REHAU 80 is a high-quality PVC profile system for windows and doors, designed to provide an increased level of thermal insulation, sound insulation and individual design. With an installation depth of 80 mm and six chambers in the profile, this system provides very good thermal insulation, contributing to a significant reduction in energy consumption for heating. Windows made from Brillant-Design 80 profile also effectively absorb external noise, creating a calm and quiet atmosphere in the room.