Cleaning and Stain Removal - stubborn stain in concrete

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brian5
06-07-05, 07:06 PM
Two weeks ago we spilled a tray of hot wings and sauce on our concrete patio. Now, after hosing and even power washing, the stain remains. The patio is concrete with a pebble finish. The stained area just looks like it is wet, when it clearly is not. Any suggestions for cleaners we could try?

Thanks,
Brian

Docduck
06-08-05, 02:54 AM
I ran accross a similar situation a month back. Sounds like to me its mostly a grease spot that is in the concrete. Concrete is porous. So, that is why its a pain to get anything out of it. I would go with a quality degreaser. Some citris based neutral cleaners will do the trick. Giving the product a good dwell time is the key 10-15 mins. Then rinse it with very hot water. Repeated applications may be needed. Agitation right after application with a deck brush will help.
twelvepole
06-08-05, 07:03 PM
If Doccduck's degreaser products don't work, try some solvent cleaners. Concrete tends to be porous and absorbent. Give products time to work and back up with power wash.

heartlandlabs
06-10-05, 03:29 PM
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