PE 78 N WINDOWS Three-chamber profile system with "Eurogrope" for window construction with thermal insulation Profile depth for frames 78 mm, sash 86 mm Filling - glass, glass packages, panel filling from 23 - 61mm Thermal gaskets with a width of 42 mm are used Thermal insulation - thermal conductivity coefficient (for frame) Uf = 1.2 - 1.9 W / m2K