Do I Need Cement Board Under Floor Tile

The primary benefit of cement board is that it doesn t break down or expand or warp if it gets wet.

Do i need cement board under floor tile. Do it yourselfers can use either 1 2 or 1 4 inch cement board in certain applications while other scenarios mandate 1 2 inch board. If i thinset the cement board down using a 1 4 x 1 4 trowel and screw it every 8 will the thinset end up being 1 8 thick. Cement board also provides an additional layer over a plywood or particleboard subfloor adding stiffness to the tile. On top of the 2 6 will be 3 4 subfloor thinset cement board redgard thinset tile.

Cement board is a type of underlayment that is now standard for most tile installations but particularly for floor tile. This is a distinct advantage over plywood and drywall.