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How to Solve Aluminum Window Sealing Problems and Perform Professional Maintenance

Introduction

Studies show that sealing issues are among the most common problems faced by aluminum alloy window users, impacting their energy efficiency and lifespan. Approximately 30% of households encounter varying degrees of sealing issues with aluminum alloy windows, leading to energy loss and potential problems like water leakage and drafts, increasing heating and cooling costs. This article will detail common aluminum alloy window sealing problems and their solutions, and provide professional maintenance tips to help you enhance your windows’ performance and longevity.

Common Aluminum Alloy Window Sealing Problems

Sealing strips can easily age, shrink, or get damaged over time, reducing their sealing effectiveness. For example, one user reported that after a few years of use, the sealing strips on their aluminum alloy windows had hardened, allowing cold drafts into the house during winter. Regularly inspecting and promptly replacing aged or damaged sealing strips is an effective solution to maintain good sealing performance. A construction company found that 90% of customer complaints were due to aged sealing strips, and by regularly maintaining and replacing them, they reduced customer complaints by 80%.

If the window structure is poorly designed, such as insufficient waterproofing, rainwater might enter the window cavity under wind pressure and not drain properly, causing leaks. One user shared that every heavy rain resulted in leaks around their window edges, which was very frustrating. Choosing products with well-designed, waterproof structures and having them professionally installed can effectively solve this issue.

During installation, if the assembly dimensions are not controlled properly, sealing overlaps are misaligned, or overlap sizes are insufficient, it can lead to poor sealing. Additionally, improper use of sealant or failure to clean sealing areas can affect sealing performance. One user mentioned that their aluminum alloy windows had been leaking air since installation, later discovering that the sealing had not been done properly during installation. Selecting a qualified installation team, ensuring installation quality, and conducting strict post-installation sealing inspections can prevent such issues.

Using low-quality sealants, sealing strips, and hardware can lead to sealing failure. For instance, buying cheap sealant to save money resulted in leaks after just a year. Opting for high-quality sealing materials and accessories, although slightly more expensive, can significantly extend the lifespan of your windows.

Improper connection between the aluminum alloy window frame and the wall, with gaps that are too large or too small, can also cause sealing and water leakage issues. One user shared that there were noticeable gaps between their windows and walls, causing water to seep in during rainy days. Ensuring tight connections between the window frame and the wall, and promptly filling any gaps, can prevent drafts and leaks.

How to Check Aluminum Alloy Window Sealing Performance

Checking the sealing strips is a crucial step to ensure the airtightness of aluminum alloy windows. The sealing strips should be flat, smooth, and straight, with neat and tight joints. Users can visually inspect to ensure that the sealing strips are not damaged or displaced. Pay attention to the quality of the gap filler between the window frame and the structure, avoiding cracks or damages. Touch the window edges with your hand to feel for drafts, especially on windy days. The flatness of the profiles affects the tightness between the window sashes and frames. Users can visually inspect and use a level to check the flatness of the profiles, ensuring they are straight.

How to Maintain the Sealing Performance of Aluminum Alloy Windows

Sealing strips are key components for maintaining the sealing performance of windows. Regularly check their condition, and promptly replace them if they are aged, shrunken, or damaged, to ensure effective sealing. It is recommended to perform a thorough inspection annually, especially during seasonal changes. Regularly clean aluminum alloy windows using a soft cloth or sponge and a neutral cleaner, avoiding strong acidic or alkaline cleaners to prevent material corrosion. Keeping the windows clean can prevent dust and debris from affecting the sealing strips’ function. Ensure tight connections between the window frame and the wall, and promptly fill any gaps to prevent drafts or water leaks. Pay special attention to newly installed windows, ensuring all connections are seamless. The sliding performance of windows also affects their sealing effectiveness. Regularly clean the rollers and tracks, using an appropriate amount of lubricant to ensure smooth opening and closing. The smoothness of sliding parts not only affects the user experience but also the sealing performance.

Casement-window-Sealant-strip

ConclusionSealing issues with aluminum alloy windows are usually caused by poor design, material selection, or installation processes. Regular inspection and maintenance can effectively maintain the sealing performance of your windows, extend their lifespan, and enhance energy efficiency. Want to learn more about maintaining aluminum alloy windows? Visit our blog or contact our expert team for professional advice and services.

  • Action Steps:
    1. Regularly check the sealing strips of your aluminum alloy windows.
    2. Use high-quality sealing materials and accessories.
    3. Contact a professional team for installation and maintenance.

 

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