Factro Attic Windows Aresistant to Sharp Temperature Differences and the Action of Varius Aggressive Substances. ALSO, The Technology for the Production of Such Windows Provides High Glass Strength, So Fakro Windows Are not Afraid of the City. The Windows of this Brand Are Made According to a SPECIAL HEAT-SAVING TECHNOLOGY, In Which The Cavites of the Double-Glazed Windows are Filled with. This Technology Helps to Maintain Heat, Thereby Saving the Energy that is Necessary to Heat this Room. Additional amenites of Such a Window Structure Are in Its Equipment by Automatic Anti -emergency and Anti -Drummer Devices. In Addition, This Company Produce Llying Windows, Windows Equipped with Various Opening Systems for Rooms with High Humidity, and T. D.