TCL steel manhole shutters are designed to form a 150mm thick concrete surround to circular precast manhole rings. Manufactured from 2 mm flexible mild steel & normally supplied in 1800mm high units. Panels are designed in modular form and thus enabling concrete surround to be poured for manhole rings from 900 mm – 2700 mm internal diameter. Panels are jointed by the well proven key and locking wedge system. Polypropylene Manhole shutters can be supplied on request.
Custom manhole shutters of any size and concrete thickness can be catered for.