
Workers install the PRO-RING manhole and catch basin grade adjustment system (Cretex Specialty Products) on top of a repaired manhole cone.
In undertaking any rehabilitation project, the hope is that you and your crew won’t be back at that job site again anytime soon. That’s why it’s important to choose a solution that can withstand the test of time.
In the early winter of 2009, Cretex Specialty Products of Waukesha, Wisconsin, was looking for field test sites for a new product that was ready to be introduced to the underground construction market. That new product was the PRO-RING manhole and catch basin...