Originally Posted by IMAGE
if you put that much soil on, you should seed it and take care of it like its a newly seeded area. It CAN fill in and look good, I've done it, but it takes a few months before it becomes really filled in. After it is well established it might be greener then the surrounding area, and you'll need to fertilize the whole lawn to get it all to "match"
Of course you could re-seed. But this customer just paid for a sod job, if he wanted seed he would have saved himself a bunch of money and seeded in the first place.