Flat Roof Scupper Drain Detail

The scupper is locked and soldered to the closure flange on all sides.

Flat roof scupper drain detail.

There are roof coating products available if there isn t enough slant or slope to accomplish this. 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. Firestone has developed cad drawings of its tpo installation details to assist roofing professionals with the specification of firestone tpo roofing systems. 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.

The best draining system for a flat 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. There are some residential roofs that are built like commercial roofs and more likely have an inner drain system. Each of these systems has its own pros and cons.

The top of the roof side flange is extended into a masonry joint. 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. A scupper is almost always part of a peripheral drainage system which is a drainage system in which the water drains off the sides of the roof instead of through the roof itself using drains an internal drainage system.

Most residential roofs are sloped to the edge and a gutter system catches the water. When a scupper is connected with a down pipe the chances are it will freeze during winter and not drain any water. There are three types of drain systems commonly used on flat roofs. The detail drawings are grouped by details and can be downloaded below in dwg or pdf format.

Of course the best designed flat roof has the correct amount of pitch to drain the water off naturally. Scuppers are roof drains on the edge of the roof. It is best practice not to place drains near skylights. A canale roof scupper is a spout drain installed in the parapet of a flat roof building to drain rainwater.

This is a small flat roof with a wide mouth scupper. The detail shows an alternate method of constructing either type of scupper. On the roof side overflow scuppers can be detailed similar to detail 10 5d.