How to Clean Blinds: Venetian, Vertical, Roller and Wooden

Knowing how to clean blinds properly saves you from the two usual outcomes: slats that look grey again within a fortnight, or a bent, water-stained set that has to be replaced. This guide covers Venetian, vertical, roller and wooden blinds, a simple dusting routine that keeps them presentable, how to deep clean each type, and the safety points that matter most in a family home.

Blinds collect more than you might expect in Singapore. Windows are often open for airflow, so fine dust, traffic grime and cooking residue from the kitchen settle on every slat. Add our year-round humidity and that dust turns slightly sticky, which is why a dry wipe sometimes just smears it around.

The good news is that most of the work is little and often. A ten-minute dust each week does more than an occasional big clean, and it makes the deep clean, when you do need it, far easier.

Before you start, check what your blinds are made of. Aluminium, PVC, fabric, real wood and faux wood all behave differently around water, and the wrong method is the most common way blinds get damaged.

Know your blind type before you clean

Most homes here have one or more of these four types. Each needs a slightly different approach.

• Venetian blinds have horizontal slats, usually aluminium or PVC, that tilt with a wand or cord. They are tough and tolerate water well, but thin aluminium slats bend easily if you press too hard.
• Vertical blinds have long vanes that hang from a headrail. Vanes are typically PVC or fabric. PVC can be wiped; fabric vanes need gentler spot cleaning.
• Roller blinds are a single sheet of fabric or coated material that rolls up. Many are blackout or sunscreen fabrics with a coating that should not be soaked or scrubbed.
• Wooden and faux wood blinds look similar but differ sharply. Real wood can warp, crack or lose its finish with water. Faux wood, usually PVC or composite, handles a damp cloth far better.

If you are unsure, check the label on the headrail or any care sheet from the installer. When in doubt, treat the blind as the more delicate material.

The weekly dusting routine

Regular dusting is the single most useful habit. It stops dust from mixing with humidity and grease into a film that needs real effort to remove.

1. Close the slats flat so they form a continuous surface. For vertical blinds, turn the vanes so they lie closed.
2. Work from top to bottom with a microfibre cloth, a soft duster or a vacuum fitted with the soft brush attachment on low suction.
3. Dust one side, then tilt the slats the other way and dust the reverse.
4. Wipe the headrail and the top of the window frame, where dust gathers unseen.
5. Finish by vacuuming or wiping the windowsill and the floor below, since some dust will fall.

A useful trick for Venetian blinds is a clean cotton glove or an old sock worn over your hand. Pinch each slat between your fingers and slide along it, cleaning top and bottom in one pass. It is quicker than a cloth and gentler on thin slats. If you have also been meaning to tackle overhead dust, the same top-down habit works for fans, as we explain in our guide to cleaning ceiling fan blades.

How to clean blinds by type: the deeper clean

Every few months, or when dusting no longer brings them back, a proper clean is due. So how do you clean blinds without damaging them? Match the method to the material, use as little water as possible, and always test a hidden spot first.

Venetian blinds (aluminium and PVC)

1. Dust first. Water on dusty slats creates muddy streaks.
2. Mix a few drops of mild dishwashing liquid into a basin of warm water.
3. Close the slats, dip a microfibre cloth, wring it until just damp, and wipe each slat from the centre outwards, supporting the slat from behind with your other hand.
4. Turn the slats and repeat on the other side.
5. Go over everything again with a cloth dampened in plain water, then dry with a clean towel so water marks do not form.

For very greasy kitchen blinds, you can take them down and soak them in a bathtub of warm, soapy water for a short while, then rinse and hang them to dry fully before rehanging. Keep the headrail mechanism out of the water where you can, since soaking can cause rust in the working parts.

Vertical blinds

PVC vanes can be wiped individually with the same mild soapy water while hanging, holding the bottom of each vane so it does not swing. For heavier dirt, unclip the vanes from their carriers, lay them flat, clean them, and dry them completely before clipping them back on. Fabric vanes should only be spot cleaned: blot marks with a cloth barely dampened with mild soapy water, then blot with a dry cloth. Do not rub hard, which can fray the weave or leave a lighter patch.

Roller blinds

1. Roll the blind fully down and vacuum both sides with the brush attachment.
2. For marks, dab with a cloth dampened with mild soapy water. Work gently and do not saturate the fabric.
3. Blot with a dry cloth and leave the blind fully down until it is completely dry.

Never roll a roller blind up while it is damp. In our climate, damp fabric rolled tight is an invitation for mildew spots and musty smells. Coated blackout and sunscreen fabrics can crack or peel if scrubbed, so if a stain does not lift with gentle dabbing, it is better to leave it than to fight it.

Wooden and faux wood blinds

Real wood should be cleaned mostly dry. Dust it, then if needed wipe with a cloth that is only just damp and dry each slat immediately. Avoid soaking, steam and harsh cleaners, which can lift the finish or warp the slats. Faux wood tolerates a damp wipe with mild soapy water much better, but still dry it afterwards, and do not soak it in the tub unless the manufacturer says you can.

Dealing with mildew, grease and yellowing

Humidity means some blinds, especially in bathrooms and near kitchens, develop spots of mildew or a yellowish film.

• Grease: Warm water with a little more dishwashing liquid usually cuts it. Work in small sections and rinse well.
• Mildew on PVC or aluminium: Wipe with mild soapy water first. For stubborn spots, a cloth dampened with diluted white vinegar can help. Rinse with plain water and dry thoroughly.
• Mildew on fabric: Spot treatment is risky because many fabrics discolour. Test any solution on a hidden part first, and consider professional advice for expensive blinds.
• Yellowing: Sun-yellowed PVC is usually a material change rather than dirt, and cleaning will not reverse it.

Safety when cleaning blinds

Blinds sit near windows and at height, and most cleaning involves water and chemicals, so take a few precautions.

• Never mix cleaners. Bleach mixed with ammonia or with acids, including vinegar, releases harmful gases. Use one product at a time and rinse between them. The National Environment Agency’s advice on using household disinfectants is clear: do not mix different products, and use them in a well-ventilated area.
• Ventilate the room. Open windows or run a fan while you clean, and keep cleaning products away from children.
• Test first. Try any solution on a hidden slat or the back of the fabric before treating the whole blind.
• Work safely at height. Use a stable step stool rather than a chair. Never lean out of a window or stand on a windowsill or ledge to reach blinds. Blinds are cleaned from inside the home. Under MOM rules, employers must not let a helper clean the exterior of any window unless the window has a grille that is locked throughout the cleaning and an adult supervises, as MOM sets out in a 2025 written answer on helper safety.
• Watch the cords. Looped cords on older blinds can be a strangulation hazard for young children. Keep cords tied up high and out of reach, and keep cots and furniture away from the window.
• Mind your hands. Aluminium slat edges can be sharp. Gloves help when you clean many slats.

How often should blinds be cleaned?

A practical schedule for most Singapore homes looks like this:

• Weekly: dust all blinds, slats closed, top to bottom.
• Monthly: quick damp wipe of kitchen and bathroom blinds, where grease and moisture build up fastest.
• Every three to six months: deep clean living room and bedroom blinds by type.
• Before festive cleaning or a move: a full clean of every blind in the home.

If blinds share a room with an aircon unit, it is worth keeping the filter clean too, since a dusty filter recirculates dust onto everything nearby. Our guide to cleaning an aircon filter covers the safe, owner-level steps.

If your household has a live-in helper, blind dusting fits naturally into the weekly routine. Show her the method for each type of blind in your home once, particularly anything delicate like real wood, and agree how often the deeper clean should happen. For homes without daily help, a part-time helper can take on the regular dusting during a scheduled visit.

Related guides: How to Clean a Shower Head: Limescale, Mould and Blocked Nozzles and How to Clean a Shower Head: Limescale, Mould and Blocked Nozzles.

Frequently Asked Questions

Can I put blinds in the washing machine?

Generally no. Aluminium, PVC, wooden and faux wood blinds can bend, crack or warp, and the mechanisms are not designed for it. Some fabric vertical vanes or roller fabrics may be labelled machine washable, but only follow that if the manufacturer’s care instructions say so, and otherwise stick to spot cleaning and vacuuming.

What is the quickest way to dust Venetian blinds?

Close the slats, then wear a clean cotton glove or an old sock on your hand and slide along each slat while pinching it between your fingers. This cleans the top and bottom in one pass. Turn the slats and repeat, then vacuum the sill and floor beneath.

How do I stop blinds getting dusty so quickly?

Dust them weekly so the dust does not build up and turn sticky in the humidity. Keeping floors and aircon filters clean, closing windows during nearby construction work, and wiping the slats with a barely damp cloth after dusting all help reduce how quickly dust returns.

Is it safe to use vinegar on blinds?

Diluted white vinegar is usually fine on aluminium and PVC slats for mildew spots, as long as you rinse and dry afterwards. Avoid it on real wood and on coated fabrics without testing first, and never use it together with bleach, because mixing acids with bleach releases harmful gas.

How long should blinds dry before I roll them up?

Leave them down until they are completely dry to the touch on both sides, which may take several hours in humid weather. Running a fan or opening windows speeds things up. Rolling or stacking blinds while still damp is a common cause of mildew spots and musty smells.

Conclusion

Clean blinds come down to three habits: dust weekly with the slats closed, match the deep clean to the material, and dry everything fully before it is rolled or stacked. Venetian and faux wood blinds tolerate a careful damp wipe, fabric and coated rollers need gentle spot cleaning, and real wood should stay as dry as possible. Add the safety basics, never mixing cleaners, ventilating, testing first and working safely at height, and your blinds will last longer and look better between cleans.

When a whole home’s worth of blinds is due for attention, it is often easier to fold them into a larger clean. If you would rather leave it to us, see our home cleaning services or deep cleaning, or get in touch with the Femme5 team for a quote.

The Femme5 Team
Home cleaning team, Femme5 Agency
Femme5 provides part-time home cleaning, deep cleaning and post-renovation cleaning for HDB flats, condominiums and landed homes across Singapore.