What happens if you don't clean your windows over time?

Author: Mossie Schinner  |  Last update: Tuesday, November 25, 2025

Windows which are not regularly cleaned have a higher risk of etching. This etching will weaken the glass, making it more fragile and it will consequently shatter more easily. Even if the glass doesn't necessarily reach this level and shatter, the layers of grime and debris which build up may cause discolouration.

How often do windows need to be cleaned?

Generally, it is recommended to have your windows cleaned at least twice a year. This frequency ensures that your windows remain clean and free from dirt, dust, and grime buildup.

What happens if window glass isn't cleaned?

If you don't wash your windows, particles of dirt get jammed in the pores of your glass. It gets contaminated and corroded. The first negative effect is the appearance of small, almost unnoticeable window cracks. The next level of contamination is dangerous mold.

How do you clean outside windows that haven t been cleaned in years?

Create a cleaning solution with equal parts vinegar and water and a few teaspoons of dishwashing liquid for a sudsy mixture. Dip the sponges of the two parts of the tool into the soapy water and rub them together.

Can dirt damage windows?

Grit, grime, dirt and debris can cause long-term, irreparable damage to windows, shutters, and frames. The best investment you can make to keep your windows in prime condition is to regularly clean them. Unwashed windows may eventually break at the seams, literally.

Solving The Biggest Problems With Windows

What happens if you never clean windows?

Windows which are not regularly cleaned have a higher risk of etching. This etching will weaken the glass, making it more fragile and it will consequently shatter more easily. Even if the glass doesn't necessarily reach this level and shatter, the layers of grime and debris which build up may cause discolouration.

How does the inside of your windows get dirty?

When you're cooking, significant amounts of grease and steam get into the air in your home. Combined, they will stick like glue to the glass in your windows. This substance makes your windows look dirty and can be very difficult to remove. This is why you need help from professional cleaning services.

How often do outside windows need cleaning?

Cleaning every 3 months will keep a good standard for around 5 to 6 weeks with the dirt returning for the last month and a half. This service is ideal for more rural customers who want their property to stay looking clean and tidy all year round.

What do professional window cleaners use in their solution?

They utilize various soaps and detergents, including dish soap like Dawn, and may add additives such as vinegar, ammonia, or rubbing alcohol to enhance their cleaning solutions. Outside windows often benefit from these specialized cleaning solutions, which are designed to handle tougher dirt and grime.

Are old windows harder to clean?

Importantly, the age of your windows can impact the cleaning process and the results. Older windows often have more wear and tear. They might have scratches, chips, or even small cracks in the glass or framing. Professional cleaners (like us!)

Is it necessary to clean windows?

Cleaning your windows regularly actually extends the life of your glass. A build-up of grime, dirt, and mildew can etch the glass surface, which weakens the structural integrity of the glass piece. With enough scratches, your windows will become fragile and can shatter easily.

Does window glass deteriorate over time?

No matter how sturdy your window frame was originally or how thick the glass is, windows naturally deteriorate over time. This is a larger issue in older homes. While modern windows are sturdier, even they can break down over time.

What are the disadvantages of window cleaning?

Safety Risks: Cleaning gutters and windows often involves using ladders or climbing on rooftops, which can be dangerous.

What month is best for window cleaning?

The best time of year to wash windows is the fall and spring months. These times are optimal because, in most locations, they offer the best temperature to wash outside windows. Most pros agree that temperatures between 50 and 75 degrees Fahrenheit (10-24C) are best for effectively cleaning windows.

Why are my windows still dirty after cleaning?

Hard water, which contains high levels of minerals like calcium and magnesium, can leave behind spots and streaks when it dries. If you're using tap water to clean your windows, these minerals can deposit on the glass, creating a hazy, smeared look.

How often should you clean your bathroom?

In general, you should clean your bathroom thoroughly about once a week to help you maintain a baseline level of bathroom cleanliness. However, there are other factors to consider, too—like how often you touch different surfaces and how many people live in your household.

Is vinegar and Dawn good for cleaning windows?

Use a soft brush or a sponge and remove dirt or cobwebs from the window surfaces. Mix equal parts white vinegar and water in a bucket. Add a few drops of dish soap to help cut through grease and grime. Use a hose with a sprayer attachment to wet the window thoroughly.

Why do my windows look smeared after cleaning?

Too Much Soap in the Solution

Well, window cleaner, this can absolutely apply to your soap solution. Your windows could be looking murky because you're using way too much of the good stuff. When it comes to concentrate, a little goes a long way, even if you're using regular dish soap.

Is Windex or vinegar better for windows?

Spray a stronger mix of 1:1 water and vinegar (or Windex, or glass cleaner) at your window, so that the solution covers most of the glass. (I found Windex to work better, but if you have pets—or kids—who frequently lick outdoor windows, vinegar may be the best route for you.)

When should you not wash windows?

Since residential window cleaning can be done just about any time then the only time you should avoid having your windows cleaned is when there is a big storm with wind and rain.

Can you clean outside windows with just water?

Pure Water Window Cleaning is becoming increasingly popular for the following reasons: No Need for Ladders - Pure Water Window Cleaning can be carried out at height, from the ground. Accessibility - reach over awkward obstacles, clean uPVC plastic frames and sills from the ground.

How often do most people have their windows cleaned?

Semi-Annual Window Cleaning Maintenance

This means your windows will be cleaned twice a year; many like their windows cleaned in the Spring and in the Fall.

What is the secret to cleaning windows?

Vinegar, an all-natural and nontoxic cleaner, mixed with warm water is an effective and environmentally friendly glass-cleaning solution. Avoid using soap and paper towels for cleaning glass; instead, opt for a solution with minimal soap and use a microfiber cloth or newspaper to prevent streaks and lint.

Does opening windows let dust in?

One study by the University of Arizona found that opening windows increased dust and pollen levels in homes. In addition, the study found that when windows were open, dust and pollen from outside could enter the home and settle on surfaces.

Can the inside of double pane windows be cleaned?

It's possible to clean the inside of double pane windows by drilling holes and pouring alcohol down them or by adding desiccants into the holes of the windows, but this isn't recommended. Instead, if your windows are foggy or dirty, you should try using a dehumidifier and then call a professional.

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