Parapet Detail Flat Roof

Exterior wall parapet rafters prep.

Parapet detail flat roof.

See more ideas about parapet architecture details construction drawings. Minimum of 12 to top of parapet. To wall sloped roof no overhang ledger support. A flat roof usually consists of the following.

A parapet is a part of a roof that eliminates the danger of a flat roof while opening up a wealth of opportunities to use roof space safely and effectively. 100 dan road canton ma 02021 phone 1 800 451 2504 sales 1 800 576 2358. The assembly is straight forward but what complicates matters is that the roof needs to be vented. To address these conditions detailing must provide excellent bulk water management of roofing parapet wall and parapet cap venting to promote drying and careful attention to separating the parapet from interior spaces.

Nov 30 2014 explore alex radford foster s board parapet detail on pinterest. A roof is considered to be flat when it is of a slope of 1 5o to the horizontal. 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. Height of roofing at wall.

At the highest point of the sloped roof the parapet is about 10 tall at the lowest point the parapet is about 14 tall. Common penetration details include soil vent pipes hot pipes from boiler flues or log burners electrical cables for air conditioning units extraction ducting and tracks for mechanical window cleaning systems. Waterproof membrane to prevent water penetrating the structure and interior of the building. Free cad dwg download of a parapet wall to be used in your roof design cad drawings.

When wind blows against a building it produces vortices at the roof edges that create huge pressure differences at roof perimeters that can suck roofs off buildings. Parapets dramatically reduce these pressure differences at roof edges figure 3.