ANSI A137.1 American National Standard Specifications for Ceramic Tile
Release date: July 2019

This publication presents voluntary standard specifications for ceramic tile. It lists and defines various types, sizes, physical properties, and grading procedures for ceramic tile, including mosaic tile, quarry tile, pressed floor tile, glazed wall tile, porcelain tile, trim units, and specialty tile. This standard provides quality criteria for buyers, specifiers, installers, manufacturers, and the public in general. It is intended for reference or inclusion in the ceramic tile section of project specifications and contracts.

Changes to A137.1-2018 were balloted and approved in 2019. The latest edition of this standard is A137.1-2019. 

Updates and further information on ANSI Standards can be found here.