Flat Roof Parapet Wall Detail

Ultimately a flat roof should play a part in a total architectural composition and has the ability to enhance the aesthetic and practical outcomes of a home.

Flat roof parapet wall 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. Roof membrane temperatures ottawa canada summer day. Parapet detail masonry cavity wall flat roof with parapet insulation above joists. 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.

The drawing below shows how the parapet wall meets with the sloped roof note that the flashing extends up the parapet wall a minimum of 8. Courtesy of max baker and the national research council of canada. See more ideas about parapet architecture details construction drawings. Parapet detail masonry cavity wall flat roof with parapet insulation above joists.

Exterior wall parapet rafters prep. Timber frame flat roof detail. 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. Flat roof detail masonry cavity wall flat roof insulation above and between joists.

Unlike standard exterior walls parapet walls are exposed to the elements on three sides. Nov 30 2014 explore alex radford foster s board parapet detail on pinterest. Traditionally constructed parapet walls can become saturated with rain and are also subject to extremes of heat and cold leading to expansion of the masonry. Parapet walls behave differently to conventional cavity walls because of their location at the very top of a building where both skins of the parapet are outer skins and as such are exposed to moisture.

Furthermore parapets are often inadvertently connected to interior space via balloon framing gaps in structure or penetrations for wiring and mechanicals introducing warm moist interior air into the assembly and potential condensation. Free cad dwg download of a parapet wall to be used in your roof design cad drawings. To wall sloped roof no overhang ledger support. Timber frame flat roof detail.