PRO-RING now in angular shapes. Get the most advanced concrete-alternative manhole grade adjustment system available today–now available for square and rectangular structures.
PRO-RING™ is the only manhole grade adjustment system made from Expanded Polypropylene (EPP). PRO-RING™ products provide a proven alternative to concrete grade or adjustment rings and is the most advanced adjustment system available anywhere. The material is renowned for its ability to stand up to the harshest of conditions without damage or deformity for many years.
Contact our experts for help
Designed to stand the test of time Only Cretex Specialty Products offers aRead more