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Indoor stairs

JAP 250

The JAP 250 combined spiral staircase has a wood-panelled central column and is for interior use. The stair step is made of solid beech. Selection of oak, maple or ash

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Technical information

Possible width of stairsdiameter 105 - 160 cm

Material composition of stairs

  • wood structure
  • rung surfaces of hardwoods, such as beech, oak, maple, ash
  • rest of stairs: metal, wood, glass stainless steel

Wood surface treatment

  • varnishing – varnish shade per RAL swatch book – three-layer clear polyurethane varnish provides greater durability of wood components
  • oiling – protects the natural wood material from unwanted yellowing, re-oil after wear
  • brushing – makes the prominent wood grain stand out, done by mechanically removing the soft part of the annual ring
  • staining – treatment of wood colour shade; we also stain according to samples provided by the customer

Railings

  • type G, E, F
  • stainless-steel railing

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