Ceramic Tile Lippage Tolerance

Lippage in the final installation.

Ceramic tile lippage tolerance.

If the grout joint width is 1 4 or greater then the allowable warpage is 1 16 plus the allowable inherent warpage of the tile. There are industry standards for determining whether the amount of lippage is acceptable or excessive. Today however the ceramic tile industry has grown far more complicated as 12 in by 24 in 18 in by 18 in 24 in by 24 in and larger tiles are manufactured in abundance. Lippage is the vertical displacement between two adjacent tiles of a ceramic glass or stone installation.

This allows for a more gradual change from tile to tile reducing the perceived lippage. Due to tile tolerances in accordance with ansi a137 1 the different components and factors which can lead to lippage problems are. According to the tcna for thin bed ceramic tile installations when a cementitious bonding material will be. When excessive this can lead to numerous problems ranging from chipped edges to snagged furnishings and appliances to safety hazards.

The mortar bed must be deep enough to beat the tiles into it there are tolerances for tile lippage. The ansi a108 02 standards say that acceptable lippage for floor tiles with a grout joint width of 1 16 to less than 1 4 is 1 32 plus the allowable inherent warpage of the tile. There are tolerances for tile lippage. The ansi a108 02 standards say that acceptable lippage for floor tiles with a grout joint width of 1 16 to less than 1 4 is 1 32 plus the we ve got a terrible problem with the lippage said robert.

This is defined in the ansi american national standards institute standard a108 02 section 4 3 7. Therefore where handmade or rustic tiles with a cottage edge are used the grout joints are specified to be wider. To address this on a practical basis some manufacturers recommend against any patterns with offsets in excess of 33 if the tile being used has an edge larger than 18 inches. Lippage refers to differences in elevation between edges of adjacent tile modules the ansi standard notes that the perception of lippage is influenced by many factors such as.

Installations of handmade or specialty tiles with texture or relief may be more likely to have higher lippage. Lippage is the vertical displacement between two adjacent tiles of a ceramic glass or stone installation. When the specification for ceramic tile american national standard was first revised in 1988 large format tiles were 8 in by 8 in and 12 in by 12 in.