Quote:
Originally Posted by Publisher Bucks
I usually wash it by hand, the problem is this concrete dust is starting to set as its been a day or two so was thinking as a one-off a automatic car wash with those brushes might be able to get it off the windshield and paintwork better than my spending 2+ hours scrubbing it will  |
Concrete won't set without water and mixing, Just pressure wash it off, you won't even need to scrub.