Some plain parapets come with an added coping or corbel to help bear structural load but most of them are simply flat extensions of the wall below the roof.
Flat roof parapet coping.
Many buildings have flat roofs in certain areas specifically for air condoning units and etc.
The system rests flat on top of the parapet.
The most common type of parapet seen nowadays is the plain parapet which is simply a basic flat wall extension.
Flat coping offers a complete and attractive finish to any parapet wall.
At the edge of these roofs parapet walls are commonly found and are vulnerable to leaks if not flashed correctly.
This is a surecoat systems how to roof.
Courtesy of max baker and the national research council of canada.
A continuous cleat secures the front and the back is secured by a screw.