Parts of my garage concrete floor is pitting and looks like a lunar
landscape- very rough. I would like to put layer of cement over the
top, but is that the best method and how should I prepare it and then
make it smooth?
OP, do you live in salt country? Symptoms sound like typical salt
spalling. Unless floor is badly cracked and heaved, substrate is
probably fine. No, another layer of concrete won't stick. A commercial
epoxy patch is probably only fix, or just learn to live with it like
most people do. My garage has stripes like that under the tires and drip
lines, but is still solid.
Avoid Thompsons products like the plague. Their water seal has been
describes as a hydrocarbon solution of simple wax. Check Consumer
Reports and archives in this NG for many negative comments.
For a good floor repair, check out industrial coatings that factories
use, such as Sonneborn, others. Graingers, McMaster-Carr may be
sources for those. Good luck.
I have had great success with thompsons waterseal.
I had a detoriating porch slab that got patched every year.
one year i doused the repaired slab with thompsons, that ENDED the
detoriation. water couldnt get into the slab it beaded up, like a
newly waxed car,
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