• Home
  • Furniture Upholstery
  • Outdoor Furniture
  • Educational Resources
  • Mattress Cleaning
  • Simply Clean Blog
  • Service Areas
  • Contact Us
  • More
    • Home
    • Furniture Upholstery
    • Outdoor Furniture
    • Educational Resources
    • Mattress Cleaning
    • Simply Clean Blog
    • Service Areas
    • Contact Us
  • Home
  • Furniture Upholstery
  • Outdoor Furniture
  • Educational Resources
  • Mattress Cleaning
  • Simply Clean Blog
  • Service Areas
  • Contact Us

Simply Clean Upholstery

Simply Clean UpholsterySimply Clean UpholsterySimply Clean Upholstery
A high-end gray couch sofa in front of a large glass wall after wine stain solvent cleaning.

Understanding Cleaning Codes & Methods

What is a Cleaning Code?

Preserving the integrity of fine upholstery begins with a single, often overlooked detail: the care code. Whether marked W, S, WS, or X, these cryptic designations are the definitive roadmap for fabric maintenance. Ignoring these signals can transform a routine refreshment into an irreversible error. This guide deciphers these professional standards, offering the clarity you need to spot clean with confidence, avoid common pitfalls, and recognize exactly when a piece requires the touch of a specialist.

Find Your Code

Look for a sewn-in tag beneath seat cushions, along the decking, or under the frame. Some manufacturers will have a fabric care guide online or printed cleaning instructions on a removable card.

Give Us A Call!

Cleaning Codes and What They Mean

Cleaning Code "W"

  • Water-based liquids are safe; can be spot cleaned with a mild detergent or upholstery shampoo. Possible damage from solvent-based products.


Imagine you’re settling into your sofa with a fresh latte when a sudden nudge from the dog sends a splash of coffee onto the cushion. If your fabric is labeled with a "W" cleaning code, take a breath—this is actually the most forgiving code to deal with because it means the material is water-based compatible.


  • Blot, Don't Rub: Grab a clean, white lint-free cloth or paper towel immediately. Press down firmly to soak up the liquid. Never scrub, as this pushes the coffee deeper into the fibers and can distort the fabric's texture.
  • Mix a Gentle Solution: Since "W" stands for water-based cleaners, mix a few drops of mild dish soap into a cup of distilled water.
  • Work from the Outside In: Dampen a cloth with the soapy water and gently dab the stain, starting at the edges and moving toward the center to prevent a "ring" from forming.
  • Rinse and Dry: Use a second cloth dampened only with plain water to "rinse" the soap out, then pat dry. If you’re worried about water spots, you can use a hair dryer on a cool, low setting to speed up the process.

Cleaning Code "S"

  • Requires solvent-based products; must be dry cleaned only. Water-based products may cause permanent damage.


Spilling red wine on an "S" cleaning code fabric is a high-stakes scenario because the tannins and pigments in the wine want to bond with the fibers, yet the fabric's "Solvent Only" rating means you can’t use common water-based wine removers. In this situation, speed and caution are your only friends. Immediately blot the spill with a dry, white absorbent cloth, pressing firmly to lift as much liquid as possible without rubbing, which would spread the pigment. Once you’ve removed the surface liquid, apply a professional-grade dry-cleaning solvent (such as Guardsman or Blue Coral) to a clean cloth and gently dab from the outside of the stain toward the center.


  • The Salt Trick (With a Warning): On a fresh spill, you can sprinkle a thick layer of salt to pull moisture out of the fibers. However, since you can't use water to rinse the salt residue later, you must vacuum it up thoroughly once it has turned pink and dried.
  • Avoid the "Vinegar & Soap" Advice: Most online tips for wine involve vinegar, dish soap, or club soda. On an "S" fabric, these will likely leave a permanent "tide mark" ring that is often more visible than the wine itself.
  • Check for Alcohol Solubility: Some "S" fabrics (like certain synthetics) can handle isopropyl (rubbing) alcohol, which is a solvent that can help break down red wine pigments. Always spot-test in a hidden area first to ensure it doesn't melt the fibers or bleed the dye.
  • Ventilation is Key: Dry-cleaning solvents are chemically strong and flammable. Keep the windows open and the area clear of any heat sources while the fabric air-dries.


Peer-to-Peer Advice: Red wine is one of the toughest tests for "S" fabrics. If a specialized solvent doesn't lift the color after two tries, stop and call a professional cleaner. Over-treating with solvents can eventually damage the fabric's backing or finish.

Cleaning Code "WS"

  • Allows both water-based and solvent-based products with limited risk of damage.

 

Finding pet urine on an "SW" cleaning code fabric is a bit of a "good news/bad news" situation: the "SW" means the fabric is a hybrid that can handle both Solvent and Water-based cleaners, giving you the best chance at a full recovery. However, because urine contains salts and proteins that can cause odors and permanent yellowing, you have to act fast before it "sets" into the upholstery padding. Start by layering several dry, white towels over the spot and applying heavy pressure (even standing on them) to pull as much liquid as possible out of the deep foam.


  • Neutralize the Odor: Since "W" is an option, reach for an enzymatic cleaner. These are water-based and specifically designed to eat away the uric acid crystals that cause that lingering smell.
  • The "Outside-In" Dab: Lightly mist the stained area with the cleaner—don't soak it—and blot from the edges toward the center. This prevents the moisture from spreading and creating a "water ring," which can still happen on "SW" fabrics if you're too heavy-handed.
  • Solvent for the Finish: If a faint stain remains after the water-based treatment dries, you can use a dry-cleaning solvent to lift any residual oils or "tide marks" left behind.
  • Fast-Track Drying: Use a fan or a hair dryer on a cool setting to dry the area quickly. The faster it dries, the less chance there is for "wicking," where the stain travels back up from the interior foam to the surface.


A Quick Tip: Avoid using any products with ammonia, as the scent is similar to urine and might actually encourage your pet to "re-mark" the same spot.

Cleaning Code "X"

  • Vacuum and brush cleaning only; no liquids or solvents should be used.

 

Finding a layer of dinge or "graying" on an "X" cleaning code fabric—common on some designer velvets or delicate specialty weaves—is a situation that requires a strict "hands-off" approach when it comes to liquids. The "X" code is the most restrictive rating in the furniture world, indicating that the fabric is prone to shrinking, staining, or losing its texture if it touches either water or solvent-based cleaners. When you notice that high-traffic areas like armrests or headrests are starting to look dull from body oils and dust, your primary tools are a vacuum with a soft brush attachment and a very light touch.


  • Precision Vacuuming: Use a high-suction vacuum but ensure you are using a clean, soft-bristled upholstery tool. Gently sweep the fabric in one direction to lift away the dry particulate matter (skin cells, dust, and pet dander) that causes that "dingy" look.
  • Soft Brushing: For fabrics like mohair or certain suedes, use a soft clothes brush to gently "groom" the pile. This helps loosen dirt trapped deep between the fibers so the vacuum can actually reach it.
  • Low-Moisture Professional Help: Because "X" fabrics are so temperamental, "home remedies" are essentially non-existent. If a thorough vacuuming doesn't restore the brightness, the dinge has likely become embedded.
  • The "Golden Rule": Never attempt to "spot clean" a small area of dinge with a damp cloth; you will almost certainly replace a little bit of dirt with a permanent, irreversible water spot.


A Friendly Warning: If the "X" fabric is on a piece of furniture used daily, the dinge is often a mix of dust and skin oils. Since you can't use degreasers, your best bet is to call a professional who specializes in "dry-method" extraction or ultrasonic cleaning.

Understanding The Different Cleaning Methods

Hot Water Extraction

Hot water extraction is the most effective cleaning method for upholstery fabric. The steaming hot water suspends, flushes, and extracts the most soil. We are able to clean most natural and delicate woven fabrics. 

Dry Foam Cleaning

The safest method other than dry solvent cleaning. A dense water-based foam used for fabrics that require minimal moisture absorption. Application of dense dry foam followed by high-powered extraction.

Dry Solvent Cleaning

The term dry solvent refers to non-water, hydrocarbon-based compounds. Reserved for delicate or non-colorfast fabrics that can be damaged when using water-based cleaning methods. Dry Cleaning is less effective on heavily soiled fabric and fabric with water-based stains. May damage adhesives or latex back coatings.

Removing Water-Based Stains on Solvent-Only Fabrics

The Science of "S" Code Cleaning:

A professional’s ability to remove a water-based stain from a "S" Cleaning Code fabric is a feat of "controlled chemistry" that most homeowners simply cannot replicate. On an "S" fabric, water is the enemy—it causes the fibers to swell, shrink, or leave behind a permanent "tide mark" as it dries. Here is why a professional can pull off this high-wire act:


  • A professional doesn't just "wash" the stain with water. They use bridge solvents—specialized chemicals like isopropyl alcohol or glycol ethers—that can dissolve water-based pigments while behaving like a solvent. These chemicals "bridge" the gap, allowing them to break down a water-based stain without actually "wetting" the fabric in a way that causes shrinkage or rings.
  • The biggest danger of water on an "S" fabric is the slow drying time. As water evaporates, it pulls minerals and dirt to the surface, creating a ring.
  • Professionals use high-airflow extraction tools that create a localized vacuum seal. This allows them to apply a tiny amount of moisture and suck it out almost instantly—before the fibers have a chance to swell or the water has a chance to migrate.
  • Water-based stains are often acidic or alkaline. On a delicate "S" fabric, this can cause "browning." Professionals use acidic stabilizing rinses that immediately neutralize the pH of the stain. This prevents the "tannin bleed" (the yellow/brown halo) that usually appears when a homeowner tries to dab a stain with soapy water.
  • Pro-grade dry-cleaning fluids aren't just one-size-fits-all. They contain non-aqueous surfactants that can "grab" water-based particles and suspend them in a solvent base. This allows the dirt to be lifted away without the fiber ever undergoing the "stress" of a traditional water-based bath.


The Verdict: While it seems counter-intuitive to use a liquid on an "S" fabric, a pro is essentially using "surgical moisture"—applied with precision, neutralized with chemistry, and removed with industrial force before the fabric even realizes it's wet.

Brown hard water stain on a linen fabric chair seat before upholstery cleaning.

Hard water stains are the reason so many manufacturers recommend dry cleaning for natural fibers.

Educational Resources

Gray Sectional with performance fabric after hot water extraction cleaning in a living room.

Fabric Care Guide

Soil accumulation is inevitable, but permanent damage doesn't have to be. Most upholstery soils are insoluble, meaning they settle deep into the pile where they can cause 'fiber abrasion' if not properly removed. Furthermore, the natural accumulation of organic oils can eventually dull the vibrant luster of your furniture. Success in stain removal is often a matter of timing; this guide is designed to help you act quickly and safely. 

Fabric Care
Luxurious blue velvet sofa in living room after professional dry solvent cleaning.

Understanding Fabric Construction

Beyond the fiber type lies the 'construction'—the way your fabric is built. From the delicate tension of a fine linen weave to the sensitive adhesives in flocked textiles, every construction style demands a different scientific approach. One wrong chemical or too much heat can lead to shrinkage, pile crushing, or even fiber loss. Simply Clean Houston specializes in 'construction-first' cleaning, using precise extraction and chemistry to protect the life and luxury of your furniture.

Fabric Construction

Professional Cleaning Services

Furniture Upholstery

Furniture Upholstery

A cream linen sofa sectional in a living room after getting the upholstery cleaned.

Our mission is to take the stress out of getting your furniture upholstery cleaned. With our flexible schedule we are able to cater to you.  To keep it simple we have an Up-Front Price List for all interior upholstery cleaning services.

Price Lists

Outdoor Furniture

Furniture Upholstery

Restoration Hardware patio sofa and armchairs in an outdoor patio in front of a fountain.

We spend a lot of time and money when picking out the perfect furniture for our outdoor living areas. There is often a sentimental attachment to these items. It is a priority to properly maintain these treasures. Professional patio furniture and outdoor cushion cleaning.

Find out more

Mattress Cleaning

Mattress Cleaning

A king size mattress and bed frame in master bedroom after professional mattress cleaning.

Cleaning your mattress promotes a better night's sleep, higher quality of health, and mattress longevity. Mattresses collect dead skin, sweat, dust mites, stains, dirt, and sometimes even bed bugs. Professional mattress cleaning in Houston.

Price List

Copyright © 2026 Simply Clean Upholstery - All Rights Reserved.