Heat-insulating coating up to 150 ° C, also suitable as a safety coating in areas where the system is trafficked by operators. It contains and retains process temperatures with considerable advantages compared to traditional coimbentation (laminates and rock wool), among all the advantage of having the treated surfaces in view, the non-formation of undercooling corrosions and the ease of maintenance restoration with further applications in the time. It also prevents the temperature variations of the fluid contained in the equipment treated, completely eliminating the phenomenon of solar radiation.