Maintaining the pristine white appearance of uPVC windows is essential for both visual appeal and the longevity of the material. Over time, various factors like weather conditions, cleaning methods, and external contaminants can cause yellowing, diminishing the aesthetic charm and potentially creating a breeding ground for harmful microorganisms. In this comprehensive guide, we explore effective techniques and homemade solutions to clean yellow uPVC windows and restore them to their original white brilliance.

New uPVC windows have an attractive white color, but plastic may turn yellow over time. How to clean yellow uPVC windows and return their original appearance? We have 4 simple methods that will help you whiten the frames and windowsills.

How to Clean Yellow uPVC Windows and Make Them White

If you remove dirt, dust and yellowness accumulated on plastic windows in a timely manner, their service life will increase significantly. The comfort and health of the family will be preserved. After all, yellow stains, dirt and dust not only spoil the appearance of the window, but are also a good environment for the development of fungus and bacteria.

Why Is Our Window Turning Yellow?

how to clean yellow window frames

In order to keep your uPVC windows white, it is necessary to know what makes them turn yellow and prevent harmful factors from affecting the plastic, if possible. Here are the main factors that affect uPVC and make windows yellow:

  • weather conditions: temperature fluctuations, exposure to sunshine, high humidity;
  • cleaning windows with detergents that contain abrasive additives;
  • plastic absorbs nicotine and fat, so a yellow coating appears;
  • the surface of the frame was contaminated with plaster or mounting foam;
  • low quality of material.

What not to use on your uPVC window frames?

cleaning uPVC window frames and windowsills

Aggressive liquids, sprays and chemicals may damage your window frames and cause discoloration or remove their glossy appearance. To prevent causing irreparable damage to your uPVC windows make sure you DO NOT use the following:

  • scouring pad, wire wool or sponge with a scouring surface.
  • glass cleaner on the frames
  • bleach, methylated spirits
  • cream cleaners, scouring powder or other abrasive cleaners
  • caustic or ammonia-based cleaning agents
  • Nail varnish remover

How to Clean Yellow uPVC Windows with Homemade Products?

How to Clean Yellow uPVC Windows with Homemade Cleaners

How to whiten a uPVC window from without damaging it? If you are using liquid detergent, do not use hard grained or metal brushes as they may scratch the window. It is recommended to use a soft cloth or sponge for dishes, which will not damage the surface, but will effectively remove dirt.

There are many products for cleaning PVC window frames and windowsills. However, It is not always possible to use store-bought products, especially if you are allergic or prefer natural and homemade products. They do not harm plastic, because they do not contain abrasive particles and aggressive substances.

Use Baking Soda

How to use baking soda to clean uPVC windows

Baking soda is our best cleaning ally. It is essential in your collection of homemade cleaning products! It is universal and used to clean almost anything – from refrigerators to stainless steel sinks. How to use baking soda to clean yellow uPVC windows? It is pretty easy!

  • Pour baking soda into a bowl.
  • Add water.
  • Mix until you get a slightly thick paste.
  • Then spread the paste on your PVC surfaces using a damp non-abrasive sponge.
  • Rub well.
  • Rinse.
  • Wipe with a dry towel.

Soda and Washing Powder

Clean PVC window frames with Soda and Washing Powder

Both components can be used separately or together.

  • Take half a liter of hot water and pour a spoonful of ingredients into it.
  • Dissolve everything and apply on the frames.
  • Leave on for 8-10 hours, then rinse with warm water.

How to Clean a Yellow PVC Window with White Vinegar

Clean a Yellow PVC Window with White Vinegar

White vinegar disinfects, deodorizes, degreases, prevents and even treats mineral stains. It is ecological, health-friendly and very useful for house cleaning.

  • Dilute a few spoons of white vinegar in a bucket of warm water.
  • Gently rub the window frame using a soft, non-abrasive sponge.
  • Then rinse with clean water.
  • Wipe or air dry.

Clean Yellow Stains on uPVC Windows with Hydrogen Peroxide

Clean Yellow Stains on uPVC Windows with Hydrogen Peroxide

Household (3 percent) hydrogen peroxide removes stains, red win, even blood. It is often used for cleaning different surfaces and you can use it to restore the white color of your window frames.

  • Wash your window with dish soap.
  • Rinse well, removing all soap.
  • Pour household hydrogen peroxide into a container
  • Damp a clean towel.
  • Clean your window.
  • Rinse.
  • Let it dry.

clean yellow window frames without chemical cleaners

Each housewife chooses her own way of whitening uPVC window frames. It must be safe, both for humans and for plastic. Regular cleaning of window frames will keep them white and will please the eye for a long time.

By understanding the root causes of yellowing in uPVC windows and adopting proper cleaning practices, you can prolong the lifespan of your windows and safeguard the health and comfort of your household. Regular maintenance using gentle yet efficient cleaning solutions will not only enhance the visual appeal of your windows but also contribute to a healthier indoor environment. Explore the methods outlined in this article to keep your uPVC windows looking fresh and bright for years to come.

Frequently Asked Questions

  • Q: Can weather conditions really impact the color of uPVC windows?
    A: Yes, exposure to temperature fluctuations, sunlight, and high humidity can contribute to the yellowing of uPVC windows over time.
  • Q: Why should I avoid using abrasive cleaners on uPVC window frames?
    A: Abrasive cleaners can damage the surface of uPVC frames, leading to discoloration and loss of glossiness.
  • Q: How effective is baking soda in cleaning yellow uPVC windows?
    A: Baking soda is a versatile and gentle cleaning agent that can effectively remove dirt and stains from uPVC surfaces without causing damage.
  • Q: Is white vinegar a safe and eco-friendly option for cleaning uPVC windows?
    A: Yes, white vinegar is a natural disinfectant and degreaser that can help restore the white color of uPVC windows without harmful chemicals.
  • Q: Can hydrogen peroxide be used to remove yellow stains from uPVC windows?
    A: Household hydrogen peroxide is a potent stain remover that can effectively eliminate yellow stains and restore the original white hue of uPVC window frames.
  • Q: Why is regular cleaning essential for maintaining the white appearance of uPVC windows?
    A: Regular cleaning prevents the buildup of dirt, dust, and contaminants that can cause yellowing and deterioration of uPVC windows, ensuring they remain visually appealing and durable.