Some subfloors are wholly incompatible with tile flooring and must be removed and replaced with a proper underlayment.
Underlayment for wall tile.
Types of ceramic tile underlayment.
They provide a water stable base make the floor more rigid less chance of cracked tiles and are better suited for tile adhesion.
They sit between your subfloor usually plywood and your tile.
While you can tile over drywall walls the paper covering on drywall can tear destabilizing the tile.
It is generically called cement board or backer board or it can also be referred to by one of the common brand names such as densshield hardiebacker and wonderboard.
Three types of underlayment for tile.
The six underlayment products listed above fall into three categories.
Ceramic tile and other hard tile and stone products fasten to the floor or wall using a bed of mortar as an adhesive.
Never lay tile over these materials.
Subfloors incompatible with ceramic tile.
Now largely regarded as the very best underlayment for ceramic tile in any application floors walls and countertops cement based backer board goes by many names.
Cement based backer board.
Floor underlayment preparation materials.
Underlayments are the support materials that lay underneath your tile on a floor.
The mortar permanently binds the tiles to.