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Removing Paint from Aluminium Window Profiles

Posted by on January 10, 2024 in How To:

Over time, paint on aluminium window profiles can become worn or chipped, impacting the aesthetics of your windows. If you’re looking to refresh the appearance of your aluminium windows by removing old paint, this guide provides step-by-step instructions on how to do so effectively. With the right tools and techniques, you can restore the sleek look of your aluminium window frames.

Materials You’ll Need:

  1. Paint Stripper:

    • Choose a paint stripper suitable for aluminium surfaces. Opt for a gel-based formula for better adherence to vertical surfaces.
  2. Protective Gear:

    • Safety glasses
    • Gloves
    • Respirator mask (for chemical protection)
  3. Scraper or Putty Knife:

    • A metal scraper or putty knife will help in removing the softened paint.
  4. Steel Wool or Wire Brush:

    • Use fine-grade steel wool or a wire brush to gently scrub away any remaining paint residue.
  5. Clean Cloth or Sponge:

    • A clean cloth or sponge will be useful for wiping down the aluminium surface.
  6. Water and Soap:

    • A mixture of water and mild soap will help in cleaning the aluminium after paint removal.

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Step-by-Step Guide:

  1. Safety First:

    • Put on safety glasses, gloves, and a respirator mask to protect yourself from potential chemical exposure.
  2. Apply Paint Stripper:

    • Following the manufacturer’s instructions, apply the paint stripper to the painted areas of the aluminium window profiles. Ensure an even and generous application.
  3. Allow Dwell Time:

    • Let the paint stripper sit on the surface for the recommended dwell time. This typically ranges from 15 minutes to an hour, depending on the product.
  4. Scrape Off Softened Paint:

    • Once the paint has softened, use a metal scraper or putty knife to gently scrape away the loosened paint. Work in the direction of the grain of the aluminium to avoid scratching.
  5. Repeat if Necessary:

    • For stubborn areas, you may need to repeat the paint stripping process. Apply additional paint stripper as needed and allow it to sit.
  6. Scrub with Steel Wool or Wire Brush:

    • After removing the bulk of the paint, use fine-grade steel wool or a wire brush to scrub away any remaining paint residue. Be gentle to avoid scratching the aluminium.
  7. Clean with Water and Soap:

    • Wipe down the aluminium surface with a clean cloth or sponge dampened with a mixture of water and mild soap. This will help remove any residual paint stripper and leave the aluminium clean.
  8. Inspect and Touch Up:

    • Inspect the window profiles for any remaining traces of paint. If necessary, touch up the areas with a small amount of paint stripper and repeat the process.
  9. Rinse Thoroughly:

    • Rinse the aluminium profiles thoroughly with clean water to remove any lingering residue. Ensure the profiles are completely dry before applying any new finishes or paint.


Removing paint from aluminium window profiles requires patience and careful application of the right materials. By following this step-by-step guide, you can effectively restore the appearance of your aluminium windows, providing a refreshed and polished look to your living space.

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