Flex-O-Ring manhole adjustment ring

Our Flex-O-Ring is a multi-purpose **0% recycled rubber composite with a polyurethane elastomer that encapsulates the rubber particles. It is available in various sizes including circular, square, rectangular, flat and tapered to fit the required application!

Some major benefits:

• Unbreakable – Reusable – No waste – Cost effective!
• Light weight! Allows ease in handling!
• Will not rot of breakdown!
• Allows uniform adjustment!
• Minimize traffic vibration.
• Reduce stress on existing structure
• Eliminate water infiltration!

The Flex-O-Ring – Rubber riser ring conform to established ASTM standards and has been approved by a number of U.S. State Highway Departments and a number of Province in Canada Department of Transport.