An overflow drainage system will be designed to function independently of the primary system to drain water from the roof.
Residential roof scuppers.
The national roofing contractors association defines scupper as a drainage device in the form of an outlet through a wall parapet wall or raised roof edge typically lined with a sheet metal sleeve it is more often seen in apartments and other commercial buildings though is sometimes found in residential homes constructed with flat roofs.
We carry an extensive selection of roof drains wall drains shower drains and more to meet the needs of all property owners.
This is the best type of scuppers because it has a wide opening to allow debris to wash off during a good rain.
Discount roof drains and deck drains we carry all types of roof drains re roof drains overflow drains retrofit drains balcony drain deck drains floor drains roof drain accessories and scupper drains as well as replacement roof drain parts our drain solutions include both commercial and residential drains from leading suppliers like jdr j drain lsp marathon olyflow olympic.
Scuppers shall not have an opening dimension of less than 4 inches.
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.
Feb 13 2017 explore wascha studios s board gutters and scuppers on pinterest.
This is a small flat roof with a wide mouth scupper.
Scuppers will play one of two roles in a roof system.
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Many of our drains are available in a number of sizes and materials including stainless steel pvc tpo and copper.
The best draining system for a flat 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.
They can be used in conjunction with gutters and downspouts to divert the flow to the desired location.
Section 1503 4 2 scuppers when scuppers are used for secondary emergency overflow roof drainage the quantity size location and inlet elevation of the scuppers shall be sized to prevent the depth of ponding water from exceeding that for which the roof was designed as determined by section 1611 1.
Scuppers can be installed to carry water into gutters or directly into downspouts through conductor heads.