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Porcelain Sign Cleaning Nightmare..HELP!!!
#140112 Fri May 08 2009 04:39 PM
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I recently was able to track down a store that carried Bar Keeper's Friend Porcelain cleaner. I used it with amazing success on a supertest tin sign and an an old Bell Telephone porcelain sign. So, earlier this evening I decided to try it on one of my 8 ft x 2 ft Goodyear tire signs. They were already in nice condition but thought I would clean them with bar keeper's friend and then hit them with Mequires wax. The cleaning went well and I let them dry. They looked excellent and still had their day one shine. I then applied the wax. After applying the wax and attempting to shine it up, the sign has become a very very dull royal blue color, with no lustre at all left on the sign. I tried washing them again with BKF to see if the wax was the issue but I cannot get it back to the original lustre the sign had before began this cleaning.

Has anyone run into this issue before..if so what did you do to remedy the situation. Only thing I can think of is to apply a rubbing comound, experts opinions very welcomed!


Colin Latreille
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Re: Porcelain Sign Cleaning Nightmare..HELP!!!
1970mach #140114 Fri May 08 2009 05:40 PM
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IF THIS WAXY FILM YOU SPEAK OF IS ON A PORCELAIN SIGN, THEN JUST USE LACQUER THINNER. THAT SHOULD BREAK DOWN AND REMOVE THE WAX LEFT BEHIND. USE IT LIBERALLY AND LET IT WORK. USE AN OLD COTTON SHEET OR T-SHIRT.


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Re: Porcelain Sign Cleaning Nightmare..HELP!!!
THE AMERICAN GARAGE #140116 Fri May 08 2009 05:58 PM
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I will try that. Since I wrote this, I tried some spray on paint stripper on a small section but that didn't make any noticeable difference. I will try some thinner this weekend....Thanks Doc.


Colin Latreille
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Re: Porcelain Sign Cleaning Nightmare..HELP!!!
1970mach #140135 Fri May 08 2009 08:36 PM
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Maybe a buffer would work????

Re: Porcelain Sign Cleaning Nightmare..HELP!!!
Rick Berrong #140139 Fri May 08 2009 09:29 PM
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What kind of wax was it?

If the lacquer thinner does not work, you might try some wax stripper (from an auto parts store) that's normally used to strip the wax off of a car before rewaxing.

Wes

Re: Porcelain Sign Cleaning Nightmare..HELP!!!
thermactor #140147 Sat May 09 2009 03:18 AM
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tried a buffer..didn't work. I will get some wax stripper. However I would have thought the paint stripper would have done what wax stripper would do. But I will try any suggestions. Thanks for suggestions


Colin Latreille
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Re: Porcelain Sign Cleaning Nightmare..HELP!!!
1970mach #140157 Sat May 09 2009 05:14 AM
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I have heard that some of the blue porcelain does not hold up to good to the elements or to certain cleaners. When I get a new sign, I hit it with a coat of wax to clean/ polish it up and let it go at that. Some people use all kinds of different cleaners or acid to get off stains. A lot of signs will clean up better with these cleaners but I have heard that sometimes certain blue porcelain will not stand up to the chemicals. Hope yours does.


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Re: Porcelain Sign Cleaning Nightmare..HELP!!!
Wes Maxwell #140166 Sat May 09 2009 06:02 AM
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Colin, I'm very interested to hear how this works out for you as I will be cleaning a rough Goodyear sign and the last thing it needs is to be helped along. Good luck.


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Re: Porcelain Sign Cleaning Nightmare..HELP!!!
lordparaffin #140176 Sat May 09 2009 07:38 AM
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Use very fine white polishing compound, not the reddish rubbing compound. Apply the compound, then hit it with your buffer.
Apply paste car wax. Let it dry. Hit it with your buffer and your sign should look good as new.


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Re: Porcelain Sign Cleaning Nightmare..HELP!!!
Lastgas15 #140185 Sat May 09 2009 08:49 AM
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Dish soap will also remove the wax from the sign. It is also the cheapest way to do it. It also works on removing the wax from your cars or trucks smile


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Re: Porcelain Sign Cleaning Nightmare..HELP!!!
gasoildude #140315 Sun May 10 2009 04:19 PM
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Thanks for all the suggestions but I think Wes, (unfortunately) may be right. I have tried all the suggestions and nothing restores it to the original lustre. I an sure though that if I was to varnish the sign it would make it look much better than it's current state. Is this something that can be done to Porcelain signs? has anyone tried it ? how does it hold up over time?


Colin Latreille
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Re: Porcelain Sign Cleaning Nightmare..HELP!!!
1970mach #140323 Sun May 10 2009 04:50 PM
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I've seen very blonde shellac (orange shellac will tinge the original colors) used but it needs to applied with a sponge like applicator and I would suggest a thin cut. How it's looked upon or how it's longevity is rated, I couldn't answer either one.

Sorry to hear things didn't work out so well.

Last edited by lordparaffin; Sun May 10 2009 04:52 PM.

........Dave
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Re: Porcelain Sign Cleaning Nightmare..HELP!!!
lordparaffin #140328 Sun May 10 2009 06:29 PM
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When you applied the Barkeep friend what did you use to apply it with? Sounds like the sign got scuffed by a fine scuff pad or steel wool? If it did that would explain the dull finish. Just a thought.


ROD [Mich.]
Re: Porcelain Sign Cleaning Nightmare..HELP!!!
r49th #140351 Mon May 11 2009 01:45 AM
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I used the finest steel wool you can get. I had read many posts stating you cannot harm a porcelain finish with this. as I stated I cleaned another sign - a Bell telephone blue flange sign with steel wool and a painted tin supertest sign with BKF and steel wool and it did not scuff the finish of the Bell sign, nor did it scratch the painted tin. I think you are right the steel wool may have contributed to this, but what is different about this porcelain that caused this?


Colin Latreille
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Re: Porcelain Sign Cleaning Nightmare..HELP!!!
1970mach #140352 Mon May 11 2009 02:21 AM
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I would warn anyone against using Barkeepers Friend on porcelain signs. I believe it contains an acid in its ingredients and it says on the label that it may harm old porcelain.
Good luck with your sign Colin, I hope you can bring it back.


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