You would have been better off getting turf. Through my experiences this stuff sucks and if you're just using it on a backyard setup, there are no advantages over turf.
last weekend i went to Fontainebleau (FRA) for some bouldering and right on the first boulder my already worn out La sportiva katanas finally burst open at the tip, so had to get some new babies urgently and stumbled upon these for only 79euro, kind of a bargain if you ask me
Some of these (assorted colors), stupid fish stole my last one yesterday so I had to make a quick stop at Ace Hardware on the way home from work for more.