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.
Underlayment for ceramic tile on concrete.
For wood and laminate flooring the underlayment may provides moisture protection.
For this reason ceramic and porcelain tile floors can be considered somewhat delicate despite the inherent strength of the material.
However the slab must be flat perfectly level and not at risk of settling or heaving.
Installing tile directly on concrete.
The mortar permanently binds the tiles to.
The subfloor the underlayment and the surface tile you walk on.
In addition underlayments can provide thermal and sound insulation as well as a cushion that makes walking on the floor more.
There are various types of tile underlayment but all serve to smooth out uneven.
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.
I m putting ceramic tile flooring in my kitchen and live on a 10 year old ground level concrete slab.
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.
Yet this application does make sense since concrete is heavy solid and is typically thought of as an unbending uncompromising material.
Ceramic tile and other hard tile and stone products fasten to the floor or wall using a bed of mortar as an adhesive.
Do i need to put any type of underlayment or vapor barrier underneath it.