One Sided Parapet Roof

Some flat roofs make use of parapet walls with holes in the side to avoid flooding or standing water.

One sided parapet roof.

The main factors which influence the shape of roofs are the climate and the materials available for roof structure and the outer covering. Roof shapes differ greatly from region to region. A parapet roof is a flat roof with the walls of the building extending upwards past the roof by a few feet around the edges. Where the roof membrane meets the parapet wall the membrane should be installed to allow for the possibility of differential movement and.

It s a roof that is flat or almost flat. 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 german equivalent brüstung has the same meaning. Where extending above a roof a parapet may simply be the portion of an exterior wall that continues above the edge.

This also helps prevent staining on the exterior wall. Roof terminology is also not rigidly defined. Flat roofs are the obvious exception where most surface materials are not suitable to its style. 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.

This type of roof is common in urban areas for example on triple deckers in boston and row houses in philadelphia as well as in the southwest. While we didn t cover the membrane based or low slope materials that are possible for outer layer covering a flat roof s installation for say a 1 500 sq. Home ranges from 6 000 to 15 000.