Board Under Tile

Cement board is a type of underlayment that is now standard for most tile installations but particularly for floor tile.

Board under 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. July 5 2020 at 5 26 pm. 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.

You ll be under 1 8 inch with the thinset layer under the backer board. The primary benefit of cement board is that it doesn t break down or expand or warp if it gets wet. A successful tile installation depends largely on the type substrate the tile is adhered to. Probably under at the tile layer also.

Cement based backer board. The polymer modified thin set provides additional strength and helps eliminate any movement between the backer board and the subfloor. 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. Backer board is the best substrate for tile.

This provides a solid surface under the tile that prevents flexing that could lead to cracking. Use a polymer modified thin set a type of mortar to attach the backer board to the subfloor.