KEY WORDSTile, Concrete, Flatness, Large format, ANSI, TCNA

© 2016 International Masonry Institute

Concrete floor flatness diagrams for ceramic tileDetail 06.130.0401 Rev. 3/1/16

1'-0"2'-0"

1/16"

10'-0"

1/8" 1/8"

10'-0"

1/4" 1/4"

Required plane

Required plane

10'-0"

10'-0"

2'-0" 1'-0"

1/16"

43

2

1

Concrete floor flatness for tile > 15 in. on one side1/14" in 10 ft., max.

Concrete floor flatness for tile < 15 in. on one side1/18" in 10 ft., max.

Concrete floor flatness for tile < 15 in. on one side1/16" in 1 ft., max.

Concrete floor flatness for tile > 15 in. on one side1/16" in 2 ft., max.