Board That Goes Under Tile

Cement board is by far the heaviest type of drywall used in tile wall applications and the most resistant to water.

Board that goes under tile.

This is a distinct advantage over plywood and drywall. Never install new tiles over existing tiles or onto an unprotected wood or plywood floor. Schluter kerdi board is a multifunctional tile substrate and building panel which can also be used for creating bonded waterproofing assemblies with tile coverings. Cement board cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas.

Attach backerboard to wood subfloor install a cement based backer board following the manufacturer s instructions. A layer of cementitious material faced with fiberglass mesh to hold it together. Whatever it is called cement based backer board is what the name suggests. For starters the cement backerboard will need to be cut to the proper dimensions with a jigsaw.

Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water. Use a polymer modified thin set a type of mortar to attach the backer board to the subfloor. 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.

It s typically available in 1 2 in. This provides a solid surface under the tile that prevents flexing that could lead to cracking. The primary benefit of cement board is that it doesn t break down or expand or warp if it gets wet. Backer board comes in four foot by eight foot and three foot by five.

Plywood floor underlayment must be 5 8 inch and 3 4 inch if installing a large modular tile 12 inches or greater. 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. Avoid lining up cement board joints with plywood joints. Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water.

Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage. Cement board is a type of underlayment that is now standard for most tile installations but particularly for floor tile. 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. This is the industry standard most preferred by construction pros when installing ceramic or porcelain tile.

While it may be heavy installing cement board is just like installing drywall with a few minor differences.