Image of PRO-RINGs-New Pro-ring sizes


We’ve expanded the PRO-RING product line offering again!

We are excited to announce the addition of two highly sought sizes including angle and finish ring designs:

• 24” I.D. X 20” I.D. Rectangular PRO-RING in heights of .75”, 1”, 1.25”, 1.5”, 2”, 3”, 4” and 2 – 2”X1” Angle Rings. One angle is the long side and the other is the short side These are primarily for Washington State standard stormwater inlets but there may be applications for this elsewhere.

• 46” O.D. X 36” I.D. Round PRO-RING in heights of .75”, 1”, 1.25”, 1.5”, 1.75”, 2”, 2.25”, 2.50”, 4” and 6” Finish Rings, 2”, 4” and 6” Grade Rings and a .75”X1.75” Angle Ring These are mainly for use on large diameter trunk and interceptor sewers where the manhole openings are larger. We have also found that there are opportunities in Telecommunication, Electrical and other underground utility vaults.

Key Benefits to a PRO-RING solution:

  • Lightweight
  • Industry leading 25 year warranty
  • Reliable-50 year design life
  • High strength & traffic rated
  • Safer to install • Durable
  • Less expensive over the long haul
  • Variety of heights and angles
Angular Pro-Ring being installed
Round Pro-Ring being installed in the field

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