Because of issues of moisture movement and adhesion ceramic tile will work well with certain types of subfloor underlayment systems and can go dramatically wrong with other subfloor materials.
Underlayment for ceramic tile on concrete.
In addition underlayments can provide thermal and sound insulation as well as a cushion that makes walking on the floor more.
Installing tile directly on concrete.
For ceramic tile flooring laid over concrete it separates the tile from the concrete pad and prevents cracks damaging the tiles.
Do i need to put any type of underlayment or vapor barrier underneath it.
A concrete slab makes a good underlayment for ceramic tiles since it s similar to the solid mortar bases that used to be the standard for ceramic tile installation.
Ceramic tile and other hard tile and stone products fasten to the floor or wall using a bed of mortar as an adhesive.
The mortar permanently binds the tiles to.
Ceramic and porcelain tile are so frequently installed at or above grade level on a cement board underlayment or directly on plywood that it almost seems novel to install tile directly on concrete.
For wood and laminate flooring the underlayment may provides moisture protection.
There are various types of tile underlayment but all serve to smooth out uneven.
The subfloor the underlayment and the surface tile you walk on.
For this reason ceramic and porcelain tile floors can be considered somewhat delicate despite the inherent strength of the material.
A tile floor consists of three individual layers.
However the slab must be flat perfectly level and not at risk of settling or heaving.