How to Clean Windows for a Streak-Free Finish

A “streak-free clean window” is a window that has been cleaned in a manner that leaves no visible streaks, smudges, or residue on the glass surface.

Such a cleaning process ensures that the window appears crystal clear and free from any marks or blemishes when viewed from both the inside and outside. Streak-free cleaning is often a goal when cleaning windows to achieve optimal clarity and transparency.

Clean and streak-free windows can significantly enhance the appearance of your commercial space, allowing natural light to filter in unobstructed and providing a clear view of the outdoors.

Not only do they improve aesthetics, but they also promote a healthier living environment by minimising the accumulation of dust, dirt, and allergens.

In this guide, we will go through the essential steps to achieve spotless windows, sharing tips and techniques to help you maintain the cleanliness of these crucial elements in your commercial space.

Whether you’re a first-time cleaner or looking to improve your window cleaning game, this guide will equip you with the knowledge and skills to achieve a streak-free finish that will leave your office looking its best.

11 Effective Ways to Ensure Your Windows Shine

Achieving a streak-free finish while cleaning your windows may seem daunting, but with the proper methods and techniques, it’s easier than you might think. Below, we’ll explore 11 effective methods to ensure your windows shine without a trace of streaks.

1. Start with Dry Weather

Cleaning windows on a dry, cloudy day or in the shade helps prevent the cleaning solution from drying too quickly, which can lead to streaks. Direct sunlight can also cause the solution to evaporate prematurely.

2. Remove Loose Debris

Before applying any cleaning solution, use a brush or microfiber cloth to remove loose dirt, dust, and cobwebs from the window surface. This initial step prevents dirt from turning into streaks during cleaning.

3. Use the Right Cleaning Solution

Choose a suitable cleaning solution, such as a mix of equal parts white vinegar and water or a commercial window cleaner. Avoid using ammonia-based cleaners, as they can leave streaks.

4. Apply the Solution Sparingly

Spray the cleaning solution evenly across the window’s surface, but avoid oversaturating it. Excessive moisture can lead to streaks as it dries.

5. Use a Microfiber Cloth

Opt for a high-quality microfiber cloth to clean the glass. Microfiber is effective at trapping dirt and reducing streaks, leaving your windows sparkling clean.

6. Wipe in Vertical and Horizontal Strokes

When scrubbing the glass, use vertical strokes on one side and horizontal strokes on the other. This technique allows you to identify and eliminate streaks more easily.

7. Invest in a Quality Squeegee

A professional-grade squeegee with a well-maintained rubber blade can provide excellent results for more oversized windows. Ensure the blade is in good condition and pull it smoothly from top to bottom for a streak-free finish.

8. Keep the Edges Dry

After squeegeeing, use a lint-free cloth to wipe the edges and corners of the window. Moisture tends to accumulate in these areas and can result in streaks.

9. Buff with Newspaper

For an extra streak-free finish, buff the window with a crumpled newspaper. The newsprint can absorb any remaining moisture and leave the glass gleaming.

10. Pay Attention to Tracks and Frames

Clean the window frames and tracks with a damp cloth or sponge. These areas can collect dirt and dust, which, if left unaddressed, may transfer to the glass and cause streaks.

11. Inspect for Streaks

Before finishing, inspect the window from different angles and under various lighting conditions to ensure no streaks or residue. Touch up any problematic areas as needed to achieve a spotless finish.

Necessary Supplies and Tools

Before embarking on the mission to achieve streak-free windows and doors, it’s crucial to gather the right supplies. Having the appropriate tools and cleaning products at your disposal will make the task more efficient and effective. A list of necessary items is mentioned below.

  • Cleaning Solution: Depending on your preference, you can choose between store-bought window and glass cleaners or make your own with a mixture of water and a small amount of vinegar or dish soap. Select a solution that works well for the specific surfaces you’re cleaning.
  • Cloths or Squeegees: Microfiber cloths or lint-free paper towels are ideal for wiping windows and doors without leaving streaks. Alternatively, a high-quality squeegee can be an excellent choice for large glass surfaces.
  • Bucket: You’ll need a bucket to mix your cleaning solution and for easy access to your cleaning cloth or sponge.
  • Extension Pole or Ladder: If you’re tackling high windows or doors, consider an extension pole or ladder to reach those out-of-reach areas safely.
  • Dust Brush or Duster: A dust brush or duster will help you remove loose dirt and cobwebs from the window and door frames before cleaning.


In the quest for streak-free windows and doors, it’s essential to remember that achieving a pristine look doesn’t have to be complicated. With the proper methods and a little effort, you can transform your living space, allowing natural light while maintaining a clean and fresh atmosphere. We understand the significance of a spotless environment.

Office Cleaning Services

At ACS Commercial Cleaning, our office cleaning services are geared towards making this process hassle-free. Our experienced team is committed to ensuring your windows, doors, and all surfaces remain impeccable and well-maintained.

Whether you’re a business owner aiming to create a welcoming ambience for your customers or a tenant looking for end-of-lease cleaning, our professional cleaning services can help. Contact us today to discover how we can enhance the appeal and cleanliness of your space. Call us at 03 9114 9778 and get a FREE quote.