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Cleaning Aluminum Siding

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Aluminum siding is a very durable and low maintenance siding solution. To keep your siding looking great, it does need periodic cleaning. This is a guide about cleaning aluminum siding.


Ask a QuestionHere are the questions asked by community members. Read on to see the answers provided by the ThriftyFun community or ask a new question.

By 0 found this helpful
November 5, 2010

Our front porch posts and window trim were covered with white aluminum siding about 25 years ago and it has gradually turned gray. Is there a way to clean it back to white?

By Brooke from Baltimore, MD


Answer Was this helpful? Yes
November 5, 20100 found this helpful

I have an aluminum white metal shed and tree sap was covering the top front and I washed it down with bleach water and liquid cleaner. It came clean and still looks great after a couple of years.

Reply Was this helpful? Yes
November 5, 20100 found this helpful

A contractor who does professional power washing can get the siding clean, and even remove mildew. If you want to try it yourself, get a professional strength cleaner (which comes in environmentally safe formulas that do not harm plants, grass or bushes), and mix it with regular bleach and water. The cleaner will probably give the right proportions for the mix. You can use elbow grease and a brush, or rent a power washer for the job.

Reply Was this helpful? Yes

By 0 found this helpful
September 24, 2010

I have a mobile home that has aluminum siding with rust from many years of moisture running down the sides. What is the best way to remove it without causing problems with the paint underneath?

By Steve from Kellogg, ID

Answer Was this helpful? Yes
September 24, 20100 found this helpful

A mobile home that I bought had a horrible rust stain on one part of the skirting; I simply got some of Zessler's I think it is called Bulleyes 1 2 3 or something like that; it is a primer; I put it on the entire skirting and it covered it completely and looked great! I did later paint it with aluminum paint from Lowe's that was recommended. That solved the problem!


Since mine was white, the primer was white, and then the new paint was also white.

Is there any way you can put a drain in to divert the water from coming down in the same spot all the time? and if so, would THAT cover the rust? Most "rust" is not going to go away, and if it is simply discoloration from water going down it, try scrubbing it with a simple solution of sudsy water, with a non abrasive scrubber. If the rust is truly rust, the paint should be gone in that area; and then that is when you will need to primer the area; and then paint over it. Good luck! You will find that Valspar ultra premium paint from Lowe's is made for aluminum; it is thick paint; different from any I have used before. It does cover in one coating, and a gallon goes a very long ways!

Reply Was this helpful? Yes

September 25, 20100 found this helpful

Aluminum does not rust. Metal must be something like steel or iron. Perhaps WD-40 will work.

Reply Was this helpful? Yes

By 0 found this helpful
May 24, 2016

How do I get paint off the aluminum siding of my mobile home?

Answer Was this helpful? Yes
July 25, 20170 found this helpful

You can either use a putty knife or a razor blade to scrape the paint off the siding. Furthermore, you can check at your local hardware store if they sell paint remover. I am not sure how it would work on siding. Before using the paint remover, check with the hardware store to see if it is safe for your needs.

Reply Was this helpful? Yes

July 11, 20130 found this helpful

How you can clean aluminum siding that is over 50 years old? It's in good condition, but dirty.

By Olga

Answer Was this helpful? Yes
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