FlowPlumb Systems™ Manholes, or “inspection chambers” are designed to offer an easier, quicker, more precise, watertight & economical alternative to traditionally constructed chambers.

Used to change direction of the underground drainage pipe and to provide access to the underground system for maintenance.

Very quick to install

No waiting for cement to go off

Smooth internal surfaces prevent blockages

Smooth round external surface diverts tree roots around manhole

Tolerant of earth movement

Won’t crack or leak from tree routes or earth movement

PVC lid is strong, and has no theft value

Little skill needed to install

Gradient built in