I poured my hearth slab today and ended up with a real rough texture. I used Sakrete brand baged concrete and once I was done, the surface texture felt like sandpaper. My previous concrete jobs (very small) left me with a creamy smooth surface after it was finished, but I could not get the same results with this slab. I had bleed water on the surface like I expected but when this water was reabsored into the concrete, I could not achieve a smooth texture. It's as if the sand in the mix is all at the top. I'm not worried about the texture but am concerned with the strength. Has anyone experienced this? I am thinking about using a patching compound to smooth it out. Any thoughts?
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Possible hearth slab issues