Great architecture cannot exist without great design. Helvia is a telescopic, full frame, sliding glass door suitable for indoor applications.. As all of our sliding glass systems it features Soft close function for smooth and safe operation. Maximum glass panel’s dimension 40 inches wide by 118 inches tall without any floor tracks. Optionally, the top track can be concealed to achieve an even more slim and minimal appearance. Perfectly suitable for areas such as meeting rooms, hotels, residential rooms.