How to clean an aluminium window frame

Updated November 21, 2016

There is nothing better than having clean window panes with the beautiful sun shining through to brighten your day. But then you notice the aluminium frames and see just how grey and weathered they have become. It can make the sunshine turn a little grey. Once you clean the aluminium window frames up, your entire view will brighten once again. The landscape will be framed in ultra-clean frames.

Clean the aluminium window frames by washing them with a mild detergent and water. A mixture of 118 ml (1/2 cup) sudsy ammonia to 3.8 litres (1 gallon) of water works well. You can use already mixed solvent cleaners which can be purchased at the supermarket to remove grease spots on aluminium frames. Never use abrasives as they can scratch the aluminium surface.

Rinse off the solution thoroughly. Remove all traces of cleaner by rinsing the frame well with water.

Dry the aluminium window frames thoroughly by using soft cloths or rags. Rub gently, but firmly, in circular motions to remove any remaining dust as well as any soap residue.

Paint the window frames if you wish to do so. Badly weathered window frames that are beyond hope of cleaning can be brought back to life by cleaning with soap and water. After drying they can be painted with exterior metal paint in the colour of your choice. You will have a totally new look with the paint.


You can put a coat of lacquer on aluminium window frames to protect them from weathering.


Do not clean aluminium that is too hot to the touch.

Things You'll Need

  • Water
  • Sudsy ammonia
  • Bucket
  • Cloths
  • Plastic gloves
  • Clear lacquer
  • Paint brush
  • Exterior metal paint
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