Scorching Sun + Torrential Rain, One After Another! Be Sure to Save This Complete Window & Door Maintenance Guide from Eagle Building Materials
Windows and doors are the "respiratory system" of a home and its tough armor against wind, sand, rain, and snow. They are exposed year-round to scorching sun, torrential rain, and dust. Especially in summer, when high temperatures and sudden downpours alternate frequently, problems such as aging seals, warped frames, water leakage, air leakage, and stiff opening and closing can easily flare up all at once.
They say, "Thirty percent depends on quality, seventy percent on maintenance." With proper care, a high-quality window or door can last up to 20 years, and even a well-performing one can reliably serve for more than 10 years. Today, Eagle Building Materials has put together a complete, dedicated maintenance guide for windows and doors. The steps are clear and easy to follow, so even beginners can master them and help extend the life of their windows and doors—saving a considerable replacement cost.
I. Extreme Heat and Sun Exposure: Repair in Time, Say No to Aging and Deformation
Continuous high heat and sun exposure are the "invisible killers" of windows and doors.
They cause plastic-steel and aluminum alloy frames to oxidize and fade faster, turning paint yellow, dull, and lackluster; they also make sealing strips soften, crack, and deform under heat, greatly reducing their sealing performance.
✅ Clean profile surfaces
Avoid the midday heat. Use clean water with a mild, neutral cleaner to gently wipe the window frames, glass, and sealing strips. This effectively removes accumulated dust, grease, and sun-baked residue, preventing long-term buildup from corroding the paint and seals.
✅ Check the sealing strips
Carefully inspect the seals at the gaps of windows and doors. If you find them hardening, cracking, falling off, or shrinking, replace them promptly to ensure airtightness and watertightness.
II. Torrential Rain: Check for Leaks and Waterproof, Eliminate Hidden Seepage Risks
Summer thunderstorms are frequent, and heavy rain is the quickest way to expose weak spots in a window or door's waterproofing.
Many homeowners find mold on walls near windows, peeling paint, or water pooling on windowsills after rain. This is usually caused by blocked drainage holes or poorly sealed frame gaps. If not dealt with in time, water will slowly seep into the wall and corrode hardware, seriously affecting the living experience.
✅ Unblock the drainage system
After heavy rain, focus on checking the drainage holes below the window frame. Dust, fallen leaves, and silt that accumulate over time can easily block the drainage channel, preventing rainwater from draining properly or even causing it to back up indoors. Be sure to clean and unblock them promptly.
✅ Add a water stop strip (optional upgrade)
You can install an aluminum alloy water stop strip about 3 cm high on the outer side of floor-to-ceiling windows. Combined with the slope of the windowsill, it can quickly guide rainwater to the drainage groove. This is especially suitable for families in rainy areas—prevention is better than cure.
III. Hardware Maintenance: Details Determine Service Life
Whether a window or door works well depends largely on its hardware. Most problems with difficult opening or closing, or damaged parts, are not caused by the frame or glass, but by a lack of maintenance on the hardware. In summer, frequent alternation between wet and dry conditions makes hinges, sliding tracks, locks, and other hardware more prone to rust, jamming, and loosening.
✅ Clean hinges and sliding tracks
Regularly remove dust and silt from locks, hinges, and sliding tracks to prevent debris buildup from causing stiff operation and wearing down moving parts.
✅ Tighten screws and check locking points
If you find handles, screws, or locking points loose, tighten them promptly. This prevents long-term use from causing the window or door to shift and close improperly, which affects overall sealing and anti-theft performance.
Friendly Daily Reminder
Maintaining windows and doors does not take much time or effort. With regular simple cleaning, leak checks, and care, they can stay like new and steadily protect your home through all four seasons. If you encounter difficulty sliding or pushing them, do not force them. First troubleshoot the problem, or contact Eagle Building Materials' professional service team for an on-site inspection, so your home life can be safer and better.
Have you learned it? Go ahead and give your windows and doors a "SPA" according to the guide!