lippage

lippage

A ragged appearance that occurs when the upper edges of adjacent stones are not laid at the same level.
References in periodicals archive ?
The Custom Building Products Natural Stone and Large Tile mortar, for example, reduces lippage and produces a more level installation.
And a red lip is perfect for instant party girl vamp, as seen in full effect at last week's British Fashion Awards, on the likes of Daisy Lowe, and Georgia Jagger, who's inherited dad Mick's generous lippage.
Lippage is hard to avoid with large tile and easy to see with narrow grout lines or tile that has square--rather than rounded--edges.