Raise your manhole rings to grade from underneath with Bass & Hays’ reinforced concrete grade rings. Proudly made in the USA, these durable rings are H-20 traffic rated when used with a corresponding H-20 rated manhole ring properly installed in reinforced concrete. While we stock standard sizes, non-standard dimensions may be available through special order to meet your project’s unique requirements, ensuring a reliable and precise fit. Contact Bass & Hays or call us today Toll Free 1-800-258-2278 -or- 972-263-1360 DFW Metro to check stock, request drawings or submittals, BABA, AIS or LEED certifications, or place orders. Standard sizes available- 24″ diameter– 2″ 3″ 4″ & 6″ heights 30″ diameter– 2″ & 3″ heights
