Flat Roof Scupper Drain Detail

To design a sloped or flat roof drainage system we need to know the anticipated maximum rainfall rate and the flat or projected roof area.

Flat roof scupper drain detail.

Each of these systems can become clogged by debris. Each of these systems has its own pros and cons. Flat roofs that are designed to have scuppers as a drainage system are almost maintenance free. 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.

There are three types of drain systems commonly used on flat roofs. Hold your cursor over the file name to view when a drawing was last updated. Download free high quality cad drawings blocks and details of roof drains organized by masterformat. Debris and small objects will not get stuck.

Scuppers can be installed to carry water into gutters or directly into downspouts through conductor heads. 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 major maintenance issue shared between all types of roof drains is debris removal. What is the general area of a flat 1 4 1 0 slope single ply roof for each roof drain ratio for the number of roof drains roof area.

The detail drawings are grouped by details and can be downloaded below in dwg or pdf format. Scuppers will play one of two roles in a roof system. In short a scupper is a detail that provides drainage to a roof system by allowing the water runoff from the roof to exit the roof through a metal edge parapet wall or through the deck into a downspout or leader not run through the interior of the building. Regular cleaning and unblocking of the drains gutters and scuppers is mandatory.

A canale roof scupper is a spout drain installed in the parapet of a flat roof building to drain rainwater. Wide mouth scuppers are the best for draining water off a flat roof. 6 24 2014 david howard aia said. Firestone has developed cad drawings of its tpo installation details to assist roofing professionals with the specification of firestone tpo roofing systems.

An overflow drainage system will be designed to function independently of the primary system to drain water from the roof. Scuppers are used to provide an outlet through parapet walls or gravel stops on flat and built up roofs to allow drainage of excess water.