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Common Causes of Window Damage

Dec 13, 2023

Windows are essential components of our homes and buildings, providing light, ventilation, and aesthetic appeal. However, they are susceptible to various forms of damage. Understanding these causes can help in maintaining the integrity and functionality of your windows.

Identifying the Culprits Behind Window Damage

Environmental Factors

One of the primary causes of damage to windows is environmental exposure. Windows face the brunt of weather conditions, from scorching sun and freezing temperatures to wind, rain, and hail. Over time, this exposure can lead to wear and tear on the window frames and glass.

window damage

  • Sun and Heat: Prolonged exposure to sunlight can cause window frames, especially those made of wood or vinyl, to warp, crack, or fade. The heat can also compromise the sealant around the glass, leading to air leaks and reduced energy efficiency.
  • Moisture and Rain: Continuous exposure to moisture, either from rain or humidity, can cause wooden frames to rot and metal frames to corrode. It can also lead to mold and mildew growth, which not only damages the window but can also pose health risks.
  • Wind and Storms: High winds and storms can cause immediate and obvious damage, such as broken glass or dislodged frames. Even less severe winds can cause gradual wear by blowing debris against the window surface.

Accidental and Human-Caused Factors

Another source of window impairment is human activity, both accidental and intentional.

  • Accidents: Everyday accidents, like a ball being thrown against a window, can lead to cracks or complete breakage. Furniture or other items being knocked into a window can also cause damage.
  • Vandalism: Unfortunately, windows can be targets for vandalism, leading to intentional breakage or graffiti, which can be costly to repair.

Poor Installation and Maintenance

Improper installation or inadequate maintenance can also lead to window deterioration.

  • Installation Issues: If a window is not correctly installed, it may not only function poorly but also be more susceptible to environmental damage. Poor installation can lead to gaps, leaks, and a weakened structure.
  • Neglecting Maintenance: Regular maintenance, such as cleaning, inspecting for damage, and resealing if necessary, is crucial for prolonging the life of windows. Neglect can lead to exacerbated wear and tear.

Preventing and Addressing Damage to Windows

Regular Inspections and Maintenance

Conducting regular inspections and maintaining your windows can prevent minor issues from becoming major problems. Look for signs of wear, such as cracks in the glass or frame, peeling paint, or deteriorating sealant. Cleaning your windows regularly can also prevent dirt buildup that can cause damage over time.

Choosing the Right Materials

Selecting the right materials for your windows is crucial, especially considering your local climate. For instance, vinyl or fiberglass frames might be more suitable in areas with high humidity, while aluminum frames might be better in coastal areas.

Professional Installation and Repairs

Ensuring that your windows are professionally installed can prevent many common issues. Additionally, seeking professional help for repairs, especially for significant damage, is crucial for maintaining the safety and efficiency of your windows.


window damage

Understanding the common causes of window damage is key to protecting and maintaining your windows. Regular maintenance, careful material selection, and professional installation and repairs can help extend the life of your windows and keep them functioning effectively. Remember, windows are more than just glass panes; they are vital parts of your home’s structure and aesthetics. For more personalized advice or assistance with your window concerns, don’t hesitate to contact Johnson County Siding & Window Co. Inc. today.


If you know you want to get your home exterior project done, but are feeling stress about paying for it all at once, we can help.

Our financing partner, GreenSky, has sensible payment plans that work for homeowners who prefer to pay in installments. You can also ask your JoCo Siding & Window Co. sales representative about the details!

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