Flooring in double-layer vibro compressed concrete slabs CE marked, produced and checked according to EN 1339, consisting of three rectangular and square formats of dimensions 36 x 24 - 24 x 24 - 24 x 12, thickness 8 cm. The particular double-layer finish is made with selected aggregates that guarantee high resistance to abrasion resistance, durability and coloration lasting over time. The blocks produced with natural aggregates (not recycled) and non-organic oxides, have a homogeneous and variegated finishing layer in color and an exposed surface with irregular irregular corner typical of natural stone, without bevel and the joints between the blocks they will have to present a larger size to improve its stability.