Model HR
  • Model 5000
  • Model HR: True Spiral Helix
  • Model R: Full Spiral Helix
  • Model R: True Spiral
  • Model EW
  • Model EW: Oak
  • Model EW: Custom Maple
Spiral Staircase Model HR: True Spiral Helix
  • Model HR: True Spiral Helix Design
  • Diameters: 4'0", 4'6", 5'0"
  • Square stair: available in 6'0" diameter ONLY!
  • Available in: true spiral, square stair, spiral to straight
  • Rotation: 30°/tread
  • Floor to floor:120.75"
  • Tread Rise: 8¼" - 8¾"
  • Risers:16 risers @ 7.54
  • Rectangular shaped treads for safer footing.