Expert Answers in Lippage

ANSWER – There are no specific standards for lippage for glass tile, although I think it could be reasonable to apply the ANSI A108 standards for ceramic tile to glass tile.
The standard says…

ANSWER – I assume you are referring to a rectangle tile. These tiles tend to be installed in a off-set pattern so the tiles are stagger from each other.

ANSI A108.02-4.3 does state that tiles that…

ANSWER – There isn’t a clear standard for what is allowable maximum lippage between a 13 x13 inch tile and mosaics, but I would expect it to be 1/16″. For 1×1 inch tiles it is…

ANSWER – There are industry standards (ANSI A108.02-4.3.7-2005) that state that for tiles that are consistently sized the grout joints ¼” wide or more can not have any lippage greater than 1/16 inch.  If the…