Available in round, square and rectangular, pro-rings are manufactured from Expanded Polypropylene (EPP) which is knoiwn for its exceptional strength to weight ratio, durability, chemical resistance and long service life under harsh conditions.

One man can install the pro ring system in minutes to within a quarter inch of finished grade and they are watertight. Where concrete rings break and may cause injury, the pro ring system eliminates the hazard, helping minimize the risk of injury. The system can reduce manhole installation and repair time.

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