Roof Drains Or Scuffers

The roof is sloped toward the scuppers and water simply drains out through the scuppers.

Roof drains or scuffers.

Scupper roof drains from zurn manufactures a variety of sizes and finishes. 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. The full flow capacity of a drain is not realized until the water reaches approximately 2 5 inches above the inlet in a four inch drain and 3 5 inches in a six inch drain. This will never clog up with leaves.

A roof scupper is a roof drainage system that provides drainage of a flat roof 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. The best draining system for a flat roof. An overflow drainage system will be designed to function independently of the primary system to drain water from the roof. Scuppers will play one of two roles in a roof system.

Scuppers are commonly used on flat roofs that have a parapet or other type of perimeter barrier enclosing the roof. E there is at least one drain for each 900 m 2. Scuppers are open holes or channels cut into the roof edge or parapet. This is the best type of scuppers because it has a wide opening to allow debris to wash off during a good rain.

Aluminum retrofit roof drain with anti ponding membrane clamp insert seal connector vandal resistant aluminum flip top dome 4 heavy duty threaded anchoring studs submittal sheet 3270 scupper drain with angle grate. Outer face and front lip 26ga galvanized steel with soldered seams. Cast options ranging from iron to stainless steel. 3 where the height of the parapet is more than 150 mm or exceeds the height of the adjacent wall flashing a emergency roof overflows or scuppers described in clause 2 c shall be provided and b there shall be a minimum of two roof drains.

The factors which affect proper roof drainage are deck slope drain flashing size and placement of drains. This is a small flat roof with a wide mouth scupper.