wood window problems

Wood Window Problems

Wood windows are popular with many homeowners due to their traditional charm and natural beauty. However, common wood window problems can compromise their functionality and durability over time. In this article, we’ll explore homeowners’ most common issues with wood windows and provide practical solutions to fix them.

Understanding the Issues with Wood Windows

While wood windows can add a touch of elegance to any home, they are not without drawbacks. Unlike other materials like vinyl or metal, wood is susceptible to rot, warping, swelling, and sticking, leading to various problems. Additionally, wood windows require more maintenance than other materials to keep them in good condition.

The Appeal of Wood Windows

Despite their drawbacks, many people still choose wood windows for their aesthetic appeal. Wood offers natural warmth and beauty that other materials cannot achieve. Additionally, wood is a renewable resource, making it a more sustainable choice for eco-conscious homeowners.

One of the most appealing aspects of wood windows is their versatility. They can be painted or stained to match any decor and customized to fit any size or shape. This makes them popular for historic homes or homes with unique architectural features.

Why Wood Windows Can Cause Problems

Wood is a porous material that absorbs moisture easily, which makes it vulnerable to rot, warping, and swelling. Over time, exposure to water and changes in temperature can cause the wood to expand and contract, compromising its structural integrity. Additionally, wood windows are more susceptible to insect damage than other materials.

However, with proper maintenance, wood windows can last for decades. Regular cleaning and sealing can help prevent moisture damage and insect infestations. Additionally, repairing any damage as soon as it occurs can help prevent further deterioration.

It’s also worth noting that some manufacturers offer wood windows with advanced coatings and treatments that can help prevent moisture damage and other issues. These options may come at a higher cost but can provide added peace of mind for homeowners.


While wood windows may require more maintenance than other materials, their natural beauty and versatility make them popular for homeowners. By understanding the potential issues and taking steps to prevent damage, wood windows can provide a long-lasting and elegant addition to any home.


Common Problem 1: Wood Rot

Wood rot is a fungus that can develop on damp wood, causing it to decay and weaken over time. This can be a severe problem for wood windows, compromising their structural integrity and making them unsafe. Fortunately, there are several solutions to fix wood rot.

Identifying Wood Rot

A musty or damp smell is one of the first signs of wood rot. Additionally, you may notice discolored or soft areas on the wood’s surface and cracks or splits in the wood. If left untreated, wood rot can cause the wood to crumble or break apart.

It’s important to note that various factors, including exposure to moisture, poor ventilation, and insect infestations can cause wood rot. Therefore, it’s essential to identify the underlying cause of wood rot to prevent it from happening again.

Preventing Wood Rot

Keeping your windows clean and dry is the best way to prevent wood rot. This means regularly cleaning them with a mild soap and water solution and avoiding leaving them wet for extended periods. You can also apply a sealant or paint to the wood to protect it from moisture.

Another way to prevent wood rot is to ensure your windows are adequately ventilated. This means opening them up regularly to allow for air flow and to avoid condensation from building up inside the window frames.

Repairing Wood Rot

If you notice signs of wood rot on your windows, you must act fast to prevent further damage. One solution is to remove the affected wood and replace it with a new section. This is a good option if the rot is limited to a small window frame area. Alternatively, you can use wood filler or epoxy to fill in any holes or cracks and strengthen the wood. This is a good option if the rot is mild and you want to avoid replacing the entire window frame.

It’s important to note that if the wood rot is extensive or has compromised the structural integrity of the window frame, it may be necessary to replace the entire frame. This is a more costly solution but will ensure your windows are safe and secure.

In conclusion, wood rot is a common problem for wood windows, but it can be prevented and treated with the right tools and techniques. By keeping your windows clean, dry, and well-ventilated, you can help prevent wood rot from occurring in the first place. And if you do notice signs of wood rot, don’t hesitate to take action to repair it before it becomes a more severe issue.


Common Problem 2: Warping and Swelling

Warping and swelling are common problems with wood windows, particularly in humid or wet climates. These issues occur when the wood expands or contracts due to changes in temperature or moisture, causing it to warp or swell. When wood windows warp or swell, they can become difficult to open and close and may let in drafts or moisture. This can lead to higher energy bills and potential damage to your home’s interior.

Causes of Warping and Swelling

There are several causes of warping and swelling in wood windows, including exposure to moisture and temperature changes. In humid climates, the excess water in the air can seep into the wood and cause it to swell. Similarly, extreme temperature changes can cause the wood to expand and contract, leading to warping.

Additionally, improper installation or maintenance can also contribute to these issues. If the windows were not installed properly, they might not be able to handle the weight of the glass or maybe too tightly secured, causing the wood to warp. Lack of maintenance, such as failing to seal or paint the wood, can make the windows more susceptible to warping and swelling.

Preventing Warping and Swelling

Keeping your wood windows dry and well-maintained is essential to prevent warping and swelling. This means regularly inspecting them for signs of damage, such as cracks or splits, and sealing or painting the wood to protect it from moisture. You can also install weatherstripping around the windows to help keep out drafts and moisture.

Another way to prevent warping and swelling is to choose the right type of wood for your windows. Some types of wood, such as douglas fir and mahogany, are naturally resistant to moisture and less likely to warp or swell.

Fixing Warped or Swollen Wood Windows

If you notice that your wood windows are warped or swollen, you may be able to fix the issue by sanding down the affected area and sealing it with a protective coating. For more severe cases, you may need to replace the affected section of wood. It’s essential to address warping and swelling issues immediately to prevent further damage to your windows and home. Ignoring these issues can lead to more costly repairs down the line.

With proper maintenance and care, you can prevent warping and swelling in your wood windows and keep them functioning properly for years.


Common Problem 3: Sticking Windows

Sticking windows can be a frustrating problem for homeowners, making it difficult to open or close the window. This issue occurs when the wood swells or warps, causing the window to become stuck in the frame.

Reasons for Sticking Windows

There are several reasons why your wood windows may be sticking, including humidity, changes in temperature, and improper installation or maintenance. Sticking windows can be found in casement, hung, or slider window types.

Humidity is a common cause of sticking windows, particularly in areas with high moisture levels in the air. When wood absorbs moisture, it can swell and warp, which can cause the window to become stuck in the frame. This is why keeping your windows dry and well-maintained is essential, particularly during humid weather.

Temperature changes can cause wood to expand and contract, leading to sticking windows. This is particularly true in older homes with single-pane windows that are not well-insulated. If your windows stick more frequently during extremely hot or cold weather, it may be time to consider upgrading to more energy-efficient windows.

Improper installation or maintenance can also contribute to sticking windows. If your windows were not installed correctly or have not been adequately maintained over time, they may be more prone to sticking. This is why it’s essential to work with a reputable contractor to install new windows and have them inspected and maintained regularly.

How to Unstick a Wood Window

If you’re dealing with a stuck wood window, there are several solutions you can try. One solution is to lubricate the window with a silicone-based lubricant, which can help it slide more quickly in the frame. If not, you can try sanding down the affected area or adjusting the structure to ensure the window glides smoothly.

Before you can do any repairs, it’s essential to identify the cause of the stuck window. For example, if the window is stuck due to moisture or temperature changes, you may need to address those underlying issues before making any repairs.

Preventing Sticking Windows in the Future

The best way to prevent sticking windows is to keep your wood windows dry and well-maintained. This means inspecting them regularly for signs of damage and ensuring they are properly sealed and painted to protect against moisture. Additionally, you should avoid painting or sealing the window shut, as this can cause it to stick in the frame.

Another way to prevent sticking windows is to upgrade to more energy-efficient windows. Newer windows are designed to provide better insulation and reduce the impact of temperature changes on the wood frame, which can help prevent sticking over time.

Finally, working with a reputable contractor when installing new windows or repairing existing ones is essential. A professional contractor can help ensure that your windows are correctly installed and maintained, which can help prevent sticking and other common window problems in the future.


Wood windows can be a beautiful and timeless addition to any home but cost most and require more maintenance than other materials. By understanding the common problems homeowners face with wood windows you know why people tend to avoid them.

For questions on window pricing and availability, call us at 903-752-0449.

Our service area includes the following towns: Tyler, Whitehouse, Bullard, Lindale, Chandler, Canton, Mineola, Longview, Kilgore, Henderson, Gilmer, Gladewater, Marshall, Hallsville, and Palestine.