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Maintenance9 min read

How to Clean and Maintain Venetian Blinds Like a Professional

Keep your venetian blinds looking pristine with our comprehensive cleaning and maintenance guide, covering all materials from timber to aluminium.

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Sarah Mitchell

Home Improvement Specialist10 January 2026

Venetian blinds are a practical and beautiful addition to any Australian home, but like all window treatments, they require regular maintenance to look their best and function properly. Dust, grime, and the occasional splash or stain can accumulate over time, making your blinds look tired and potentially affecting their operation.

The good news is that with the right techniques and a consistent cleaning schedule, you can keep your venetian blinds looking showroom-fresh for years. This comprehensive guide covers everything from quick weekly dusting to deep cleaning methods for every material type.

Why Regular Cleaning Matters

Beyond aesthetics, there are several important reasons to keep your venetian blinds clean:

Allergy management: Blinds can harbour dust, pollen, and other allergens that circulate through your home when disturbed. Regular cleaning helps maintain healthy indoor air quality.

Longevity: Built-up grime can cause slats to stick together, cords to fray, and mechanisms to malfunction. Proper maintenance extends the life of your investment.

Energy efficiency: Clean blinds reflect light and heat more effectively than dirty ones, helping maintain your home's temperature.

Home value: Well-maintained window treatments contribute to your home's overall appearance and value.

💡 Quick Fact

Studies show that venetian blinds can accumulate up to twice as much dust as flat surfaces in the same room due to their horizontal slats creating multiple dust-catching surfaces.

Weekly Maintenance: The Quick Dust

A quick weekly dusting prevents dust from building up and makes deep cleaning much easier. This should take just a few minutes per window.

Method 1: The Microfibre Glove

Wear a microfibre glove or wrap a microfibre cloth around your hand. Close the blinds with the slats angled downward, then run your gloved hand across the slats from one side to the other. Reverse the slat angle and repeat on the other side.

Method 2: The Blind Duster

Specialised blind dusters have multiple prongs that clean several slats simultaneously. They're particularly effective for larger blinds and can significantly speed up the process.

Method 3: Vacuum with Brush Attachment

For a thorough weekly clean, use your vacuum's soft brush attachment on a low suction setting. Work from top to bottom, supporting each slat as you vacuum to prevent bending.

Monthly Deep Clean: Material-Specific Methods

Once a month, your blinds benefit from a more thorough cleaning. The method you use depends on the material of your blinds.

Cleaning Aluminium Venetian Blinds

Aluminium blinds are the easiest to clean and can handle moisture without damage.

Step 1: Close the blinds and dust thoroughly to remove loose particles.

Step 2: Mix a solution of warm water with a few drops of mild dish soap.

Step 3: Dampen a microfibre cloth with the solution and wipe each slat individually, working from top to bottom.

Step 4: Use a clean, damp cloth to remove any soap residue.

Step 5: Dry with a soft cloth to prevent water spots.

For heavily soiled aluminium blinds, you can remove them from the window and soak them in the bathtub. Fill the tub with warm, soapy water, lay the blinds flat, and let them soak for 15-20 minutes. Gently scrub with a soft brush, rinse thoroughly, and allow to dry completely before reinstalling.

Cleaning Timber Venetian Blinds

Natural timber requires more care as excessive moisture can cause warping and damage.

Step 1: Dust thoroughly using a microfibre cloth or soft duster.

Step 2: For light cleaning, use a slightly damp cloth and wipe each slat quickly, drying immediately with a dry cloth.

Step 3: For stubborn marks, use a wood-safe cleaner applied sparingly to a cloth, never directly to the blinds.

Step 4: Periodically apply furniture polish or wood conditioner to maintain the timber's lustre and protect against drying.

⚠️ Never Do This

Never submerge timber blinds in water or use steam cleaners on them. The moisture will cause warping, cracking, and permanent damage to the wood.

Cleaning PVC and Faux Wood Blinds

These durable materials can handle more moisture, making them easy to clean.

Step 1: Dust thoroughly with your preferred method.

Step 2: Mix warm water with mild dish soap.

Step 3: Wipe each slat with a dampened cloth, using a bit more pressure on stubborn spots.

Step 4: Rinse with a clean, damp cloth and dry thoroughly.

PVC blinds can also be removed and hosed down outdoors if heavily soiled, making them ideal for kitchens where grease can accumulate.

Tackling Common Stains and Issues

Grease Stains (Common in Kitchens)

Mix one part white vinegar with one part warm water. Apply to the affected area with a soft cloth and gently scrub. For stubborn grease, add a drop of dish soap to the solution. Rinse and dry thoroughly.

Mould and Mildew

Mix one part bleach with four parts water for white or light-coloured blinds. For coloured blinds, use white vinegar instead to prevent discolouration. Apply with a cloth, let sit for a few minutes, then wipe clean and dry thoroughly. Ensure the room is well-ventilated during this process.

Sticky Residue

Rubbing alcohol on a soft cloth effectively removes adhesive residue, sticker marks, or sticky fingerprints. Test on an inconspicuous area first, especially on timber blinds.

Yellowing (Common on White PVC)

Create a paste of baking soda and water. Apply to yellowed areas, let sit for 15 minutes, then gently scrub with a soft brush. Rinse and dry. For severe yellowing, a solution of hydrogen peroxide may help restore whiteness.

🎯 Cleaning Quick Reference
  • Aluminium: Water-friendly, can be soaked if needed
  • Timber: Minimal moisture, always dry immediately
  • PVC/Faux Wood: Water-resistant, can be hosed outdoors
  • All types: Dust weekly, deep clean monthly

Maintaining Operating Mechanisms

Beyond cleaning the slats, maintaining the mechanical components ensures smooth operation.

Cords and Tapes

Inspect cords and tapes regularly for fraying or wear. Wipe them with a damp cloth to remove dust buildup. If cords become stiff, a light application of silicone spray can restore smooth operation.

Headrail and Brackets

Dust the headrail monthly and check that brackets remain securely fastened. Loose brackets can cause the blind to hang unevenly and strain the mechanism.

Tilter Mechanism

If the tilter becomes difficult to turn, it may need lubrication. A small amount of silicone spray applied to the mechanism usually resolves this issue. Avoid oil-based lubricants that can attract dust.

Creating a Maintenance Schedule

Establish a routine that works for your household:

Weekly: Quick dust of all blinds (5 minutes per window) Monthly: Deep clean of high-traffic areas like kitchens and bathrooms Quarterly: Deep clean of all blinds plus mechanism check Annually: Professional cleaning consideration for large or difficult-to-reach installations

By following these guidelines, your venetian blinds will continue to enhance your home's appearance and function flawlessly for many years to come.

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Written by Sarah Mitchell

Sarah has over 12 years of experience in interior design and home improvement. She specialises in window treatments and has helped hundreds of Australian homeowners find the perfect blinds for their spaces.

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