The Amsterdam's beautiful proportions and simplicity of craftsmanship make it a true classic and ideal for loft conversions, libraries, galleries and mezzanines. The 142/74mm paddle style treads make the Amsterdam comfortable and safe to climb. One ranch style handrail is supplied as standard. The stair is set at 63 degrees to take up the minimum of space and will suit any floor to finished floor height of 2,980mm. The minimum loft opening required is 1200mm x 600mm. The width of the staircase is 572mm with banister or 545mm without. The Amsterdam is made using traditional techniques from Spruce that is unfinished, allowing you to customise the stair to suit your decor. Supplied flat packed, the stair is an easy DIY fit without the need of specialist tools or knowledge.