I knew a guy who had some real high pressure rig(4500psi IIRC), it would sure take off the top of what appeared to be good concrete. It would flake the top layer right off. Brian


My \'64\'s in the Gallery
Pictures in my Photobucket
1964 C10 Custom Cab 350/700R4
1964 Suburban 350/700R4
1979 Ford F350 4x4 400/c6