Put in your own tile? Now there is no reason why you can't do it... and enjoy it Home improvement guru Matt Nikitas returns In the third installment of the Grand Finishes series, he'll help guide the beginner, as well as the expert, through the world of tile setting--with clarify and humor First he takes you through the necessary preparations and answers the questiosn: Do I need to install an underlayment? Or can I tile right over this surface now?...