Straight solid wood spindle for balustrade

Straight solid wood baluster for balustrade

Straight solid wood spindle for a balustrade

Name: Straight solid wood spindle for a balustrade
Brand: Levigne
SKU: LDD095VS
Price: 3.1 EUR
Availability: InStock

Straight solid wood spindle, 95 cm high – 50x18 mm cross-section, smooth profile. Douglas fir, fir, pine or beech. Unfinished and untreated, ready to paint or varnish. Sold individually. Maximum gap of 11 cm between spindles (NF P01-012 standard). Compatible with bottom rails with an 18x15 mm groove and WoodUp balustrade kits. Calculate the quantity: length ÷ 150 mm = number of spindles. Beech and fir: indoor use only. Douglas fir: sheltered outdoor use possible. Pine: indoor use only.

Wood species

Reference LDD095VS

€3.10 incl. tax

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Straight solid wood spindle, 95 cm high, 50x18 mm cross-section – 4 wood species for balustrades

This straight solid wood spindle forms the vertical infill of a wooden balustrade. Available in four wood species – Douglas fir, fir, pine or beech – it is 95 cm high with a 50x18 mm cross-section. Sold individually, it lets you build the infill for a custom balustrade or replace a damaged spindle in an existing installation. A balustrade is also known as a guardrail.

The 50x18 mm cross-section is standard for WoodUp spare parts: it fits directly into the 18x15 mm grooves of solid wood bottom rails and into the rebates of the handrails in fir balustrade kits. The gap between spindles must not exceed 11 cm – a regulatory requirement for landing balustrades (NF P01-012). For a width of 1 metre, allow approximately six 50 mm spindles with 11 cm gaps.

Key specifications

Specification	Value
Available wood species	Douglas fir / Fir / Pine / Beech
Height	950 mm
Cross-section	50x18 mm
Finish	Unfinished and untreated
Maximum spacing	11 cm between spindles (NF P01-012 standard)
Compatibility	Bottom rails with an 18x15 mm groove; WoodUp kit rebates
Beech use	Indoor use only
Douglas fir use	Indoor and outdoor use
Sold	Individually

Key points

✓ Standard 50x18 mm cross-section – compatible with WoodUp bottom rails with an 18x15 mm groove
✓ Spacing ≤ 11 cm – meets the balustrade spacing standard when correctly spaced, straight out of the box
✓ 4 wood species – from the most economical (fir) to the most resistant outdoors (Douglas fir)
✓ 95 cm high – fits between the bottom rail and handrail of a standard 1 m-high balustrade
✓ Sold individually – for a complete build or a single replacement

Installation tips

Calculating the number of spindles: Divide the usable length of your balustrade by the spindle width plus the maximum gap: 50 mm + 110 mm = 160 mm per spindle. For 2 metres, allow approximately 2000 ÷ 160 → 12 spindles. Always check the actual spacing before final fixing.

Installation: Insert the spindles into the bottom rail groove (the 18 mm depth holds them in place). Space them evenly along the full length before fixing the handrail. For balustrades without a groove, secure the spindles with discreet side screws or concealed brackets. Always pre-drill to prevent the top of the spindle from splitting.

Finishing: Apply the finish before installation so you can easily cover every side. Once the spindles are in place, the sides are difficult to reach. Two coats of hardwax oil or clear floor varnish applied with a brush cover the wood thoroughly before insertion.

Care and protection

Without a finish, untreated wood stains and reacts to moisture. Indoors, a clear floor varnish or hardwax oil is sufficient. Outdoors (Douglas fir only recommended), apply an exterior saturating oil and renew every 2 years. Untreated fir and pine outdoors last a few months before greying and deteriorating – an exterior wood stain is essential.

WoodUp tip

Before you buy: the straight spindle fits into the bottom rail groove (18x15 mm) – check compatibility before ordering if you are using a rail from another brand. The maximum permitted gap between spindles is 11 cm (NF P01-012) for balustrades where children are present. To calculate the number of spindles for your span: length ÷ (50 mm + 110 mm) = number of spindles. In Douglas fir, this spindle is suitable for sheltered outdoor use with an appropriate finish. The other wood species are for indoor use only.

Frequently asked questions

How many spindles are needed for 1 metre of balustrade?

For 1 metre of usable length, with 11 cm gaps between 50 mm spindles: 1000 ÷ (50 + 110) = 6.25 → 6 spindles. Check the actual spacing: 6 spindles over 1 m give (1000 - 6x50) ÷ 7 gaps ≥ 100 mm per gap – slightly below the regulatory maximum of 11 cm, so this is compliant.

Is this spindle compatible with WoodUp fir balustrade kits?

Yes. WoodUp fir balustrade kits (2 m fir balustrade kit + 1 post, 1 m fir balustrade kit without post, 2 m fir balustrade kit without post) use spindles with a 50x20 mm cross-section. The straight solid wood spindle has a 50x18 mm cross-section and is slightly thinner: it fits into the rebates of the fir kits with a 2 mm gap, which can be filled with a dab of wood glue if necessary. For a perfect fit, check the groove width of your bottom rail.

Can Douglas fir spindles be used outdoors without treatment?

Untreated Douglas fir can withstand outdoor conditions for several years thanks to its class 3 durability. It gradually turns grey but retains its mechanical properties. To preserve its original honey colour, apply an exterior wood saturating oil when installing it and renew annually. Without treatment, greying is natural and does not affect its structural integrity.

What is the difference between the 50x18 mm straight solid wood spindle and the 95x18 mm straight board?

The straight board (95 cm straight balustrade board) is 95 mm wide, compared with 50 mm for the spindle (straight solid wood spindle). The board is used for infill with wider gaps between elements or to create a vertical panel effect. The spindle is the traditional vertical baluster. Both have the same height (95 cm) and thickness (18 mm), and fit the same bottom rails with an 18 mm groove.

How do I calculate the number of spindles for a balustrade?

The spindle is 50 mm wide. The maximum permitted gap between spindles is 110 mm (NF P01-012 standard). For a 2-metre balustrade with 100 mm spacing: 2000 ÷ 150 (spindle + gap) = approximately 13 spindles. In practice, WoodUp kits already include the right number of spindles for standard lengths. For a custom length, WoodUp calculates the exact quantity when you order.