What does backer board do?
Regarding this, when should you use backer board?
Use backer board for all your tile jobs, including floors, walls and counters. You can also use it for thin exterior brick and stone. Some companies manufacture backer-board sheets with a rougher side for use with thinset mortar and a smoother side for use with ceramic-tile mastic.
Additionally, is it OK for cement board to get wet? Water resistance These Portland cement based products are smaller in size compared with the gypsum core based products. Cement boards should not be confused with gypsum core backer boards. Gypsum core backer boards are affected by water and should not be used on wet exposure areas.
In this regard, what is backing board used for?
The primary purpose of cement boards is to serve as backing for tile and is superior to paper-covered gypsum at this task because of its resistance to water – as tile is typically used in areas prone to water exposure, it is important to have a backing that will not develop mold and mildew or disintegrate after
Where can you use backer board?
You always want to install backer board behind showers and the walls surrounding bathtubs. Backer board is also used under floor tile when there's a wood sub-floor. This includes bathroom floors and any other tile flooring in your house, what builders call the “wet areas”.