The Tile Council of North America (TCNA) has published the latest edition of the ANSI A137.1 American National Standard Specifications for Ceramic Tile and updated the ANSI A108/A118/A136.1 American National Standard Specifications for the Installation of Ceramic Tile. Revisions to the standards include new charts and testing methods, as well as the first-ever minimum grout joint width recommendation. For details, circle 282 on the Reader Inquiry Card.