Flat Roof Scupper Drain Detail

The top of the roof side flange is extended into a masonry joint.

Flat roof scupper drain detail.

Download free high quality cad drawings blocks and details of roof drains organized by masterformat. Hold your cursor over the file name to view when a drawing was last updated. Most residential roofs are sloped to the edge and a gutter system catches the water. The best draining system for a flat roof.

Firestone has developed cad drawings of its tpo installation details to assist roofing professionals with the specification of firestone tpo roofing systems. The detail shows an alternate method of constructing either type of scupper. Smith carefully designs and manufactures a full line of roof drains deck drains scupper drains promenade and parking area drains and more to satisfy both the artistic eye of the architect and the calculating mind of the engineer. There are some residential roofs that are built like commercial roofs and more likely have an inner drain system.

Unlike most industry standard roof canales made of wood and sheet metal which deteriorate rapidly in a few short years our fiberspan concrete canales roof scuppers endure the most extreme of weather conditions for many years. When a scupper is connected with a down pipe the chances are it will freeze during winter and not drain any water. This is a small flat roof with a wide mouth scupper. If water ponds on a flat roof it could lead to problems later on.

Adding drains for ponding roofs it is possible to add new roof drains to relieve ponding on a sagged flat roof as shown at left. A canale roof scupper is a spout drain installed in the parapet of a flat roof building to drain rainwater. Each of these systems has its own pros and cons. It is best practice not to place drains near skylights.

The scupper is locked and soldered to the closure flange on all sides. There are three types of drain systems commonly used on flat roofs. Of course the best designed flat roof has the correct amount of pitch to drain the water off naturally. Using this method permits adding a drain at the roof s low point.

On the roof side overflow scuppers can be detailed similar to detail 10 5d. Scuppers are roof drains on the edge of the roof. Notice that the new drain extends through the shortest possible route to the building exterior where it is conducted to ground or to a storm drain.