Finishing product for application to an exterior floor made of freshly poured concrete, comprising a mixture composed of: (a) 25% to 38% W/W finishing product of a hydraulic binder; (b) 60% to 65% W/W finishing product of inert inorganic fillers; (c) 2% to 4% W/W finishing product of silica fume; and (d) up to 7% W/W finishing product of an additive selected from the group consisting of polymer resins, where appropriate in a mixture with pigments; said mixture endowing said floor with protection against the effects of freeze-thaw cycles in the presence of deicing salts, ▪ said hydraulic binder being a cement selected from the following cements: - Portland cement CEM I 52.5 N conformant with standard NF EN 197-1 and having complementary characteristics for "sea-water resistance" in accordance with standard NF P15-317 and for "works using waters with high sulfate content" in accordance with standard XP P 15-319; and - composite Portland cement CEM II/A-LL 42.5 N "White" conformant with standard NF EN 197-1 and having complementary characteristics for "sea-water resistance" in accordance with standard NF P15-317, ▪ said polymer resin being a styrene-butadiene copolymer resin in the form preferably of water-redispersible powder, and ▪ said inert inorganic fillers being selected from the group consisting of: - a mixture of fine sand having a size grading of 0.2 mm to 0.5 mm and a particle size D50 of between 320 microns and 360 microns, and medium sand having a size grading of 0.4 mm to 0.8 mm and a particle size D50 of between 580 microns and 610 microns, and, where appropriate, coarse sand having a size grading of 0.6 mm to 1.6 mm and a particle size D50 of between 920 microns and 960 microns; - a mixture of medium sand having a size grading of 0.4 mm to 0.8 mm and a particle size D50 of between 580 microns and 610 microns, and coarse sand having a size grading of 1.0 mm to 2.5 mm and a particle size D50 of between 1660 microns and 1740 microns; and - a mixture of fine cast-iron shot having a size grading of between 0.18 and 0.42 mm, medium cast-iron shot having a size grading of between 0.42 mm and 0.84 mm, and coarse cast-iron shot having a size grading of between 1.0 mm and 1.4 mm. (a) 25% to 38% W/W finishing product of a hydraulic binder; (b) 60% to 65% W/W finishing product of inert inorganic fillers; (c) 2% to 4% W/W finishing product of silica fume; and (d) up to 7% W/W finishing product of an additive selected from the group consisting of polymer resins, where appropriate in a mixture with pigments; ▪ said hydraulic binder being a cement selected from the following cements: - Portland cement CEM I 52.5 N conformant with standard NF EN 197-1 and having complementary characteristics for "sea-water resistance" in accordance with standard NF P15-317 and for "works using waters with high sulfate content" in accordance with standard XP P 15-319; and - composite Portland cement CEM II/A-LL 42.5 N "White" conformant with standard NF EN 197-1 and having complementary characteristics for "sea-water resistance" in accordance with standard NF P15-317, - Portland cement CEM I 52.5 N conformant with standard NF EN 197-1 and having complementary characteristics for "sea-water resistance" in accordance with standard NF P15-317 and for "works using waters with high sulfate content" in accordance with standard XP P 15-319; and - composite Portland cement CEM II/A-LL 42.5 N "White" conformant with standard NF EN 197-1 and having complementary characteristics for "sea-water resistance" in accordance with standard NF P15-317, ▪ said polymer resin being a styrene-butadiene copolymer resin in the form preferably of water-redispersible powder, and ▪ said inert inorganic fillers being selected from the group consisting of: - a mixture of fine sand having a size grading of 0.2 mm to 0.5 mm and a particle size D50 of between 320 microns and 360 microns, and medium sand having a size grading of 0.4 mm to 0.8 mm and a particle size D50 of between 580 microns and 610 microns, and, where appropriate, coarse sand having a size grading of 0.6 mm to 1.6 mm and a particle size D50 of between 920 microns and 960 microns; - a mixture of medium sand having a size grading of 0.4 mm to 0.8 mm and a particle size D50 of between 580 microns and 610 microns, and coarse sand having a size grading of 1.0 mm to 2.5 mm and a particle size D50 of between 1660 microns and 1740 microns; and - a mixture of fine cast-iron shot having a size grading of between 0.18 and 0.42 mm, medium cast-iron shot having a size grading of between 0.42 mm and 0.84 mm, and coarse cast-iron shot having a size grading of between 1.0 mm and 1.4 mm. - a mixture of fine sand having a size grading of 0.2 mm to 0.5 mm and a particle size D50 of between 320 microns and 360 microns, and medium sand having a size grading of 0.4 mm to 0.8 mm and a particle size D50 of between 580 microns and 610 microns, and, where appropriate, coarse sand having a size grading of 0.6 mm to 1.6 mm and a particle size D50 of between 920 microns and 960 microns; - a mixture of medium sand having a size grading of 0.4 mm to 0.8 mm and a particle size D50 of between 580 microns and 610 microns, and coarse sand having a size grading of 1.0 mm to 2.5 mm and a particle size D50 of between 1660 microns and 1740 microns; and - a mixture of fine cast-iron shot having a size grading of between 0.18 and 0.42 mm, medium cast-iron shot having a size grading of between 0.42 mm and 0.84 mm, and coarse cast-iron shot having a size grading of between 1.0 mm and 1.4 mm.