CEMENT BACkERBOARD OVER FRAME FLOOR
Tile/stone or
laminate flooring
Cement backerboard,
thick-set, or self-
leveling mortar bed
(per International Residential
Code, Chapter 11)
THIN-SET OVER SLAB ON GRADE
laminate flooring
Thin-set or self-
leveling mortar bed
Crack isolation membrane
/Insulating barrier
Concrete slab with
rewire or rebar
(per International Residential
Code, Chapter 11)
IOM-ST-DIY-MAT 1515
Thin-set
Mat
Insulation
Tile/stone or
Mat
Insulation
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