How to Clean Windows with a Pressure Washer
Did you know, if used correctly, pressure washers are safe to use on windows? Using a pressure washer to clean windows (frame and glass) can rejuvenate the appearance of your home, giving your windows a sparkling clean finish. It also means you don't need to pay a window cleaner and you can clean at your own accord. However, it's essential to do it correctly to avoid damage. Here’s a comprehensive guide to help you pressure wash your windows safely and effectively.
1. Gather Your Cleaning Equipment
Before starting, make sure you have all the necessary tools and materials:
- Power washer with a suitable gentle nozzle
- Extension pole (if cleaning multi story houses)
- Window cleaning solution or a mild detergent
- Soft brush accessory for pressure washer
- Safety goggles and gloves
- Ladder (if required)
2. Prepare the Area
Clear the area around your windows of any obstacles, such as outdoor furniture, potted plants, or decorative items. Close all windows tightly to prevent water from seeping inside your home. If possible, cover outdoor electrical outlets and fixtures near the windows to avoid any water damage.
3. Use a Pressure Washer Brush
In order to ensure no damage is done to your windows, we recommend to use a pressure washer brush on the end of your lance or extension pole. This will also help you scrub off ingrained dirt easily.
4. Choose the Right Nozzle and Pressure Setting
Selecting the appropriate nozzle and pressure setting is crucial. For windows, use a gentle nozzle to reduce the risk of damage. Start with the lowest pressure setting, and adjust the pressure if necessary. Always test the pressure on a small area first.
5. Apply Detergent with your pressure washer
Fill the pressure washer’s detergent tank with a window cleaning solution such as a mild detergent. Use the foam sprayer (included with all Nilfisk machines) or the super foam sprayer to easily apply the cleaning solution. Alternatively, you can apply the solution manually with a spray bottle. Let the solution sit for a few minutes to loosen dirt and grime, but don’t let it fully dry on the glass.
6. Pressure Wash Windows
Begin to power wash one window at a time from a safe distance, about a metre away. Hold the pressure washer lance at a 45-degree angle and spray in a sweeping motion, start at the top of the window and work your way down. This technique helps prevent streaks and ensures that dirt and detergent are rinsed away effectively.
7. Cleaning Multi Story Windows with a Pressure Washer
If you are cleaning a house with a second-story, start with the windows at the top and work your way down. This avoids dirt dripping onto the lower windows after being cleaned. If you have one, use the extension wand to make it easier to reach high windows.
8. Clean Window Frames and Shutters
Don’t forget to clean the window frames and shutters. You can use the same pressure washer settings, but ensure to start low and increase the pressure if needed.
9. Spray Thoroughly
After washing the windows, ensure all detergent is rinsed thoroughly with the high pressure washer. Again, start from the top and work your way down to ensure all areas are covered.
10. Dry and Inspect
Once rinsed, use a soft brush or microfiber cloth to dry the windows and remove any remaining water spots. Inspect the windows for any missed spots or streaks and touch up as necessary.
Safety Tips
- Wear protective gear: Safety goggles and gloves protect you from debris and detergent splashes.
- Use a stable ladder: If you need to reach high windows, ensure your ladder is stable and positioned on a level surface.
- Be cautious with pressure: Excessive pressure can damage window seals, glass, and frames. Always start with the lowest effective pressure setting.
- Check weather conditions: Avoid pressure washing on windy days to prevent water and detergent from being blown into unwanted areas.
- Single pane glass: Be extra careful with single pane glass - start even further away (2 metres).
- Safety glass: Never clean safety glass with a pressure washer.
Pressure washing your windows can be a highly effective way to achieve a spotless, gleaming finish. By following these steps and taking necessary precautions, you can enjoy crystal-clear windows that enhance the overall look of your home. Remember to be patient, take your time, and prioritize safety throughout the process.
