Spiral staircase with a lateral stringers Scale nilur srl
ASTRALE E

Standard description
Round spiral staircase with steel helicoidal centre pole
wooden tread
steel balusters
round steel newel post
round steel handrail
the wooden parts are in lamelled beech
Optional
Extra balustrade to guard the ceiling hole or gallery
wooden distance rings
special shaped landing
double-width 1st tread (to facilitate the stair's access)
Dimensions
available diameters: from 1000 mm to 2000 mm (every 100 mm: i.e. 1000-1100.. etc.)
suggested risers for diameters from 1000 mm to 1600 mm: from 210 mm to 240 mm
suggested risers for diameters from 1700 mm to 2000 mm: from 195 mm to 220 mm
Other informations
painting for steel parts: powder coating
painting for wooden parts: water paints
suitable for: round - square - rectangular holes - galleries
average delivery time: 8/10 weeks