BAC's 'Isola' floating foil is suitable for both private and public use. It provides the best possible coverage of the water surface, ensuring maximum energy savings. Three different layers are bonded together in a complex process to prevent water evaporation, the resulting loss of heat and the ingress of dirt. BAC pool systems manufactures these high quality covers for everything from compact spas to large Olympic size pools. The Isola cover achieves energy efficiency class B according to the environmental standard DIN EN 17645.