My garage floor looks ugly because of spotty efflorescence, recurring
especially in winter. It disappears when I power-wash it but after a few
weeks it recurs. I have also washed it with mild acid which, too, makes is
go away for a while.
My home is 30 years old. There are no cracks in the floor. The white stuff
just does not look right.
Can I paint over this stuff with epoxy, or cover it up somehow?
Anyone has the same problem and solved it?
On Wednesday, April 29, 2015 at 6:48:16 PM UTC-4, philo wrote:
In addition googling "painting over efflorescence" will produce
a lot of info. The efflorescence is minerals leaching through
the concrete via moisture from below. I've never tried to paint
anything that had it, but I would suspect that it's likely the
paint will fail as the process continues under the new paint.
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