Cretex Offers Square, Rectangular PRO-RINGs

Based on the success and acceptance of the round PRO-RING Manhole Grade Adjustment System, Cretex now offers square and rectangular PRO-RINGs.

This new product is manufactured from the same engineered polymer, expanded polypropylene (EPP), as the round versions and meets the loading requirements of AASHTO HS-25. EPP is renowned for its exceptional strength to weight ratio, chemical resistance, durability and long service life. PRO-RING is approximately 1/20th the weight of concrete grade rings, which makes them easier to handle, safer and reduces the risk of worker injury. 262.510.2763,

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