Probably under at the tile layer also.
Board under tile.
Backer board is the best substrate for tile.
Cement board also provides an additional layer over a plywood or particleboard subfloor adding stiffness to the tile.
This is a distinct advantage over plywood and drywall.
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.
A successful tile installation depends largely on the type substrate the tile is adhered to.
Could you perhaps recommend a different trowel size to set the cement board and or tile.
Use a polymer modified thin set a type of mortar to attach the backer board to the subfloor.
This is the industry standard most preferred by construction pros when installing ceramic or porcelain tile backer board comes in four foot by eight foot and three foot by five.
Cement based backer board.
The polymer modified thin set provides additional strength and helps eliminate any movement between the backer board and the subfloor.
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.
You ll be under 1 8 inch with the thinset layer under the backer board.
July 5 2020 at 5 26 pm.
Whether it s a wall floor or countertop tile installation using the right substrate is crucial for preventing cracks and breaks in the tile and grout.