Board That Goes Under Tile

Cement board also provides an additional layer over a plywood or particleboard subfloor adding stiffness to the tile installation to help prevent cracks.

Board that goes under tile.

This provides a solid surface under the tile that prevents flexing that could lead to cracking. Avoid lining up cement board joints with plywood joints. Cement board is a type of underlayment that is now standard for most tile installations but particularly for floor 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.

For starters the cement backerboard will need to be cut to the proper dimensions with a jigsaw. This is a distinct advantage over plywood and drywall. Never install new tiles over existing tiles or onto an unprotected wood or plywood floor. Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage.

This is the industry standard most preferred by construction pros when installing ceramic or porcelain tile. Thick 3 x 5 ft. It s typically available in 1 2 in. A layer of cementitious material faced with fiberglass mesh to hold it together.

While it may be heavy installing cement board is just like installing drywall with a few minor differences. Use a polymer modified thin set a type of mortar to attach the backer board to the subfloor. Backer board comes in four foot by eight foot and three foot by five. Cement board cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas.

Plywood floor underlayment must be 5 8 inch and 3 4 inch if installing a large modular tile 12 inches or greater. Whatever it is called cement based backer board is what the name suggests. Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water. Cement board is by far the heaviest type of drywall used in tile wall applications and the most resistant to water.

Chipboard cushioned vinyl flooring particle boards of any type oriented strand board osb interior grade plywood tongue and groove planking and hardwood floors are unsuitable substrates for direct installation of 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. The primary benefit of cement board is that it doesn t break down or expand or warp if it gets wet. Apply a polymer modified thin set mortar to the underlayment before installing the board.

It consists of an extruded polystyrene foam panel with a special reinforcement material on both sides and fleece webbing for effective anchoring in thin set mortar.