Ready-mixed concrete containing a recycled material content ranging from 0.12% to 0.17% and an external by-product content ranging from 7.14% to 10.30%, mainly derived from cement incorporating recycled material and external by-products. The product is certified in Class C according to the ReMade® Technical Specification 2.0. Certified products: Rck 25, Rck 30, Rck 35, Rck 40.