Warm sunlight casting shadows through window blinds, creating a tranquil indoor setting.

Window Treatments

Timber blinds: slats, finishes and living with real wood

How timber blinds are made and specified, from slat width and finish to tapes and sizing, and how real wood copes with Singapore's humidity.

Timber blinds are slatted blinds made from real wood, almost always in the horizontal Venetian form. The slats tilt to control light and privacy and lift to clear the window. Compared with aluminium, they are warmer to look at, more substantial and better at softening a room. Compared with faux wood, they are lighter for their size and have the grain and depth that only timber gives. The trade-offs are weight on large windows, sensitivity to moisture and a higher price.

This guide explains how timber venetian blinds are put together, which slat widths and finishes to consider, how they cope with Singapore’s climate, and how to keep them in good condition. For the wider range of options, see our guide to window treatments.

How timber blinds are made

A timber blind has four main parts: the head rail, which holds the tilt and lift mechanism; the slats; the ladders, which hold the slats at even spacing; and the bottom rail, which weights the blind.

  • Slats are cut from lightweight hardwoods chosen for stability and a fine, even grain. Lighter timbers matter because a full window of slats is heavy.
  • Ladders can be thin cords, which are discreet, or fabric tapes, which run down the front of the blind and cover the cord holes in the slats.
  • Operation is usually by a cord to lift and a wand or cord to tilt. Cordless and motorised options are increasingly common.

Our material page on Venetian blinds covers the mechanism in general; this guide concentrates on what is specific to timber.

Slat widths for timber venetian blinds

Slat width Character Best on
About 25 mm Fine and delicate; more slats, more lines Small windows, shallow reveals
About 35 mm Balanced, slightly traditional Medium windows, bedrooms
About 50 mm The most common; a clear, generous view when open Living rooms, studies, most windows
About 63 mm Bold, shutter-like Large windows, high ceilings

Wider slats give more view between them when open, fewer lines across the window and a stack that is deeper but no taller in proportion. Check the reveal depth before choosing: a wide slat needs space to tilt without hitting window handles.

Finishes and colours

Timber blinds are offered in natural, stained and painted finishes.

  • Natural and lightly stained: show the grain clearly and suit Japandi, Scandinavian and tropical interiors.
  • Dark stains: walnut, espresso and similar tones look tailored and work well with dark joinery and heritage interiors. They show dust more readily.
  • Painted white or off-white: crisp and fresh, with a shutter-like effect. Popular in coastal and colonial-style schemes.
  • Tapes: contrasting fabric tapes add a tailored line and help block light through the cord holes. They are a strong design statement, so sample them against your wall colour.

Strong sun can gradually change timber colour, so expect some ageing on west-facing windows. A sheer curtain in front reduces this.

Timber blinds and Singapore’s humidity

Wood absorbs and releases moisture from the air, swelling and shrinking slightly as it does. Singapore’s mean annual relative humidity is around 82%, and humidity can reach 100% in prolonged rain. Well-made timber slats are kiln dried and sealed with lacquer or paint, which slows moisture movement, but they are still not suitable everywhere.

  • Good locations: air-conditioned living rooms, bedrooms, studies and offices.
  • Use with care: rooms that are often closed up without air-conditioning, and windows that are regularly left open in the rain.
  • Avoid: bathrooms, wet kitchens, over sinks and covered outdoor areas. Faux wood or aluminium is the better choice there; see our guide to faux wood blinds.

Keep blinds clear of condensation on cold glass, and open them for part of the day so air circulates. If slats begin to warp, address the source of moisture before replacing them.

Fitting timber blinds

Inside or outside the window recess

Timber blinds can be fixed inside the window reveal or on the wall above it.

  • Inside mount: the blind sits within the reveal, framed by the wall. It looks tidy and built-in, but needs enough depth for the head rail and for slats to tilt without striking handles. Small light gaps show at the sides.
  • Outside mount: the blind is fixed above the opening and overlaps it at the sides. It gives better light control and privacy, hides an uneven reveal and lets the stack sit above the glass so more view is clear when the blind is raised.

In many condos, window frames sit almost flush with the wall, which makes an outside mount the practical choice.

Size and weight limits

Timber is heavier than aluminium, and a large blind can be hard to lift by hand and demanding on the mechanism. As a general practice, very wide or tall windows are split into two or three blinds sharing a common head rail or set side by side. This also makes each blind easier to operate. Your supplier will advise maximum sizes for the chosen slat and mechanism; ask before finalising window divisions in a renovation.

Fixings matter too. Concrete reveals and walls hold timber blinds well. Gypsum ceilings and bulkheads need timber or metal backing for the brackets.

Timber blinds compared with alternatives

Option Look Moisture tolerance Weight
Timber blinds Warm, natural grain Moderate Medium to heavy
Faux wood blinds Timber look, less depth High Heavier than timber
Aluminium Venetian Crisp, light, modern High Light
Timber shutters Architectural, permanent Moderate Fixed panels

If you are weighing timber blinds against other slatted systems, our sibling guide to louvre blinds compares vertical and horizontal options.

Where timber blinds work best

Timber blinds suit studies, libraries and offices, where their warmth softens a room full of screens and shelves. They work well in living and dining rooms with timber floors or joinery, and in bedrooms layered with a curtain for darkness. In conservation shophouses and older landed homes, they echo traditional timber shutters at a fraction of the depth. In a minimal interior, a natural slat in a pale finish, matched closely to the wall, keeps the window quiet.

Cost drivers

Timber blinds generally cost more than aluminium or PVC Venetians of the same size. The price depends on:

  • Window size and the number of blinds.
  • Slat width and timber quality.
  • Finish: natural, stained, painted or specialist colours.
  • Tapes versus cord ladders.
  • Operation: corded, cordless or motorised.
  • Installation conditions, such as high windows or ceiling recesses.

Because specifications vary so much, compare quotations on identical slat widths, finishes and mechanisms.

Care and maintenance

  • Dust weekly with a soft cloth or duster, tilting slats one way and then the other.
  • Do not soak timber slats. Wipe with a barely damp cloth if needed and dry immediately.
  • Use a wood-safe cleaner sparingly, and test it on a hidden slat first.
  • Check cords and tapes occasionally for fraying, and fit cord tensioners where children are present.

Related reading: Thick white wooden blinds.

Frequently asked questions

Are timber blinds suitable for Singapore?

Yes, in air-conditioned or well-ventilated dry rooms. Avoid bathrooms, wet kitchens and outdoor areas, where faux wood or aluminium lasts better.

What slat width is best for timber venetian blinds?

About 50 millimetres suits most windows. Choose wider slats for large windows and narrower ones for small or shallow openings.

Do timber blinds block light completely?

Not completely. Light passes through cord holes and between slats. Tapes reduce leakage, and a blackout curtain or roller behind can make a room dark.

Can timber blinds be motorised?

Yes, with a suitable head rail. Plan the power supply at the window head during renovation.

If you are considering timber blinds as part of a renovation, we would be glad to arrange a consultation and bring finish samples to view in your own light.

Further reading