I've never installed it, but after looking at it, (we've got two hundred pounds of the stuff in a tote on the hill), it strikes me as glueing down rubber. If you are handy with a razor knife and tape measure, and depending on your skills of which I have no clue, it looks very simple.
Or pay the yard 75 bucks an hour for it. The yard would LOVE a job like that. I would.