Seeing that unsightly black or green mildew on your vinyl garden benches? Don't worry – it's a common problem and often easier to fix than you think. Vinyl is durable, but porous surfaces can trap moisture and organic material, creating the perfect environment for mildew. Here’s your practical guide to getting those benches looking new again.
First, safety: put on gloves and consider eye protection. Work in a shaded, well-ventilated area.
Method 1: The Simple Vinegar Solution (Best for Light to Moderate Mildew)
This is a great, non-toxic first attempt.
1. Mix a solution of one part white distilled vinegar to one part warm water in a spray bottle.
2. Generously spray the mildewed areas until thoroughly wet.
3. Let the solution sit for 10-15 minutes to penetrate and kill the mildew spores.
4. Scrub the area with a soft-bristled brush (an old toothbrush works for crevices). Avoid abrasive pads that can scratch the vinyl.
5. Rinse thoroughly with a garden hose. For stubborn spots, repeat the process.
Method 2: For Stubborn Mildew Stains
If vinegar isn't enough, a mild detergent boost can help.
1. In a bucket, mix 2 tablespoons of mild dish soap (like Dawn) with 1 gallon of warm water.
2. Add 1 cup of white vinegar or rubbing alcohol to the mixture.
3. Apply with a soft cloth or sponge, scrub gently, and let sit for 5-10 minutes.
4. Rinse completely. Avoid bleach, as it can damage vinyl's color and integrity over time.
Method 3: Using a Pressure Washer (For Heavy Buildup)
A pressure washer can be highly effective if used correctly.
* Use a wide, 40-degree nozzle and keep it at least 12-18 inches from the vinyl surface.
* Use the lowest effective pressure setting to avoid etching or gouging the material.
* Pre-wet the bench, apply from a consistent angle, and rinse evenly.
After Cleaning & Prevention Tips
Always dry the bench completely with a clean microfiber cloth after cleaning. To prevent future mildew:
* Store benches under cover or use waterproof covers during wet seasons.
* Wipe down benches after rain or dew.
* Apply a protectant like 303 Aerospace Protectant to create a UV and moisture-resistant barrier.
With these steps, your vinyl benches will be clean, protected, and ready for you to enjoy all season long.