At some point along the wall the cement backer board will meet with the drywall used in the rest of the room.
Shower wall tile and joint with dry wall.
In areas that are exposed to an abundance of moisture it is better to install a cement board as a backer rather than a gypsum board.
It will be fine to tile over drywall in low moisture areas such as tiling around a fireplace.
Blueboard is a type of drywall that is frequently used for a tile wall in a shower.
Not only is it water resistant but blueboard is easy to find and inexpensive making it an ideal option for those on a budget.
Furthermore blueboard is not difficult to install.
In areas of high moisture such as walls in a shower for long term durability it is not advised to install tile over drywall even if the drywall is type mr moisture resistant.
But that doesn t mean you ll have to tear all the tiles off the wall and replace them.
If the tiles are mounted on drywall the moisture will eventually turn the drywall to a messy mush.
The bottom line is that drywall and this includes moisture resistant drywall should never be used behind tile in wet areas showers and tub shower combinations.
If your tiles are in mortar break open a.