Had a spill of green paint onto my regular cement drive...not stained or
coated in any way...just slab cement. What's the best way...if any...to
remove the remaining paint "clouds" ? was able to wash off most of the
paint before it began to set...but have a cloudy residue left with various
shades of green in about 10 sq ft area..spill is two days old now.
Would a 3000 psi power washer take this off...can get/rent one from HD...bit
don't want to waste the money if all I get is wet concrete ?
any type of "cement acid wash" that can be applied first "
Any ideas are appreciated...
Muriatic acid is used to prep concrete for sealing and painting, but
eats some of the concrete. It can
expose aggregate and might not touch the paint. I have seen it used to
"clean" concrete and didn't seem
to touch grease or paint.
My best tip for removing spilled paint from concrete:
Leave it alone until it dries, then scrape it up. Sometimes you need to
put more paint on to make a thick coating so it's strong enough to come
off in one piece.
I'm doing this for a client next week. I painted her front door with an
old but unused can of paint that she provided. I shook and stirred it,
then painted the door. Halfway through, I noticed paint at the bottom of
the can. This surprised me, since I was careful to clean off any drips
when I poured it into my bucket. When I lifted the can, I discovered
that the bottom had rusted through. I'll apologised and explained that
she should leave the puddle of paint to dry for a week, and I'll come
back to clean it up. I'll take paint remover and other chemicals when I
go just to be sure I get it all. I'll probably take my pressure washer
with me, too.
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