At TISE 2020, Scott Carothers, director of certification and training for the Ceramic Tile Education Foundation, and Randy Fleming, technical trainer for the National Tile Contractors Association, took to the stage at DISH to talk about common problems with lippage, grout joints and patterns, and to demonstrate how to install tile correctly the first time. "It's very very difficult to fix a floor or a wall you tiled wrong to begin with," says Fleming. "You just end up chasing the problem." Watch Video >