Acceptable Ceramic Tile Lippage

You have a wood look glazed porcelain tile that is 6x24 inches.

Acceptable ceramic tile lippage.

When excessive this can lead to numerous problems ranging from chipped edges to snagged furnishings and appliances to safety hazards. That suggest that it should not be smaller than that. The data sheet doesn t indicate whether it. Lippage is the vertical displacement between two adjacent tiles of a ceramic glass or stone installation.

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. Variation in the height of adjoining tiles is called lippage. What is acceptable variations in the height of adjoining tiles. There are industry standards for determining whether the amount of lippage is acceptable or excessive.

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. Would it technically be acceptable. 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. Imagine a floor where all tiles are at 1 32 lippage.

Lippage refers to differences in elevation between edges of adjacent tile modules. What percentage of floor tiles that are at the 1 32 limit for lippage is acceptable. We have 40 spots that are at 1 32 lippage and 8 spots that are above. This is defined in the ansi american national standards institute standard a108 02 section 4 3 7.

There are quantitative industry standards for what is acceptable lippage for ceramic tile. The daltile data sheet does say that you can have as small of a grout joint as 3 16 wide. There are tolerances for tile lippage. I have yet to see the percentage question addressed.