"Yes...I glue it all down. Spray (soak) with "wet water" and apply thinned down white glue with a squeeze bottle. Do a search on the board, there are dozens of posts on application."
Hey 3 Rail 2
Did you use white glue or mat medium? Also, I was told that granite has metal in it and is a potential hazard for the trains. Is that true and have you had any problems?