The system is manufactured in the UK. Our expert staff are on hand to help you. Interior glass office walls are a great way to create a beautiful office environment and allow light throughout your entire office space. Includes Single Door. (Installation Included in the price). Double Glazed frameless glass office partitions provide a perfect solution where good acoustic properties are important. A 30/0 (integrity/insulation) fire-rated version of this system is also available. Integral blinds are available for our double glazed glass partitioning system.