Many families face this problem: even with doors and windows tightly closed, cold drafts still seep in from the windows in winter. Most people assume it’s a problem with the window glass or frame, but in fact, 90% of window drafts are caused by aging and failing weatherstripping.
Window weatherstripping acts as a “sealing buffer layer” between the window frame and the window sash. New windows have soft, full, and tightly fitting weatherstripping that completely fills gaps, locking in indoor temperature and blocking outside airflow. However, after years of seasonal changes, sun exposure, oxidation, and wear from opening and closing, ordinary, low-quality weatherstripping will gradually harden, shrink, collapse, crack, and lose its resilience.
If the sealing strip is not tight, tiny air leaks will appear in the gaps of the window frame, leading to a series of home problems:
- Cold air seeps in during winter, resulting in poor indoor insulation and a chilly feeling.
- Condensation and slight dampness are likely to occur around the windows when there are large temperature differences between day and night.
- Air leaks through the gaps, bringing in outdoor dust and insects, affecting home cleanliness.
Our company’s door and window sealing strips are made of highly elastic, weather-resistant virgin material. They are fully foamed, have excellent resilience, and are not easily collapsed under long-term pressure. Suitable for various types of doors and windows, including thermally broken aluminum, PVC, and aluminum alloy, they offer a high degree of fit and strong sealing, precisely filling tiny gaps in the window frame and solving the problem of air leakage at its source. They are resistant to high and low temperatures, anti-aging, and do not easily harden or deform. They provide long-lasting heat retention throughout the year, effectively reducing energy consumption and creating a more constant and comfortable home environment.