Outdoor furniture covers are essential for protecting your patio furniture from harsh weather, dust, bird droppings, and UV damage. However, over time, these covers accumulate dirt, mildew, and stains, making them look worn out and reducing their effectiveness.

Cleaning your outdoor furniture covers regularly not only keeps them looking fresh but also extends their lifespan. But how do you clean them properly without causing damage?

In this detailed guide, we’ll walk you through 10 expert-approved tips on how to clean outdoor furniture covers efficiently—whether they’re made of polyester, vinyl, canvas, or mesh.

1. Check the Manufacturer’s Care Label

Before you start cleaning, always check the care label (if available). Some covers are machine-washable, while others require hand-washing or spot-cleaning only. Using the wrong cleaning method can shrink, fade, or weaken the fabric.

  • Machine-washable covers → Use a gentle cycle with mild detergent.
  • Hand-wash only → Soak in a tub with soapy water.
  • Waterproof/vinyl covers → Avoid harsh scrubbing to prevent peeling.

2. Remove Loose Dirt & Debris First

Outdoor covers collect leaves, dust, and cobwebs. Before deep cleaning:

  • Shake the cover vigorously to dislodge loose dirt.
  • Use a soft brush or a vacuum with an upholstery attachment to remove embedded debris.
  • For stubborn dirt, lightly sweep with a broom.

This step prevents dirt from turning into mud when wet.

3. Pre-Treat Stains Before Washing

Stains from bird droppings, pollen, or mildew need extra attention.

  • For organic stains (bird poop, grass, mildew):
    • Mix 1 part white vinegar with 2 parts water and spray on the stain.
    • Let it sit for 10-15 minutes before scrubbing gently with a soft brush.
  • For grease or oil stains:
    • Apply a small amount of dish soap or baking soda paste directly on the stain.
    • Scrub lightly and rinse.

Avoid bleach unless specified—it can weaken fibers and fade colors.

4. Use the Right Cleaning Solution

Harsh detergents can damage waterproof coatings. Instead, opt for:

  • Mild laundry detergent (for machine or hand washing).
  • Specialized fabric cleaner (for vinyl or polyester covers).
  • DIY cleaner: Mix 1 tbsp baking soda, 1 tbsp dish soap, and 1 cup vinegar in warm water for a natural solution.

5. Hand-Washing for Delicate Covers

If your cover isn’t machine-safe, follow these steps:

  1. Fill a large tub or bathtub with lukewarm water and mild detergent.
  2. Submerge the cover and gently agitate with your hands.
  3. Focus on stained areas with a soft brush.
  4. Rinse thoroughly with clean water.

6. Machine Washing (If Safe)

For machine-washable covers:

  • Use a front-loading washer (top-loading agitators can be too rough).
  • Select a gentle cycle with cold water.
  • Avoid fabric softener—it can reduce water resistance.
  • Air dry only (never use a dryer unless specified).

7. Eliminate Mildew & Mold Effectively

Mildew thrives in damp conditions. To kill it:

  • Option 1: Soak in a solution of 1 cup vinegar + 1 cup water for an hour before washing.
  • Option 2: Use oxygen bleach (safer than chlorine bleach) for stubborn mold.
  • Prevent future growth by ensuring covers are completely dry before storage.

8. Air Dry Thoroughly

Never put outdoor furniture covers in the dryer unless the label permits. High heat can:

  • Shrink fabric.
  • Damage waterproof coatings.
  • Cause warping in vinyl covers.

Instead:

  • Hang over a railing or clothesline.
  • Ensure both sides dry completely to prevent mildew.

9. Reapply Waterproofing (If Needed)

Over time, waterproof coatings wear off. After cleaning:

  • Use a fabric waterproofing spray (like Nikwax or Scotchgard).
  • Apply evenly and let dry completely before use.

This restores protection against rain and UV rays.

10. Store Properly When Not in Use

To keep covers clean longer:

  • Fold neatly and store in a cool, dry place.
  • Avoid packing while damp.
  • Use a storage bin to prevent pest damage.

Final Thoughts

Cleaning outdoor furniture covers doesn’t have to be a hassle. With these 10 expert tips, you can maintain their durability, appearance, and functionality for years. Regular cleaning prevents permanent stains, mold growth, and fabric deterioration—saving you money on replacements.

Pro Tip: Clean your covers at least twice a year (before and after winter) for best results.

Now that you know how to clean them properly, your outdoor furniture will stay protected—and your patio will always look its best!


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