Trench shoring company manhole boxes provide four wall protection for the ultimate in worker safety. Specially built for manhole installations, tie-ins and repair work, manhole boxes provide the flexibility you need with the protection requires. Manhole boxes are available in 4, 6 and 8 heights and come either 8 or 10 square. Manhole boxes are available with solid sides or cut outs at the bottom. Specially built for manhole installations, tie-ins and repair work. Manhole boxes can be stacked in combination with flex-shield boxes for unique applications.
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