Modern and beautiful line of five-chamber widow profiles bestow exceptional style on our products. Windows of the FORIS 500 system are featured by unsurpassed performance parameters. Owing to special design window frames with the height of 76mm and installation depth of 72mm – FORIS 500 guarantee perfect parameters of thermal and acoustic insulation. The U-factor (coefficient of thermal insulation for windows profiles) for FORIS 500 profiles is as low as is Uf=1,2 W/(m2xK) which guarantees substantial savings on heating costs. Due to exceptional technical parameters and modern design the FORIS 500 system is recommended for building with top standard of trim.