We had our driveway and garage floor poured in November. To date much of the driveway has a different color and appears to be 'wet' with big blotches that look like uncured cement. When we had the driveway done we also had a brick walkway put in, going up thru the entire driveway and that is turning white .... it's a mess! I am being told by the contractor that it takes time to dry... We have been told to just keep washing it off but it's been 3 months now and nothing has changed. Do you have any idea what we can do about this? I have pictures if you need more input... appreciate any help ... thanks