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. okay. that's it for the feature strip. and then what's next? now we're going to set the tile up top. so you can put the thinset right onto the plaster no need for a backer board? right, not a wet area. here's another one for an angle cut. yep, we're just going to take it from the bottom first, mark it. and we take the top measurement, it's 12 5/8. connect the dots and we'll cut it wi