FLY Steps/Treads: Wood/Glass/Stone. Banister: Glass. Technical details: Landing, CURVED STAIRCASE. Self supporting stair: Wooden stairs with steel core for self supporting stair construction solution 60mm thick. Stairs in cement masonry with steel bolts (acoustic insulation anchored). Stair width up to 1150mm. Steel tread optionally finished with wood. Stair banister made of: Special connection strength according to statics. Special glass made as segments in straight parts, glued with clear membrane. All edges chamfered and ground. Glass banister attached to stairs as load bearing construction. Fitted round or rectangular wooden handrail in notched glass according to customer wishes. Banister height 1000mm.