transparent photocatalytic composition for building components interior and exterior of buildings

transparent photocatalytic composition consisting of a floor of photocatalytic titanium dioxide, a silica sol having self-binding properties and a film forming polymeric binder in dispersion or in aqueous emulsion and capable of forming a film after drying to under the action of ultraviolet radiation type A of decomposing organic materials, film-forming binder is selected from the group consisting of acrylic polymers or copolymers, styrene-acrylic, or vinyl, and polysiloxanes and mixtures thereof. A method of applying of said photocatalytic composition on the inner and outer structural elements of buildings.