitra flat roof details. At this point its time to discuss the overflow required by code. Flat roof detail masonry cavity wall flat roof insulation above and between joists.
If this parapet is much higher than the drain and the drain gets clogged water will build up on the roof like a swimming pool. Timber frame flat roof detail. The first example below shows a hybrid of traditional flat roofs. 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.
In reality a flat roof isn t fully level and flat roofs built for gutters should direct water to one or more sides where the gutters are installed. This is a potentially very dangerous situation. Parapet detail masonry cavity wall flat roof with parapet insulation above joists. The main roof beyond has a coping cap flashing piece over the parapet wall.