Flat Roof Parapet Gutter 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.

Flat roof parapet gutter detail.

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 are often a viable option for flat roofs directing water on the outside of the structure to downspouts. The first example below shows a hybrid of traditional flat roofs. Roof membrane temperatures ottawa canada summer day.

This is a potentially very dangerous situation. Parapet detail masonry cavity wall flat roof with parapet insulation above joists. Timber frame flat roof detail. The cantilevered roof overhangs have a gravel stop metal flashing piece at the roof edge concealing the slope.

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. Details and technical drawings of the flat roof drainage as downloads in the practical pdf dxf and dwg formats. Timber frame flat roof detail. The parapet itself is standard wood framing with an applied siding in.

Courtesy of max baker and the national research council of canada. Alwitra flat roof details. 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. It is used at a single ply roof membrane sloped per foot to a gutter like on the bainbridge residence that we designed and built above.

Gutters can also be installed to work in tandem with a scupper system. On a flat roof there is usually a small wall called a parapet at the edge of the roof. Parapet detail masonry cavity wall flat roof with parapet insulation above joists. At this point its time to discuss the overflow required by code.