Flat Roof Scupper Drain Detail

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.

Flat roof scupper drain detail. Field fabricated wall expansion joint flat type detail. 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. When a scupper is connected with a down pipe the chances are it will freeze during winter and not drain any water.

Scuppers are roof drains on the edge of the roof. Using this method permits adding a drain at the roof s low point. This is a small flat roof with a wide mouth scupper. The best draining system for a flat roof.

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. The detail drawings are grouped by details and can be downloaded below in dwg or pdf format. 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. The scupper is locked and soldered to the closure flange on all sides.

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. Cover strip end lap treatment. The top of the roof side flange is extended into a masonry joint.

Drain with inter ply parapro flashing. 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. Field fabricated wall expansion joint curb type detail.

Download free high quality cad drawings blocks and details of roof drains organized by masterformat. Paraguard roof drain with paraflex 531 liquid flashing. Of course the best designed flat roof has the correct amount of pitch to drain the water off naturally. 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.