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Graffiti Removal From Granite

Original Post
Jplotz · · Wenatchee, WA · Joined Sep 2011 · Points: 1,065

Best method? From what I've read, there are suggestions from wire brush and blowtorch to oven cleaner and water. The graffiti is too far away for a pressure hose. Any other suggestions?

Allen Sanderson · · Oootah · Joined Jul 2007 · Points: 1,145

Elephant snot and hand pressurized sprayer : 

Brian Payst · · Carrboro,NC · Joined Jan 2014 · Points: 10
Allen Sanderson wrote:

Elephant snot and hand pressurized sprayer : 

Second vote for this. Works great. The backpack style sprayers work well. 

Mathias · · Loveland, CO · Joined Jun 2014 · Points: 308

I have had good experience with 'Taginator' on sandstone. I would try it on granite.

You can see some results here:

Clayton Knudson · · Moab, UT · Joined Oct 2011 · Points: 35

What kind of graffiti is it? if its spray paint I would third the vote for elephant snot. I would avoid any reduction techniques (i.e. wire brush) and save those as a last resort. Magic marker is actually extremely hard to remove but elephant snot can also work on this if its granite, just might take a couple applications. Make sure with the elephant snot you let it sit for a bit before washing it off. On granite, you can LIGHTLY abrade the surface with something like a nylon brush and it shouldn't damage the rock.  Often though, over abrading the surface makes it lighter than the rest of the rock leaving a ghost image of what you cleaned off. This can be just as bad as the graffiti if its somewhere obvious.

Jplotz · · Wenatchee, WA · Joined Sep 2011 · Points: 1,065

OK thanks for the pointers. I'll give it a try.  

Guideline #1: Don't be a jerk.

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