100cm Rubber Window Sealing Strip | Rain Weatherstrip & Draft Guard

Keep Rain & Wind Out with This 135° Angled Window Sealing Strip

Say goodbye to wet windowsills and drafty gaps. This 100cm rubber window sealing strip features a clever 135° angled design that directs rainwater away from window gaps, keeping your sills dry and mold-free. Whether you're protecting a sliding window, a balcony door, or a standard window frame, this weatherstrip delivers strong adhesion and a lasting seal against wind, rain, and moisture.

Key Features

• 135° Angled Water-Blocking Design: Guides rainwater away from window gaps, preventing seepage and water accumulation on your sill.
• Dry-Wet Separation: Keeps the window gap area dry, significantly reducing the chance of mold or mildew build-up.
• Strong Self-Adhesive Backing: Bonds firmly to most window and sill surfaces — won't peel or shift over time.
• Windproof Insulation: Reduces drafts and air infiltration for a more comfortable, energy-efficient home interior.
• Durable Rubber Material: Flexible yet resilient rubber stands up to outdoor conditions, UV exposure, and temperature changes.
• Universal Fit: 1-meter (100cm) length is easy to trim and adapt to sliding windows, casement windows, or balcony doors.
• CE Certified — meets relevant European safety and quality standards.

Specifications

• Material: Rubber
• Length: 1m (100cm)
• Type: Sealing Strip / Weatherstrip
• Certification: CE
• Country of Origin: Made in China

Installation Tips

1. Clean and dry the window sill or frame surface thoroughly before application.
2. Measure and trim the strip to your required length using scissors or a utility knife.
3. Peel the adhesive backing and press firmly along the window gap or sill edge.
4. Allow a few hours for the adhesive to cure fully before exposing to moisture.

Please Note

• Product photos may not reflect actual size — please refer to the specification dimensions above.
• Minor measurement differences may occur due to manual measuring.
• Actual color may vary slightly from screen to screen due to monitor settings.

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Helpful Resources

For more information on home weatherization and energy efficiency, visit the U.S. Department of Energy – Air Sealing Your Home.

Frequently Asked Questions

Q: What surfaces does this window sealing strip adhere to?

A: This rubber sealing strip features a strong self-adhesive backing that bonds well to most smooth, clean surfaces including PVC window frames, aluminum sills, wood, and tile. For best results, ensure the surface is clean, dry, and free of dust or grease before application.

Q: Can I cut this weatherstrip to a shorter length?

A: Yes! The 100cm rubber strip can be easily trimmed to your desired length using standard scissors or a utility knife, making it suitable for windows, balcony doors, and frame gaps of all sizes.

Q: Will this strip hold up outdoors or in humid balcony conditions?

A: Absolutely. The strip is made from durable rubber specifically designed to withstand outdoor conditions, including humidity, rain, and temperature fluctuations. Its 135° angled design actively channels water away, helping it stay securely in place even in wet environments.

Q: How does the 135° angle help with water blocking?

A: The angled profile acts as a built-in deflector — when rainwater hits the strip, the angle redirects it away from the window gap and toward drainage paths, preventing water from seeping inside and keeping your windowsill dry.