Sun resistant & insulating foil by Umisol Group nv. Buildings make adequate savings on cooling and heating costs because of the Umisol window films, increase comfort and lower running costs without bothersome construction work. Many buildings already have installed the Umisol速 foils, the European commission and European Parliament are in our portfolio. Internationally we also have references like GlaxoSmithKline or the Hilton hotel chain. The Umisol window films are tested according to the applicable EN norms and are known for their high quality.