The Tile Installer’s primary responsibility will be the installation of custom tile in residential and commercial projects. . Responsibilities (specific job duties). You can measure, mark, clean, and level surfaces to be tiled (following project plans, blueprints, or numbered sequences). Remove old flooring and adhesive when needed. Mix thin set, mortar, adhesive, and grout. Apply adhesives to form a bed for the tiles using brush, trowel, and/or ...