we're working with an 8 x 24 glazed ceramic. see the lines in it? i do, very subtle. ne with an ink-jet printer. seriously? glaze and all. so the glaze replaces the ink? yeah. i like that, very cool. so we've got it going up on the vanity wall all the way up? all the way up to the ceiling, except right here. what's going right there? well, we're going to put this -- excuse me. oh, there we go. an enamel mosaic. so, same tile that's down on the floor going up there. but, if you notice look how thin it is compared to the field tile. and how do you handle that? so i have to pad out these walls here. okay, we have some more backer board to go up? yes, we do. i'm going to glue it with some thinset. so we've got a 1/2-inch notch there, 1/4-inch? it's...yeah, it's a 1/2-inch notch. 1/2-inch notch. here we go, so just right on the edge. yep. i also marked the board so i can put some screws in it. now we're skimming the board with thinset. look at that, kevin. oh, yeah. flush, perfectly flush. that's great. okay, here's number two. all right, you thinset i'll lay the tiling. ok