Do you know that according to official studies, for every 2 mm reduction of the minimum required concrete cover, the life of the structure is reduced by 10 years!? What do you know about the role of spacers or plastic spacers in dealing with the risk of iron corrosion and oxidation in concrete structures? In this article, in a simple and comprehensive way, you will learn about the use of concrete spacers and types of plastic spacers in the construction industry