Square manhole adjustment

Content Dam Ww Print Articles 2016 02 1602wwprd P12

Square manhole adjustmentContent Dam Ww Print Articles 2016 02 1602wwprd P12

Based on the success and acceptance of the round PRO-RING™ Manhole Grade Adjustment System, Cretex now offers square and rectangular PRO-RING™ systems. These new products are manufactured from the same engineered polymer, expanded polypropylene (EPP), as the round versions and meet 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.

Cretex Specialty Products

www.cretexseals.com

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