blackcat said:first wet everything down,then used a degreaser,after used a concrete cleaner from nt and pressured off.cust was real pleased. drive had rust and tread marks and dirt [white]
Sonlight said:I did a similar size drive yesterday, also sidewalks and a small basketball court but all I used was a turbo nozzle without chems. I am wondering if a chemical would have sped things up. I got great results but a little slow for my liking.