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How to Clean Plastic Windows

Cleaning Advice / February 12, 2024


Plastic windows are a popular choice for many homes and businesses in Brisbane. Made from materials like vinyl, acrylic or polycarbonate, plastic windows are affordable, durable and low maintenance. However, they still require regular cleaning to keep them looking pristine and allow natural light to shine through. Follow this simple guide to learn how to effectively clean plastic windows.

Assess the Windows

Start by taking a close look at the plastic windows you plan to clean. Check for any scratches, fogginess, discolouration or dirt buildup. This will help you identify any problem areas to focus on during cleaning. Also note if the windows have any special coatings or films applied that require certain products to avoid damage.

Gather Your Supplies

Cleaning plastic windows doesn’t require anything too elaborate. You’ll need:

  • A soft, lint-free cloth or sponge
  • Mild dish soap or plastic window cleaner
  • Squeegee
  • Bucket of water
  • Window scrubbing brush for heavy dirt
  • Old towel or paper towels
  • Extendable duster for hard to reach areas

Avoid using abrasive cleaners, scouring pads or anything that could scratch the plastic. Also have a stepladder ready if cleaning any second story or high windows.

Mix Your Cleaning Solution

The key is using a mild cleaning solution that lifts dirt without damaging the plastic. Fill your bucket with lukewarm water, then add a small squirt of dish soap or plastic window cleaner. Too much soap can leave streaks. Swirl the water gently to mix.

Wash the Windows

Dip your sponge or soft cloth into the solution and wring out any excess. Gently wash the exterior plastic panes top to bottom. Use a scrubbing brush for any stubborn dirt or grime. Take care not to scratch the plastic.

For interior panes, carefully clean around any window treatments to access the edges and top of the windows. Allow the solution to sit briefly on any foggy or discoloured areas before gently scrubbing.

Rinse thoroughly with clean water to remove all soap residue. Be extra thorough on textured plastic windows so soap doesn’t get trapped in crevices.

Dry and Polish

This step is key to getting streak-free, crystal clear plastic windows. Use your squeegee to wipe the windows dry horizontally first, then vertically. Buff any leftover moisture away with your microfibre cloth or towel.

For hard to reach spots like corners, rely on your extendable duster. You can also use a blow dryer on a low setting. Inspect closely and buff out any last streaks.

Maintain Cleanliness

To keep your plastic windows looking freshly cleaned, try these maintenance tips:

  • Wipe away handprints, smudges and rain spots as needed
  • Rinse exterior windows if pollen, bird droppings or dust accumulates
  • Apply plastic window treatments like UV or glare control film
  • Install screens to help block dirt and debris
  • Prune back any nearby trees or bushes touching the windows
  • Re-coat scratched or foggy plastic panes with polish

With proper care and regular cleaning, your plastic windows can stay crystal clear and provide a beautiful view for years to come. Reach out to the experts at Eco Cleaning Brisbane if you need any assistance keeping your plastic or glass windows spotless. Our trained professionals have been providing premier window cleaning services in Brisbane for over 20 years.

What is the best way to clean foggy plastic windows?

Use a mix of equal parts white vinegar and warm water. Gently scrub with a soft cloth, then rinse well. Avoid using abrasives that could further scratch the plastic.

How can I remove paint from plastic windows?

Try stripping spray paint carefully with a plastic scraper. For dried latex paint, soak the area in warm soapy water then gently scrape. Avoid using harsh chemical paint strippers.

What is a good homemade plastic window cleaner recipe?

Mix 1/4 cup vinegar, 1 tbsp dish soap and 2 cups water. Or, combine 2 cups water, 1/4 cup rubbing alcohol, 1 tbsp cornstarch and a few drops essential oil.

How often should I clean exterior plastic windows?

Clean the outside of plastic windows at least twice a year. More frequent cleaning may be needed near trees/bushes or if windows are exposed to pollution.

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