19 of 32
© 2015 Watts Water Technologies
Tile/stone or
laminate flooring
Tile/stone or
laminate flooring
Concrete slab with
rewire or rebar
Crack isolation membrane
/Insulating barrier
TapeMat
Thin-set or self-
leveling mortar bed
Insulation
(per International Residential
Code, Chapter 11)
Insulation
(per International Residential
Code, Chapter 11)
Cement backerboard,
thick-set, or self-
leveling mortar bed
TapeMat
Thin-set
THIN-SET OVER SLAB ON GRADE
CEMENT BACKERBOARD OVER FRAME FLOOR