You’ve just spilled coffee on the couch. You lift a cushion, find a tiny label, and discover… a letter. Somehow, you’re supposed to turn that into a cleaning plan while the stain settles in.
Here’s the quick translation: W means water-based upholstery cleaner; S means water-free solvent cleaner; WS means either type may be suitable; and X means vacuuming or gentle brushing only. SW and W/S commonly mean the same thing as WS.
Those letters help you choose a cleaning approach, but they aren’t the whole instruction manual. Before you grab a spray bottle, check the wording around the code too. This guide explains what each letter allows, what it doesn’t, and when getting advice could save you a much bigger problem.
Couch cleaning codes at a glance
Think of the code as a starting point for choosing a product. It doesn’t tell you that every stain will come out, or that a particular cleaning machine is suitable. The furniture manufacturer’s full care instructions still come first.
| Tag code | What it means | What to avoid |
|---|---|---|
| W | Use a suitable water-based upholstery cleaner. | Solvent cleaners and soaking the fabric. |
| S | Use a suitable water-free upholstery cleaning solvent. | Water-based sprays and steam cleaning. |
| WS, SW or W/S | Either approved water-based or solvent-based products may be suitable. | Assuming every cleaner or cleaning method is safe. |
| X | Vacuum or brush gently, following the care instructions. | Water, solvents, and liquid or foam cleaners. |
These meanings align with Ashley’s upholstery-care guidance. They describe cleaning compatibility, rather than how tough or stain-resistant a fabric is.
Where do you find the cleaning tag?
Start beneath the seat cushions, then check labels attached underneath the furniture. Look for wording such as “cleaning instructions” or “fabric care”. A label describing the cushion filling may not tell you how to clean the outer fabric.
Take a photo once you’ve found it. Save the full label, including any fabric or model number, so you won’t have to go hunting during the next spill. If you’re enquiring about professional couch cleaning in Brisbane, that photo gives the cleaner useful information before the appointment.
What does each letter actually allow?
W means water-based upholstery cleaning products
W tag allows appropriate water-based upholstery cleaners, often a shampoo or foam used for spot cleaning. “Water-based” describes the product category. It doesn’t mean you can soak the cushion or treat the fabric like a washable T-shirt.
Follow the approved cleaner’s directions and use the amount specified. More liquid isn’t a shortcut to a better result, and the cushion underneath can become wet too. W also doesn’t give you permission to use bleach or whatever cleaning spray happens to be under the sink.
S means water-free solvent cleaning products
An S tag calls for a suitable water-free upholstery cleaning solvent. Despite the name, “dry cleaning” can involve a liquid; the key distinction is that it isn’t water-based. Water can cause marks or other changes on unsuitable fabrics, so a damp cloth isn’t a safe default here.
Don’t treat methylated spirits, nail-polish remover, or paint thinner as substitutes for an approved upholstery product. Follow the product’s ventilation and ignition-source precautions. If you can’t confirm what to use, pause and ask the manufacturer or a professional cleaner familiar with solvent-only fabrics.
WS means water-based or solvent-based products
WS gives you a choice between suitable product categories, subject to the full care instructions. You might see SW, W/S or W-S instead. The order of the letters doesn’t create a new level of cleaning freedom.
The stain still matters. A greasy mark and a spilled drink may need different treatment, even on the same cushion. “Either” also doesn’t mean “mix them together”, and it doesn’t remove the need for a hidden-area test.
X means vacuuming or gentle brushing only
An X tag rules out water-based and solvent-based cleaning products. Routine care means removing loose soil with a vacuum or gentle brushing, as the manufacturer directs. A damp wipe still introduces liquid, even when it feels like hardly any.
For a spill, gently absorb the excess with a clean, dry white cloth without scrubbing or adding cleaner. If a mark remains, ask for an assessment. Professional help doesn’t automatically make wet cleaning or solvent dry cleaning suitable for X-coded upholstery.
What should you do before treating a stain?
For a fresh liquid spill, blot gently with a clean, dry white cloth. Work patiently instead of scrubbing at the mark. Australian furniture maker KING recommends fabric-specific cleaning products and warns against soaking or vigorous rubbing.
For fabrics that permit a cleaning product, follow this sequence:
- Check both sets of directions. The furniture instructions and the cleaner’s label need to agree on suitability.
- Test an inconspicuous area of the same upholstery. Use the proposed product and method; don’t test the different fabric underneath the base.
- Let the test area dry completely. Look for colour transfer, a ring, or a change in texture before continuing.
- Stop if anything changes. Don’t layer another product over an unexpected result and hope it cancels it out.
A patch test checks a proposed treatment. It cannot assign an official cleaning code to an unidentified fabric. If you’ve already tried something, keep its name or bottle handy so you can tell the cleaner exactly what happened.
Can you steam clean it or wash the covers?
W and WS don’t automatically mean steam-safe or machine-washable. They identify cleaning-product categories, while heat, moisture, and the furniture’s construction introduce other considerations. For example, La-Z-Boy’s W-code instructions specifically advise against hot-water extraction and steam cleaning.
The same caution applies to a zipped cushion cover. A zip lets the cover come off; it doesn’t tell you what happens in a washing machine. Look for a separate washing instruction instead of treating the zip as permission.
Only wash a removable cover when its specific care instructions expressly allow it. Check the permitted temperature and drying method too. If the instructions are missing, keep the cover on while you get advice.
Common questions about upholstery cleaning codes
What if my couch has no cleaning tag?
Check the manufacturer’s website or contact the retailer with your model and fabric details. Until you have clear instructions, avoid adding cleaning products. A quick water test can’t reliably tell you which code the fabric should have.
Does WS mean I can use any stain remover?
No. The product must suit the upholstery and comply with the manufacturer’s instructions. A carpet cleaner, bathroom spray or pet-stain product isn’t automatically suitable because the tag says WS.
Can I use vinegar on an S-coded fabric?
No, not as a substitute for an approved solvent cleaner. Household vinegar contains water, and diluting it adds more. Follow the solvent-only directions instead of relying on a homemade recipe.
Can I work out the code from the fabric type?
Don’t guess from “polyester”, “linen” or “microfibre” alone. Fibre content doesn’t give you the complete care instructions for the finished upholstery. Look up the exact fabric and furniture model.
What if the furniture has been reupholstered?
Ask the upholsterer for the replacement fabric’s care instructions. An old label attached to the frame may describe the previous covering. Keep the new instructions with your receipt or saved photos.
Need help choosing the right cleaning approach?
Your couch tag is worth reading before the next spill, not halfway through a cleaning experiment. Keep a photo of it, follow the full care instructions and treat an unfamiliar stain as a reason to check before adding a product. That small pause can prevent a lot of guesswork.
Zap and Shine offers upholstery cleaning in Brisbane and on the Gold Coast. When you enquire, include a photo of the label and stain, and mention any products you’ve already used. Ask the team to confirm whether their service suits your fabric before booking.
Ready to get advice? Contact Zap and Shine or call 0424 839 860 to discuss your furniture and request a quote.
