The Structural Glass System can provide a complete glass envelope for a building structure without the use of conventional frames or mullions. Structural Glass System will satisfy the most demanding and creative architectural requirements. It is engineered to permit glazing in any plane, enabling flush glazing to sweep up walls, slopes and over roofs on one continuous surface. Combined with the versatile range of Pilkington glass products, the best system performance on both aesthetic and functional levels can be achieved. The Structural Glass System is characterised by countersunk bolts providing a plane surface. Systems using patch fittings are also available. Structural Glass System offers considerable scope for creative design of support structures. Support structures can be conventionally load carrying - vertically or horizontally, or they can act in suspension. Support structures can be located internally or externally and can