Residential Roof Scuppers

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.

Residential roof scuppers.

A primary scupper in a parapet wall with a conductor head and a downspout and an overflow scupper. Flat roofed house in santa fe uses scuppers instead of roof drains and internal downspouts. Most of the time a scupper will lead water into a leader header. Wood blocking is required under scuppers to provide a nailable surface.

Installing a scupper from a flat roof to the gutter the outlet can be just a deep channel with a spout like an outlet or can go through a wall section. The scupper may channel water off the roof into a conductor box with a downspout or a gutter or with overflow scuppers it may let the water run freely down the side of the building. Scuppers can be used as primary or secondary overflow drainage. 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.

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 are installed at the perimeter of the roof area and can be located at openings in parapet walls and or openings in the perimeter metal. Proper flashing details are required at scuppers to prevent moisture infiltration into the roof system. Scuppers should be spaced no greater than 10 feet apart depending on the roof area drained.

Scuppers are fabricated with flanges on the roof side which extend 4 onto the roof. Gaf everguard everguard extreme scuppers are for use in waterproofing wall scuppers. Products are custom sized to meet your needs. The minimum recommended weight for the construction of scuppers is 16 oz.

Available in mill aluminum or certainteed s standard colors. Scuppers are drain outlets on the edge of a roof.