According to the assumptions of the European standard, it should be expected that concrete made in accordance with the requirements for the indicated exposure classes will be durable in the environment for which it was designed, provided: proper arrangement, compaction and care, ensuring reinforcement wrapping, designing the concrete structure in accordance with the actual requirements of the conditions environment, operation of the structure in the conditions for which it was designed, compliance with proper maintenance. The class of concrete is determined in the design by the designer. When valuing, it is worth paying attention to it, because especially higher grades of concrete have a greater proportion of cement in the concrete mix, which has a significant impact on the price of concrete. Order concrete in our company "Ready Mix Concrete Blackfriars". Bet on quality and professionalism