The mortar bed sits over the sub floor and provides a smooth and stable base for the tile installation.
Ceramic mud bed.
It is used in slab format most commonly but it can also be used to create mortar beds for tile and natural stone installations.
To remodel a shower or other tiled feature within a home it may be necessary to first demolish an existing tile surface and the underlying mortar or mud bed.
These mortar beds are not actually slabs but rather thinner areas of.
These are typically for floors where you re putting a bonded mortar bed over an intact slab on grade.
Shop for ceramic mud pie at bed bath beyond.
How to remove an old tile mortar bed.