The painted floor of our unfinished basement had a large damaged area that
I chiseled out and then filled with a Quikrete patching product. However,
it came out like very coarse sandpaper in surface texture, while the rest
of our basement is smooth and easy on the soles of our feet.
What did I do wrong? Is paint the only difference between rough and smooth,
or should I have used a particular material? What can we do now?
the concrete with a large orbital sander equipped with ever finer
diamond grit disks, so that the final concrete surface is smooth and
shiny. You might have to use a similar procedure to get your patch to shine.
Just what I didn't want to hear. I'll try basement floor paint, which is
quite thick, and see if it alleviates the problem. It's not as if the rest
of the floor is in perfect shape after a hundred or so years.
Concrete is made smooth as it is installed with the use of a
Keep the whole world singing . . . .
DanG (remove the sevens)
It could be the mixing you did, but most likely it was not following
through on the several steps involved to get the final concrete surface.
You need to trowel when the concrete is "almost-but-not-quite" dry to
get the best surface.
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