The self supporting stair system Europa with cantilevered treads is available as a spiral stair or as a straight version. The spiral stair version has conical steps which are getting thinner towards the centre. Our cantilevered staircase designs are available in wood, concrete, acrylic and glass. Technical Details: Stairs: Cantilevered in Wood/Iron/Stainless steel Banister: Wood/Glass/Stainless steel Technical details: Landing, CURVED STAIRCASE Self supporting stairs Steel stair cone-shaped 160/60mm strongly made Steel stair in LOAD BEARING concrete masonry 25cm and/or brick wall sealed in at least 45cm. Stair width up to 1200mm. Steel tread made with optional wood or leather surround Stair railing consisting of: safety glass 8+8 Non load bearing bond with membrane, glued. All edges chamfered and ground. Glass railing attached to side of stairs at 5mm intervals with stainless steel bracket as load bearing construction. Fitted round or rectangular wooden handrail made according to customer wishes.. Banister height 1000mm