How do I clean galvanized metal burglar bars?


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Old 12-01-14, 01:01 AM
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How do I clean galvanized metal burglar bars?

Hello,

I have the following burglar bars on my windows at my house:

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Up close they look like this:

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The above images show the results of trying to clean them with a dish washing liquid and a soft cloth. As can be seen, it didn't really work very well.

I found this guide on eHow:

How to Clean Galvanized Steel Metal | eHow

Is this really the best way to clean galvanized metal? Using milk and baby powder? (By baby powder do they mean baby formular that you give to baby's to drink?)

If this really is the best way, can anyone recommend a metal polish?

Thanks,

Mark
 
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Old 12-01-14, 03:20 AM
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That doesn't look like galvanized to me. Could it be stainless steel or aluminum?
 
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Old 12-01-14, 05:29 AM
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Hmm?

I'm not really sure myself. Somebody told me they were galvanized iron and I just believed them.

Is there a way in which I can easily identify which metal has been used? Some sort of simple test?

Thanks
 
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Old 12-01-14, 10:13 AM
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Steel will hold a magnet but aluminum will not.
I would think either would clean up with wax and buffing.
 
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Old 12-03-14, 06:18 AM
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Magnet test

I did the magnet test this afternoon and it would not attract.

It looks like they are aluminium. However, they still have a milky coating on them. I don't know if this is because they have been treated in some way or if it is just because they haven't been cleaned in so long.

Should I just look for some general guidance on-line for cleaning aluminium?

Thanks,

From another Mark
 
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Old 12-03-14, 07:16 AM
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Baby powder is talcum powder.
 
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Old 12-03-14, 08:47 AM
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Bare aluminum like that is hard to maintain, just ask any motorcycle owner. This could be a full time job. You can't use regular metal polish but they do make special metal polish for aluminum.

Bar Keeper's Friend is also very good for cleaning aluminum. I don't know if it's available in your part of the world. It may be, it's been around since 1882.

If not maintained, these bars will start to oxidize and pitting will occur.
 
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Old 12-03-14, 08:05 PM
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More research

After conducting more research on the internet I have discovered that anodized aluminium is very hard to clean and polish. Please see here:

How to Clean Anodized Aluminum | eHow UK

From looking at the pictures that I posted earlier in this thread, do you think that my aluminium has anodized?

Bar Keeper's Friend is available in my neck of the woods.

Thanks
 
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Old 12-04-14, 03:35 AM
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I always thought anodized aluminum had color to it but I don't know if anodizing always provides color.
I'm sure whatever method you employ to clean the aluminum will require a good bit of elbow grease
 
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Old 12-04-14, 06:15 AM
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That looks like bare aluminum to me. Anodized will look like it's painted and have what looks like a lacquer clear coat. That's why anodized is hard to clean. Once that "coat" starts to pit, there's no going back.
 
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Old 12-04-14, 06:58 AM
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Thats bare aluminum, possibly polished at one time with a clear coat over that maybe.

The milky runs and oxidation are just that...oxidation.

I'd say live with it or plan on monthly/weekly maintenance.

Just a green "scrubby" would probably clean them up some, but the only real fix is to remove them, take them to a metal refinisher and have them soda blasted and re-clear coated or powder painted. Even that won't last forever.
 
 

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