Q: Any idea what we should use to remove birch tree leaf stains from concrete? We’ve tried Simple Green and CLR. I’ve also seen suggestions to use bleach and water (in a 1 to 16 ratio) with a bit of ...
Q. I have a concrete patio. How do can I remove tar from the surface? A. Unfortunately, tar tends to penetrate the porous concrete surface, and it is very difficult to remove. However, the Portland ...
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