Thermal insulating paint for exterior that improves the heat distribution on the surface, ensuring an optimization of the heat exchange that from laboratory test results equal to 5 ° C. Developed for summer and winter insulation, it allows to enhance the thermal performance of the coating and thus save energy. It is also added with active ingredients effective against bacterial attack of fungi and algae. Due to its excellent resistance to thermal stress, it is ideal for painting in the maintenance phase of external insulation systems, in colours with light reflection index LRV >25. This product can be tinted with the AC16 tinting system.