Reinforced concrete rings in the construction product market are presented in a very large assortment. Modern industry has established the production of such products in accordance with the requirements of today’s time. Reinforced concrete rings are available, depending on the purpose, with different diameters, from 0.75 to 2.0 m, with a module after 0.25 meters. The height of the rings is 0.8-0.9 meters.