Controflow exclusively from SuDS store

Controflow Parapet Wall Roof Outlet Overflow Chamber


Applications – blue and green roofs.

A universal overflow chamber for use on blue and green roofs with parapet wall outlets. Designed to allow water to flow unrestricted through the parapet wall, preventing green/blue roof constructions from exceeding the designed top water level. The chamber is supplied with an integral debris filter and a standard 110mm Ø push fit coupling for connection to existing roof outlets. Supplied complete with light duty cover. The control chamber should be located at the edge of the roof in the pebble perimeter strip to protect the inlet.

Key Points:

  • Universal parapet roof outlet
  • Unrestricted overflow to existing outlet

Please specify:

  • if polypropylene cover is required