This is a classic wood string staircase with the modern element glass as railing. It is a free standing, open plan design over two or more floors. Technical details: Steps: wood (also in glass or concrete available) Railing: tempered glass Wood string staircase with mortised treads; Open plan staircase, no risers Straight or turned with landing Treads and strings 40mm thick Handrail height 1000mm Handrail in wood if required or without handrail