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Steel Manhole Shutters
Trench Control steel manhole shutters are designed to form a 150mm thick concrete surround to circular pre-cast 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.
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