Parapet Only On Roof

Where the roof membrane meets the parapet wall the membrane should be installed to allow for the possibility of differential movement and.

Parapet only on roof.

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. Where extending above a roof a parapet may simply be the portion of an exterior wall that continues above the edge. A parapet is a barrier that is an extension of the wall at the edge of a roof terrace balcony walkway or other structure the word comes ultimately from the italian parapetto parare to cover defend and petto breast. The figure above shows the individual components to be considered in a parapet condition it starts with managing the flow of water on the parapet coping cap which is sloped back to the roof system.

The german equivalent brüstung has the same meaning. The minimum height of a parapet wall above the roof surface is 30 inches. Illustrated above is a real time roof measurement of a commercial structure with a parapet wall. Roofing material must extend up a portion of the parapet wall as well.

This also helps prevent staining on the exterior wall. Roof membrane temperatures ottawa canada summer day. 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. Otherwise the required rating only applies to the inside face of the exterior wall.

Courtesy of max baker and the national research council of canada.