Flat Roof Parapet Coping

First of all you obviously have to keep an eye on the drainage system because debris that builds up can be a disaster.

Flat roof parapet coping.

Its job is to prevent water from penetrating into the parapet wall. Many buildings have flat roofs in certain areas specifically for air condoning units and etc. Additionally pac tite coping is backed by a 20 year 120 mph wind warranty to ensure long term worry free performance. At the edge of these roofs parapet walls are commonly found and are vulnerable to leaks if not flashed correctly.

The coping cap protects the top of the external walls and can be made of anything from brick to concrete to metal. Flat coping offers a complete and attractive finish to any parapet wall. Parapet wall caps are custom fabricated to any measurements and it usually measure 10 in length but can also be bent in 12 lengths. The perimeter of the roof assembly insulation is wrapped to prevent interstitial airflow from the parapet into the multilayered rigid insulation of the field of the roof.

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. Where the roof slopes toward a parapet at a slope greater than two units vertical in 12 units horizontal 16 7 percent slope the parapet shall extend to the same height as any portion of the roof within a fire separation distance where protection of wall openings is required but in no case shall the height be less than 30 inches 762 mm. A continuous cleat secures the front and the back is secured by a screw. This also helps prevent staining on the exterior wall.

Where the roof membrane meets the parapet wall the membrane should be installed to allow for the possibility of differential movement and. Max baker and stonewall jackson would be proud. The cure for parapetitus is continuity of the control layers and letting things move when they have to move. The system rests flat on top of the parapet.