6 Ways to Keep Glass Windows Rust Free

Before contacting window replacement companies regarding your windows being damaged because of rust, you might want to make an effort to do the repairs on your own. There are a lot of ways you can remove them with interesting things at home.

Rust is basically an organic stain that should be removed before it transfers to other surfaces—particularly your window. Keep in mind that when you remove rust stains, you have to be careful so that your windows won’t get damaged or scratched. Also, be sure that you tend to the metal objects nearby so that you can prevent any future transfer of rust.

Here are some household items that you can use as rust removers!

Homemade Glass Cleaning Solution

Homemade Glass Cleaning Solution

You can make your own cleaning solution that can remove rust by mixing ¼ cup of cornstarch, ½ cup ammonia (you can buy a bottle in your nearest hardware store.), and 1 cup of white vinegar into a bowl.

To use it to clean your windows, use a lint-free cloth and dip it into the solution. Wring out excess moisture. Use it to wash the windows focusing particularly on the stains. Afterward you can rinse the cloth with water then apply the solution to the window one more time until the rust stains are removed.

Use a clean, wet cloth to rinse the solution off the windows once you’re done and then dry with a squeegee. Lastly, you can just towel dry the edges of the window where bits of moisture remain.



For lighter rusty stains, you can use lemons. These are natural rust removers. Just rub half a lemon on the stubborn rust stains and it’ll fall off quickly. Just like the previous point, you should use a clean wet towel to rinse off the lemon juice after it’s done its magic.

Afterward, you can dry the window the same as before—using a squeegee and a clean dry towel.

Dishwashing Detergent

Dishwashing Detergent

They’re already great at making sure the plates that you eat on are clean from many germs. It will also be great as a rust stain remover when done in the right way!

Apply the liquid dishwashing detergent straight on the rust stain with a clean cloth. Rub it lightly so that you loosen the rust from the glass.

Afterward, use super fine steel wool to gently rub on the stain if it’s still visible after the initial rubbing using a cloth. Make sure that you don’t press too hard so that the steel wool won’t leave any lasting impressions on the glass.

When the rust stains are removed, rinse the area with water and then dry it with a clean cloth.

Oxalic Acid

Oxalic Acid

Like ammonia, oxalic acid is a great household chemical—especially as a cleaner for various things. It can be used as a stain lifter for woodwork, a bleaching agent, and more in line with this post—a rust remover.

In order to use oxalic acid, mix ¼ cup of it with 1 qt. of water. The solution should be strong enough to loosen and remove rust stains.

Take a clean cloth, dip it into the solution and apply it to the rust stains. Simply rub the mixture onto rust stains to remove them completely.

After application rinses the area with clear water and dries it.

Aside from removing rust when it’s already there, you can also make use of these two in order to entirely prevent rust from even forming on your windows.

Polyurethane Sealants

Polyurethane Sealants

First off, you can try out polyurethane sealants. With sealants, your vulnerable windows will not be me reached by the force of nature. PU sealants are widely used to protect windows from getting rust and other kinds of stains and damages. It also doubles as a way to add aesthetic value to the window.

Other benefits that you can get by using polyurethane sealants include the following:

  • Amazing tear and abrasion resistance
  • Good chemical and weather resistance
  • Adhesion compatibility.



This coating functions a lot like polyurethane sealants though in this case, its only advantage is that it is resistant to rust. Though the sealant

Provides better protection in general, paint does are more versatile when it comes to customizability and design.

That being said, both of them can be bought in your nearest DIY store—making them quick and easy components of a rust-free window!

Key Takeaway

Making your windows rust-free can be really easy, given the right tools and materials. Of course, you can either seal them up with sealants and paint or just clean up the rust that forms every so often. That being said, there are some types of damages that can’t be fixed with a simple rust remover or deep cleanser. When that happens, it’s best if you contact window replacement companies to see if you’ll be needing new ones for your home.

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