Tile Underlayment Membrane Vs Backer Board

Just reading the definitions alone doesn t provide too much of a difference as both uncoupling mats and backer board are used to prep the subfloor to help prevent loss of bond.

Tile underlayment membrane vs backer board.

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. Two common types of underlayment are ditra a flexible plastic decoupling membrane explained later and cementitious backer units also known as cbus cement board or cement backer board. It s waterproof which makes it ideal for wet. One type of tile backer board is made with a water resistant facing on both sides of the board.

The question is which will be a more effective sidekick in your fight to keep your floor tile victorious. Georgia pacific s densshield is one such product. Backer board is a thin layer of concrete that has fiberglass mesh on its sides and is used under the tile to provide a firm and even surface for the tile to adhere to. In many ways however an uncoupling membrane such as schluter ditra is an even better backing material for reasons other than the fact that it doesn t raise the height of the floor as much as cementboard.

The following backer boards are commonly used for tile flooring in wet or dry areas over wood subfloors. Concrete backer board has a solid concrete core and both sides are faced with fiberglass. You shouldn t add any backer board over the top of it. Membrane faced board only.

Custom s fiber reinforced levelquick is another. Concrete backer board durock and wonderboard which is the standard material for tile underlayment. Secondly once the self leveler is dry you can adhere tile directly to it.