How to clean your double glazing

Cleaning your double glazing not only enhances the appearance of your windows but also ensures they perform optimally. Follow these simple steps to keep your double glazing sparkling and functional.

1. Gather Your Supplies

Before you start, gather the necessary cleaning supplies. You’ll need a bucket, mild detergent or glass cleaner, a sponge or soft cloth, and a squeegee. Avoid abrasive materials that could scratch the glass or damage the frames.

2. Dust Off Debris

Begin by dusting off any loose debris or cobwebs from the window frames and sills. Use a dry, soft brush or a damp cloth to gently wipe away dirt. This prevents scratching the glass during the cleaning process.

3. Prepare Your Cleaning Solution

Mix a small amount of mild detergent or glass cleaner with warm water in your bucket. Ensure it’s a solution that won’t leave streaks on the glass. If using a commercial glass cleaner, follow the instructions on the label.

4. Clean the Glass

Dip your sponge or soft cloth into the cleaning solution, wring out excess liquid, and gently wipe down the glass surface. Start from the top and work your way down to avoid dripping onto areas you’ve already cleaned. For stubborn stains, let the cleaning solution sit for a few minutes before wiping.

5. Squeegee for a Streak-Free Finish

Once you’ve cleaned the glass, use a squeegee to remove the cleaning solution. Start at the top and pull the squeegee down in a straight, overlapping motion. Wipe the squeegee blade with a clean, dry cloth between each pass to prevent streaks.

6. Pay Attention to Frames and Seals

Don’t forget to clean the window frames and seals. Use a damp cloth or sponge to wipe away dirt and grime. If there are mould or mildew spots, a solution of vinegar and water can be effective. Be gentle to preserve the integrity of the seals.

7. Regular Maintenance

To keep your double glazing looking its best, aim to clean it at least twice a year. However, if you live in an area with high pollution or near the sea, more frequent cleaning may be necessary.


With a little regular care, cleaning your double glazing can be a breeze. By following these steps, you’ll not only maintain the aesthetic appeal of your windows but also ensure they continue to provide optimal insulation and clarity for years to come. Happy cleaning!

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