Discover expert fixes for blown-in window screens and learn what causes them. Simple solutions for clear, secure windows.

Head of Content, D. Gorenko
Updated June, 5

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Immediate Steps to Assess the Damage
Begin by closely inspecting your blown-in window screen. Carefully remove the screen from the window frame to examine any rips, tears, or a sagging condition. Ensure that the spline—the rubber seal holding the screen in place—is not displaced. If the screen has minor damage, such as small tears or a loose spline, it may be repairable. Otherwise, consider if the damage extends to the window frame or structure.
Tools and Materials Needed
Step-by-Step Repair Process
DIY or Call a Professional?
Many homeowners are capable of repairing minor window screen issues on their own with patience and the right tools. However, if the damage is extensive or if you’re uncomfortable working with sharp tools, you might want to call a professional. A general handyman or a window repair specialist is typically skilled in this repair. For residents in St. Louis and Nashville, a full-service residential and commercial provider like Hoffman Brothers can be a reliable choice.
Safety Warnings and Insurance Tips
Environmental Impacts
Many homeowners notice that strong winds, heavy rains, and intense sunlight can cause window screens to weaken or tear. Over time, these natural forces work on the screen material, causing it to sag and eventually blow away. Extreme weather conditions can stretch the fibers and, combined with heavy moisture, make the screen more susceptible to damage.
Material Degradation
Age and constant exposure to the elements can lead to the breakdown of the screen's fibers. The UV rays from the sun gradually weaken the synthetic or metallic components that hold the screen together. Once these materials begin to deteriorate, the screen becomes fragile and more likely to be displaced or have holes develop, which can cause the whole screen to seem blown-in.
Installation Issues
If a screen is not installed properly, it may sit loosely in the frame, making it vulnerable to damage from everyday use. Over time, imperfect fitting or shifting due to settling of the building can allow wind or minor impacts to push the screen out of place. This instability is often compounded by the weakening of the material from repeated stress.
Structural Wear and Movement
The supporting frame around the window screen can undergo slight movements due to normal expansion and contraction of building materials in response to seasonal temperature changes. When the frame shifts, even slightly, it can pull and detach sections of the screen. This type of wear is common in older buildings or those that have experienced extensive use over many years.
Insect Infestation or Animal Interference
Occasionally, insects or small animals can cause damage to window screens by chewing or clawing at the material. These small breaches may not be noticeable at first but can allow further deterioration. Over time, such damage can contribute to the screen looking blown-in and may accelerate its complete failure.
Impact of Installation Materials
The type and quality of materials used for both the screen and the fasteners play an important role. Low-quality clips, spline, or screen fabric can deteriorate much faster under harsh conditions. When the components used are not durable, their combined effect can result in the window screen becoming loose and dislodged.
Effects of Temperature & Humidity Fluctuations
Drastic changes in temperature and humidity levels can cause the screen materials to expand and contract. This constant movement can weaken the overall integrity of the screen over time. Not only does this repetitive stress set in motion the eventual dislodging of the screen, but it also makes the material more prone to splitting and tearing under pressure.
Many maintenance challenges like these are seen in regions including St. Louis and Nashville, where weather extremes and seasonal variations add to the wear on window screens.
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SERVING
Brentwood, MO
1025 Hanley Industrial
Brentwood, MO 63144
Nashville, TN
45 Willow St.
Nashville, TN 37210

St Louis Location
(314) 664-3011
St Louis Location
1025 Hanley Industrial Brentwood, MO 63144
Nashville Location
(615) 515-3015
Nashville Location
45 Willow St Nashville, TN 37210
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