The American National Standards Institute (ANSI) is a private, non-profit organization that administers and coordinates the U.S. voluntary standards and conformity assessment system. Founded in 1918, the Institute works in close collaboration with stakeholders from industry and government to identify and develop standards- and conformance-based solutions to national and global priorities.

Following the methods presented in these publications are critical to helping avoid installation failures. 

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		ANSI A108-A118-A136.1 American National Specifications for the Installation of Ceramic Tile
		ANSI A137.1  American National Standard Specifications for Ceramic Tile
		ANSI A137.2-2022  American National Standard Specifications for Glass Tile
		ANSI A137.3—2022, A108.19—2020, and A108.20—2020  American National Standard Specifications for Gauged Porcelain Tile and Gauged Porcelain Tile Panels/Slabs (Material and Installation Standards)