Ceramic Tile Lippage: Unsightly and, on Floors, Unsafe... and Perfectly Allowable When Tile Industry Substrate Flatness Requirements are Disregarded

January 9, 2018

GCs, you know the drill, it’s crunch time—budgets are depleted, schedules are in jeopardy, and the tile contractor is agitating for extra time and money to fix the concrete. It isn’t flat enough for tile and flattening it wasn’t included in the bid, says the email with a change order attached.

Really? It looks flat, and often there’s documentation that the slab meets the flatness tolerance specified for the concrete. But before you refuse that change order, know that by doing so you’re ok-ing what would normally qualify as installation flaws. Read more here.

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