An acrylic fireproof coating comprised of constituents including water, styrene acrylic polymer, refined white dolomite #0, processed granite #70, processed white marble #90, calcium sulfate, silicon concentrate 10 percent, titanium dioxide, polyethylene glycol, butoxyethanol, light mineral spirits, #5 nano beads and phosphorus trichloride PCl 3. Also included is the method of preparing the acrylic fireproof coating.