For projects that need a longer compact run, the S8N provides a stable, straight timber staircase in Craftsmans Pine. The on-page configurator helps you dial in rise, going and pitch in line with Part K principles (target ≤ 42°), shows 2R+G in real time, and calculates total plan length including nosing overlap and riser thickness—so you can check fit before ordering.
Layout & sizing
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Straight flight: 9 risers / 8 goings
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Rise per step adjustable 180–220 mm
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Overall width (strings): 600–1000 mm
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Total plan length calculated live (includes nosing overlap + riser thickness)
Timber specification
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Strings: 32 mm EdgeLam Engineered Pine
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Treads: 22 mm EdgeLam Pine
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Risers: 12 mm plywood as standard (upgrade to Pine; thickness auto-set by width)
Typical applications
Ideal for lofts, mezzanines, garage conversions and split-level spaces where a straight, made-to-measure timber staircase gives the cleanest layout.
Compliance note: The configurator flags pitch and 2R+G for guidance; final compliance depends on installed dimensions and site conditions.
Key specs
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Model: S8N — 9 risers / 8 goings
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Rise per step: 180–220 mm
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Width range: 600–1000 mm
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Pitch target: ≤ 42° with 2R+G feedback
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Strings: 32 mm EdgeLam Pine
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Treads: 22 mm EdgeLam Pine
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Risers: 12 mm plywood (Pine upgrade available)





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