Flooring in double-layer vibro compressed concrete slabs consisting in a rectangular format of dimensions 50 x 25, thickness 10 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. The slabs have about 40% of void and they are made to drain water.