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ToggleLast Updated on April 14, 2026
Jalousie windows are easy to recognize. They have multiple horizontal glass slats that open and close for ventilation.
They look great when clean, but they are one of the harder window types to maintain. Dirt builds up between the slats, and quick cleaning usually misses key areas.

Why Jalousie Windows Are Harder to Clean
The design is the main reason.
Each window has several glass slats with small gaps between them. That creates more surface area and more places for dirt to collect.
Common issues include:
- Dust trapped between slats
- Water spots forming on multiple surfaces
- Dirt buildup along hinges and edges
- Reduced airflow when debris collects
If not cleaned properly, the window starts to look dull even after a wipe-down.
Tools and Materials To Clean Jalousie Windows
To effectively clean jalousie windows, you’ll need specific tools that can handle the unique structure of these windows:
- Cleaning Solutions: A mild detergent or a vinegar-water solution for cutting through grime without damaging the glass.
- Soft Brushes and Microfiber Cloths: To remove dirt from the slats without scratching the glass.
- Squeegee: For wiping down each slat to prevent water spots.
- Extension Pole: Essential for reaching upper windows safely from inside.
- Safety Gear: Harness and helmet if external access is required.
Step-by-Step Cleaning Jalousie Windows
- Safety Precautions: Ensure that all safety equipment is utilized and that conditions are safe for external window cleaning.
- Initial Dusting: Use a soft brush to gently remove any loose dust and debris from the slats.
- Applying Cleaning Solution: Dip the brush in the cleaning solution and carefully scrub each slat.
- Squeegee Off Water: Clear water from each slat with a squeegee to prevent streaking.
- Dry with Microfiber Cloths: Follow up with microfiber cloths to dry any remaining moisture, ensuring a streak-free finish.
Maintenance Tips
- Regular Cleaning: Regular maintenance is key to keeping jalousie windows in optimal condition. Clean these windows at least once every three months.
- Check Mechanisms: Periodically check the pivoting mechanisms for rust or corrosion and apply a silicone spray if needed to keep the moving parts functioning smoothly.
- Inspect for Damage: Look for any signs of wear or damage to the slats or frame, which could impact functionality.
“With jalousie windows, the issue is not cleaning the glass. It’s cleaning everything between the glass.”
— Abdallah Flores, Director of Field Operations
https://www.linkedin.com/in/abdaflore/
Jalousie windows need more attention than standard glass panels. If you clean only the surface, dirt between the slats will still affect how they look and function.
A proper clean focuses on every panel, every edge, and the moving parts.
Need Help Cleaning Jalousie Windows in Toronto?
For high-rise buildings in Toronto, maintaining jalousie windows can be a daunting task. Northern Touch offers specialized high-rise window cleaning services in Toronto that include jalousie windows. Our trained professionals use the latest techniques and safety measures to ensure your windows are impeccably maintained.
Ensure your high-rise building’s jalousie windows are clean and functional. Contact Northern Touch today for professional cleaning services that stand above the rest!
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