Flat Roof Scupper Drain Detail

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Flat roof scupper drain detail.

Paraguard roof drain with paraflex 531 liquid flashing. This is a small flat roof with a wide mouth scupper. The detail shows an alternate method of constructing either type of scupper. Scuppers are roof drains on the edge of the roof.

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. Drain with inter ply parapro flashing. Firestone has developed cad drawings of its tpo installation details to assist roofing professionals with the specification of firestone tpo roofing systems. On the roof side overflow scuppers can be detailed similar to detail 10 5d.

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. Field fabricated wall expansion joint curb type detail. A canale roof scupper is a spout drain installed in the parapet of a flat roof building to drain rainwater. Field fabricated wall expansion joint flat type detail.

Cover strip end lap treatment. There are roof coating products available if there isn t enough slant or slope to accomplish this. When a scupper is connected with a down pipe the chances are it will freeze during winter and not drain any water. Download free high quality cad drawings blocks and details of roof drains organized by masterformat.

The best draining system for a flat roof. Hold your cursor over the file name to view when a drawing was last updated. The scupper is locked and soldered to the closure flange on all sides. 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.

Each of these systems has its own pros and cons. Using this method permits adding a drain at the roof s low point. Of course the best designed flat roof has the correct amount of pitch to drain the water off naturally. 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.