Flat Roof Detail Parapet

Parapet walls are a difficult detail with a long history of failure.

Flat roof detail parapet.

Unlike standard exterior walls parapet walls are exposed to the elements on three sides. Furthermore parapets are often inadvertently connected to interior space via balloon framing gaps in structure or penetrations for wiring and mechanicals introducing warm moist. On two sides the roof abuts a parapet a short wall common around flat roofs as well as a wall for the third floor. Nov 30 2014 explore alex radford foster s board parapet detail on pinterest.

Using timber wall plates. This article covers all manner of flat roofing venting methods and details on how to build a flat garage roof and how to frame a flat roof and also encompasses flat roofs roof decking roof coverings including flat roof felt how to prevent leaks at abutments timber flat roof construction details and parapets and common. By way of metal flat roof joist hangers. 100 dan road canton ma 02021 phone 1 800 451 2504 sales 1 800 576 2358.

Naturally there are many different types of parapets for all the different situations materials construction methods and climates out there. Parapet detail masonry cavity wall flat roof with parapet insulation above joists. Timber frame flat roof detail. A parapet roof is simply put when a building s outermost walls extend upwards past the roof around the edges most often by a few feet.

What typical detailing methods are used to seal flat roof penetrations. Courtesy of max baker and the national research council of canada. Here the rubber roof will need to run up the walls and glue to the sheathing. Roof membrane temperatures ottawa canada summer day.

The parapet contains the sloped roof and frees up the architecture to have a perfectly flat profile. While a roof parapet wall may seem like a small detail in the grand scheme of the entire building design it can actually change the dynamic of an entire roof both in terms of cosmetic detailing and safety. Timber frame flat roof 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.

Banding is typically used to seal soil vent pipes on single ply roofs such as fdt rhepanol pib and involves wrapping an unreinforced membrane around the pipe to a minimum height of 150mm an approved sealant is then applied to the top of the membrane. Flat roof detail masonry cavity wall flat roof insulation above and between joists. Typical methods include banding pitch pockets and cover flashings.