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How to Clean Filthy Window Tracks and Sills

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Cleaning window tracks and sills might not be the most glamorous chore, but it’s essential for maintaining a clean and healthy home environment. Over time, dirt, dust, and grime can build up in these areas, leading to unsightly stains and potentially impacting indoor air quality. In this comprehensive guide, we’ll walk you through the step-by-step process of effectively cleaning filthy window tracks and sills, restoring them to their former glory.

Understanding the Importance of Clean Window Tracks and Sills

Dirty window tracks and sills can harbor allergens, mold, and bacteria, posing health risks to occupants, especially those with respiratory issues. Additionally, neglected tracks and sills can interfere with the proper functioning of windows, leading to drafts and energy inefficiency.

Tools and Supplies You’ll Need

Before getting started, gather the following tools and supplies:

  1. Vacuum cleaner with brush attachment
  2. Old toothbrush or small scrub brush
  3. Microfiber cloths
  4. All-purpose cleaner or vinegar
  5. Baking soda
  6. Warm water
  7. Q-tips or cotton swabs

Step-by-Step Cleaning Process

Follow these steps to clean filthy window tracks and sills effectively:

1. Begin by Vacuuming

Use the brush attachment on your vacuum cleaner to remove loose dirt, dust, and debris from the window tracks and sills. This will make the cleaning process easier and prevent particles from becoming airborne.

2. Pre-treat Stubborn Stains

For stubborn stains and grime, create a paste using baking soda and water. Apply the paste to the affected areas and let it sit for a few minutes to loosen the dirt.

3. Scrub the Tracks and Sills

Using an old toothbrush or small scrub brush, scrub the window tracks and sills thoroughly, focusing on areas with built-up grime. Pay close attention to corners and crevices where dirt tends to accumulate.

4. Wipe Down with All-Purpose Cleaner

Dampen a microfiber cloth with an all-purpose cleaner or vinegar solution and wipe down the tracks and sills, removing any remaining dirt and residue. Repeat this step as needed until the surfaces are clean.

5. Rinse and Dry

Once the tracks and sills are clean, rinse them with warm water to remove any cleaning solution residue. Use a dry microfiber cloth to wipe them dry, ensuring no moisture is left behind.

Maintaining Clean Window Tracks and Sills

To keep your window tracks and sills clean and well-maintained, consider the following tips:

  • Regularly vacuum or wipe down the tracks and sills to prevent dirt buildup.
  • Use a toothbrush or cotton swab to clean hard-to-reach areas.
  • Avoid using abrasive cleaners or tools that could damage the window surfaces.
  • Inspect your window tracks and sills periodically for signs of mold or mildew and address any issues promptly.


In conclusion, by following these simple steps, you can effectively clean filthy window tracks and sills, improving the appearance of your home and promoting a healthier indoor environment. Remember to perform this cleaning task regularly to prevent dirt and grime from accumulating and maintain your windows’ functionality.

If you find yourself needing assistance with cleaning your window tracks and sills or any other cleaning tasks, consider reaching out to CR Cleaning Pros. As a reputable cleaning company serving the areas with Window Cleaning services in Kitchener, ON and Window Cleaning in Guelph, ON, we pride ourselves on delivering high-quality cleaning services to our clients. With our expertise and attention to detail, we can help ensure that your windows are sparkling clean and free from dirt and grime.

Frequently Asked Questions

1. How often should I clean my window tracks and sills?

  • It’s recommended to clean your window tracks and sills at least once every three months to prevent the buildup of dirt and grime.

2. Can I use bleach to clean my window tracks and sills?

  • While bleach can be effective for removing tough stains, it’s not recommended for cleaning window tracks and sills as it can be harsh and may damage the surfaces.

3. What can I do if my window tracks are rusty?

  • If you notice rust on your window tracks, use a rust remover to clean the affected areas. Be sure to follow the manufacturer’s instructions carefully.

4. How do I prevent mold growth in my window tracks?

  • To prevent mold growth, keep your window tracks clean and dry. Ensure proper ventilation in your home, especially in areas prone to high humidity.

5. Can I use a pressure washer to clean my window tracks and sills?

  • While a pressure washer can be effective for cleaning outdoor window tracks and sills, it’s not recommended for indoor use as it can cause water damage.

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