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Old 12-21-2012, 08:03 PM   #1
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Removing old paint spots from Sandstone


I have old paint spots on the sandstone slabs that support my front verandah posts (see photos below)

I have tried to scrub. No success.
I have tried high pressure water blaster. Still no success.
I can't use acid so I'm at a loss as to what I can do to get rid of them.

Any suggestions? Please???
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Removing old paint spots from Sandstone-dscf1056.jpg   Removing old paint spots from Sandstone-dscf1055.jpg  

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Old 12-21-2012, 08:07 PM   #2
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Removing old paint spots from Sandstone


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Last edited by Wandererone; 12-21-2012 at 08:09 PM.
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Old 12-21-2012, 09:50 PM   #3
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Removing old paint spots from Sandstone


Unfortunately that sandstone is so soft that the stains go really deep,i doubt you'll find anything that will remove them,but you might try a course abrasive.


As an after thought have you tried bleach??
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Old 12-22-2012, 07:23 AM   #4
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Removing old paint spots from Sandstone


just had to remove paint from brick hearth due to sloppy repainting of the mantle & used a needle scaler,,, IF they're oil paint stains, try a poultice of fuller's earth ( diatomaceous earth ) & xylene/tolulene/naptha ( choice ),,, apply & let sit covered so the sun won't dry it prematurely,,, IF you scrub w/liquid, it'll just dilute stains and drive 'em into the stone deeper

of coarse your mileage may very compared to birdman's
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Old 12-23-2012, 05:16 AM   #5
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Removing old paint spots from Sandstone


I've actually just hit it twice more with the high prssure cleaner and it's pretty much gotten most of it off.
Well at least enough that it doesn't stand out so much anymore.
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Old 12-23-2012, 05:50 AM   #6
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Removing old paint spots from Sandstone


glad we could be of help forgot to mention nothing is uv-resistant so, if you could live w/it, fade would happen naturally,,, another feature is that you don't see it anymore - only visitors do - go back to bed - ooops forgot you were in oz
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Old 12-26-2012, 01:55 AM   #7
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Removing old paint spots from Sandstone


Quote:
Originally Posted by itsreallyconc View Post
go back to bed - ooops forgot you were in oz
Best place to be at this time of year
Cheers
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Old 12-26-2012, 04:11 AM   #8
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Removing old paint spots from Sandstone


I wouldn't be able to sleep until all traces of paint was gone so I'd get up in the middle of the night and try a light dusting feathered out with my sand blaster.
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Old 12-28-2012, 04:22 PM   #9
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Removing old paint spots from Sandstone


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Originally Posted by Fairview View Post
I wouldn't be able to sleep until all traces of paint was gone so I'd get up in the middle of the night and try a light dusting feathered out with my sand blaster.
Sleepless over a couple of paint spots Fairview???
I'd be a bit of a zombie then as they have been there for quite a while
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Old 01-04-2013, 10:25 PM   #10
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Removing old paint spots from Sandstone


I don't know what kind of paint it is, but I have used brake fluid. Apply with a brush to cover the paint, give 20 minutes and it will start to lift. We used to do this on old signs to strip them and repaint them. You are just applying a film over the paint. then come back with detergent joy to remove brake cleaner and power wash. You do have to be careful with stone, you dont want to scar it or removed the time developed "stone laquer" as i haveheard some call it.

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