Cleaning Aluminum Siding?

July 11, 2013

Row of holiday trailers in a park.How you can clean aluminum siding that is over 50 years old? It's in good condition, but dirty.

By Olga



November 5, 20170 found this helpful

The key to painting aluminum siding is preparation and priming. All of the chalkiness must be washed and scrubbed off, and any flaking paint removed. In a nutshell, you need to start with a clean palette. Once everything is clean and dry, you're ready to apply your primer.

| Today's Homeowner

Have a professional painter who has done this before give you references on homes they have done & check them and give you an estimate. We just had a painter do our 50 year house siding
and with proper preparation painted our house and it looks great, no brush marks on the siding. It looks like it's new siding. He did two coats.

Syd's 2 cents

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November 5, 20170 found this helpful

Bleach, vinegar and borax are all good cleaning agents

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3 More Questions

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.

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


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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.

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November 5, 20101 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.

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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 Hall from Kellogg, ID


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!

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September 25, 20100 found this helpful

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

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May 24, 2016

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


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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.

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