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terry_bochaton

New flagstone install - Small stains I'm having a hard time cleaning

Terry B
2 years ago
last modified: 2 years ago

I just had a new large flagstone patio installed and in some areas there are what look like oil stains. See pics. I tried cleaning the stains off with StoneTech cleaner and a brush with no luck.

I suspect that the chemicals the contracter used to clean up the mortar caused this. Or perhaps when they used a blower it was leaking gas? Any ideas? What do you all think my options are:-





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