ADRET bottom quarter-turn staircase in solid fir — alternating steps, height 280 cm. 13 steps, width 67 cm, footprint 183 cm, recommended stairwell opening 183x70 cm. Handrail included. Right-handed or left-handed. Cuttable — minimum height 240 cm (footprint 162 cm). The alternating steps allow a reduced footprint compared to a standard quarter-turn of the same height. Maximum load: 150 kg. Fixings and instructions included, delivered in 2 parcels. Interior use only.
The ADRET staircase is a bottom quarter-turn staircase with alternating steps in solid fir, designed for spaces with a reduced stairwell opening. With a footprint of only 183 cm for a floor-to-floor height of 280 cm, it offers a significantly smaller floor area than a standard quarter-turn staircase of the same height. The alternating steps alternate the load-bearing points left and right, reducing the footprint whilst maintaining acceptable comfort for regular access. The handrail is included in the delivery — no additional accessories required for a standard installation.
The staircase is delivered as a kit in 2 parcels, with fixings and assembly instructions. It is cuttable to adapt to heights below 280 cm — minimum cuttable height: 240 cm (floor footprint reduced to 162 cm). It is available only as a bottom quarter-turn, right-handed or left-handed as chosen. The maximum supported load is 150 kg. The solid fir is delivered raw and untreated: a finish (varnish, oil, or stain) must be applied before installation to protect the wood and prepare it for daily use.
| Characteristic | Value |
|---|---|
| Model | ADRET |
| Type | Bottom quarter-turn with alternating steps |
| Timber species | Raw solid fir |
| Floor-to-floor height | 280 cm (cuttable min. 240 cm) |
| Number of steps | 13 |
| Width | 67 cm |
| Floor footprint | 183 cm (162 cm when cut down to 240 cm) |
| Recommended stairwell opening | 183 x 70 cm |
| Direction | Right-handed or left-handed as chosen |
| Handrail | Included |
| Maximum load | 150 kg |
| Use | Interior use only |
| Packaging | 2 parcels — fixings and instructions included |
Check your stairwell dimensions before ordering: minimum 183 cm in length and 70 cm in width. If your floor-to-floor height is less than 280 cm, the staircase can be cut down to a minimum of 240 cm — the floor footprint will then be reduced to 162 cm. Any modification to the staircase or handrail is carried out under the installer's responsibility and excludes after-sales service cover.
Specify the direction (right-handed or left-handed) when ordering — it is defined in relation to the direction of ascent. A right-handed bottom quarter-turn turns to the right as you go up. Apply a finish (varnish, oil, or stain) on all faces before installation, including cut ends. On the alternating steps, pay particular attention to the junction areas between the two half-steps, which are more exposed to wear.
Raw solid fir must be protected before use. A staircase varnish (2 to 3 coats) offers the best abrasion resistance on the steps; an oil-wax or stain is suitable for the stringers and handrail if a more natural appearance is desired. Renew the protection on the steps every 3 to 5 years depending on the level of traffic. In the event of minor scratches, light sanding followed by a brush touch-up is sufficient to restore the protection locally.
What to know before buying: the alternating steps of the ADRET require alternating left/right foot placement — the ascent is more intuitive than it appears, but does require a few days of adjustment for those unfamiliar with this type of staircase. This model is not recommended as a main staircase for people with reduced mobility or for frequent carrying of bulky items. For a height of 240 cm, make sure to check the cut-down footprint (162 cm) before confirming the stairwell opening. The floor fixing hardware is not supplied — provision should be made according to the type of surface (concrete, timber, tiles).
The ADRET uses alternating steps: each half-step is offset from the other, which reduces the floor footprint (183 cm) compared to a standard bottom quarter-turn of the same height (generally 250–280 cm). In return, the ascent alternates between left and right support. For regular access to a mezzanine or loft, it is a good compromise between space saving and comfort.
Yes. The ADRET can be cut down to a minimum floor-to-floor height of 240 cm. The floor footprint will then be reduced to 162 cm. The handrail can also be cut down in the same proportions. Please note: any modification to the staircase or handrail is carried out under the installer's responsibility and excludes the WoodUp after-sales guarantee.
No. The ADRET is not available as a top quarter-turn in standard configuration. For a top quarter-turn in fir, refer to the NERONNE model (ID 27) or BAVAT Fir (ID 997). A bespoke solution can be assessed by the WoodUp customer service team depending on your configuration.
The included handrail is designed to rest on the staircase stringers. Wall fixings for the handrail are not compulsory if the stringers are securely anchored to the floor and upper landing. If your configuration requires additional wall fixings, provide wall brackets suited to your wall type (concrete, brick, plaster) — not supplied with the staircase.
For the steps, a staircase varnish (2 to 3 coats) is recommended for its abrasion resistance. For the stringers and handrail, an oil-wax or stain provides a more natural appearance. Apply the finish before installation, on all faces including cut ends. Renew the protection on the steps every 3 to 5 years depending on use.
The direction is defined in relation to the direction of ascent. A right-handed bottom quarter-turn staircase turns to the right as you go up. To determine it: stand at the bottom of the staircase, facing upwards — if the quarter-turn is on your right, it is a right-handed model. If you are unsure about your configuration, contact WoodUp before ordering for confirmation.
NERONNE - Top quarter-turn fir staircase
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