How to Clean Curtains: A Complete Step-by-Step Guide

Curtains do more than just frame your windows - they trap dust, allergens, and odours over time. Knowing how to clean curtains properly not only keeps your home fresh but also extends the life of your fabric. In this guide, we’ll walk you through the best methods for cleaning different types of curtains, whether you're dealing with delicate sheers or heavy drapes.

Why Cleaning Curtains Is Important

Neglecting curtain cleaning can lead to:

  • Dust and allergens building up

  • Lingering odours

  • Discolouration and fabric wear

  • Reduced indoor air quality

Regular maintenance improves your home’s hygiene and keeps your window treatments looking their best.

How to Clean Curtains Based on Fabric Type

1. Check the Label First

Before you do anything, always read the manufacturer’s care label. It will tell you whether the curtains are:

  • Machine washable

  • Dry clean only

  • Hand wash recommended

2. Machine Washing Curtains

Many cotton, polyester, or linen curtains can be safely machine washed.

Steps:

  • Remove all hooks and rings

  • Shake off loose dust outdoors

  • Use a gentle cycle with cold or lukewarm water

  • Use mild detergent

  • Hang to air dry or tumble dry on low if the label allows

Pro tip: Use a mesh laundry bag for extra protection during the wash.

3. Hand Washing Curtains

For delicate or loosely woven fabrics like lace or voile:

Instructions:

  • Fill a tub or sink with lukewarm water and a mild detergent

  • Gently agitate the curtains in the water

  • Rinse thoroughly and press out excess water (don’t wring!)

  • Hang to dry

4. Steam Cleaning Curtains

This is a great option for heavy drapes or when you want to clean them without taking them down.

How to do it:

  • Use a handheld garment steamer or upholstery steam cleaner

  • Start at the top and slowly move down

  • Keep the steamer a few inches from the fabric

  • Allow to air dry with windows open for ventilation

5. Dry Cleaning Curtains

If the label says dry clean only, don’t risk it. Professional dry cleaning is safest for:

  • Silk

  • Velvet

  • Wool blends

  • Interlined curtains

Curtain Maintenance Tips

To keep your curtains cleaner for longer:

  • Vacuum weekly using a brush attachment

  • Shake them outdoors monthly to remove dust

  • Avoid moisture buildup - keep windows open when cooking or showering

  • Use a fabric freshener spray between washes

When to Call a Professional Cleaning Service

Some situations call for expert help, such as:

  • Stubborn stains or mould

  • Heavily lined or layered curtains

  • Large, floor-length drapes

  • Dry clean-only fabrics

A professional cleaning company ensures deep cleaning without risking damage.

FAQs

How often should I clean my curtains?

Ideally, curtains should be deep cleaned every 6 to 12 months, with regular vacuuming or dusting in between.

Can I steam clean all types of curtains?

Not all fabrics are suitable for steam cleaning. Avoid steam on silk, velvet, or fabrics labeled “dry clean only.”

Will washing curtains shrink them?

Natural fibers like cotton or linen can shrink if washed in hot water or tumble dried on high. Always use cold or lukewarm water and air dry when in doubt.

Is it better to wash or dry clean curtains?

It depends on the fabric. Washable materials like polyester or cotton can go in the machine, while delicate fabrics should be professionally dry cleaned.

Knowing how to clean curtains the right way keeps the work environment healthier and extends the life of your window treatments. Whether you choose to hand wash, machine wash, steam, or call in the pros, a regular curtain care routine makes all the difference.

Need help cleaning your curtains?

Yes, Sinco includes curtain cleaning as part of our commercial cleaning, including school cleaning, strata cleaning, retail cleaning, gym cleaning, office cleaning, warehouse cleaning packages.

📞 Contact us today to book a service or get a free quote.

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Cleaning Fabric Couches: A Professional Guide to Fresh Upholstery