Flat Roof Scupper Drain Detail

This is a small flat roof with a wide mouth scupper.

Flat roof scupper drain detail.

Download free high quality cad drawings blocks and details of roof drains organized by masterformat. Each of these systems has its own pros and cons. There are three types of drain systems commonly used on flat roofs. The detail shows an alternate method of constructing either type of scupper.

When a scupper is connected with a down pipe the chances are it will freeze during winter and not drain any water. The detail drawings are grouped by details and can be downloaded below in dwg or pdf format. Using this method permits adding a drain at the roof s low point. If water ponds on a flat roof it could lead to problems later on.

The top of the roof side flange is extended into a masonry joint. The best draining system for a flat roof. 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 scupper is locked and soldered to the closure flange on all sides.

Hold your cursor over the file name to view when a drawing was last updated. 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. A canale roof scupper is a spout drain installed in the parapet of a flat roof building to drain rainwater.

Firestone has developed cad drawings of its tpo installation details to assist roofing professionals with the specification of firestone tpo roofing systems. 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. 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. There are some residential roofs that are built like commercial roofs and more likely have an inner drain system. Of course the best designed flat roof has the correct amount of pitch to drain the water off naturally.