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Updated on March 29, 2023

Do it yourself

How to Deep Clean a Window

Deep cleaning your windows will restore their shine and transparency, just like when they were new. Proper maintenance will make your windows look amazing and extend their lifespan. Find out how to clean them in a few easy steps!

Difficulty level: Easy
Duration: 2 hours
Before You Start
The sun tends to quickly dry out cleaning products on the windows, which could leave streaks. We recommend cleaning your windows on a cloudy day.
Person removing a screen
Person cleaning a screen in a tub of soapy water

Clean Screens

  • 1.1 - Remove the screens.
  • 1.2 - Add a bit of dish soap to a large tub of warm water.
  • 1.3 - Scrub the screen and the frame using a nylon brush.
  • 1.4 - Rinse the screen under running water.
  • 1.5 - Let dry completely.
Person cleaning a window frame with a cloth
Person spraying cleaning product on a window frame
Person cleaning a window rail
A sparkly clean window frame

Deep Clean the Frame

  • 2.1 - Wipe with a dry cloth to remove most of the dirt.
  • 2.2 - Deep clean the rails:
    • Cleaner: Spray cleaner on the window frame. Let it work for 5-10 minutes.
    • DIY Solution: Put baking soda in the rails, then pour a little bit of white vinegar on top. Wait for the mixture to foam.
  • 2.3 - Clean the window frame using a damp cloth or sponge.
  • 2.4 - Cover the end of a spatula or butter knife with a damp cloth to thoroughly clean hard-to-reach corners by scraping.
  • 2.5 - Wipe with a dry cloth.

Pro Tip

If you have windows with rails, align a sponge with the rails and draw lines where the rails are. Cut the sponge along the lines using a utility knife, then use it on the rails to remove all the dirt in one go!

Person cleaning a windowpane
Person wiping a windowpane
A squeaky-clean windowpane

Make the Windowpanes Shine

  • 3.1 - Spray the cleaner directly on the windowpane.
  • 3.2 - Use the cleaning tip in the cleaning kit (or a microfibre towel) to thoroughly scrub the pane.
  • 3.3 - Use the rubber squeegee from the cleaning kit to remove excess water.
  • 3.4 - Use a dry microfibre cloth to wipe off the excess water on the squeegee.
  • 3.5 - Put the screen back in place.

Pro Tip

Don’t put too much pressure on the squeegee. Instead, make a continuous motion from left to right.


These DIY projects are provided for informational purposes only. The information contained in RONA’s DIYs is intended to provide general guidelines to simplify jobs around the house. Because tools, products, materials, techniques, building codes, and local regulations are continually changing, RONA inc. assumes no responsibility for the accuracy of the information contained herein and disclaims any liability for the omissions, errors, or outcome of any project. RONA inc. makes no representation on the feasibility of any project and the viewer bears all risks coming with the realization of the projects. It is the responsibility of the viewer to ensure compliance with all applicable laws, rules, codes, and regulations for a project. The viewer must always take proper safety precautions and exercise caution when taking on any project. If there is any doubt in regard to any element of a project, please consult a licensed professional. 

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