Roof Drain Occupied Roof

Watts drainage products rd 300 r series 6 in.

Roof drain occupied roof.

Building drainage roof drains. Storm water can be received in three different ways. A scupper is a drainage point on the edge of the roof. Roof drains are generally installed on flat roofs or roofs surrounded by parapet walls.

Cast iron roof drain with 2 in. The main benefit of inner drains is that the system is hidden from view. They are incorporated into the walls or parapet. Inner drains are resistant to freezing but can require careful maintenance to prevent problems.

Usually scuppers are part of the backup drainage system that helps the roof shed excess stormwater. Watts drainage products rd 300 r series 4 in. Application access covers boxes animal shelter zoo apartments canopy terrace combination main overflow drain. Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs.

Inner roof drains are used on flat roofs and include a low section or channel that collects water and feeds it into a concealed drain that leads to an underground drainage system. Close coordination with structural engineering relative to location and roof pitch as well as proper sizing in accordance with local climactic conditions are the basis for the design of the roof drainage system. A roof drain is installed on a building roof or canopy to convey storm water from the roof or canopy to the storm drainage sewer or retaining area. Pitched roofs not surrounded by parapet walls are generally drained by gutters.

If a scupper is part of the overflow system then it will be a few inches typically two inches above the roof surface.