Cement backer board is mainly used as a sub surface for tiling.
Floor tiling to drywall.
How to properly tile over drywall.
Water resistant drywall is a good backer board choice behind sinks and other places where occasional splashing and high humidity could affect regular drywall.
It must be easy to work with and it must adequately fill in gaps between the tile and the substrate.
Many professional installers even recommend against using water or mold resistant drywall in high moisture areas.
Otherwise you do.
If you want to update your kitchen or bathroom walls with tiles you don t have to remove existing painted.
Drywall installers use the floor as a guide to locate studs and electrical boxes.
Regular drywall is not appropriate.
When the wall is taped and sanded the marks on the subfloor serve as visual guides for locating the elements and cutting.
It cannot cure too fast.
How to tile over painted drywall.
First off the drywall to which you will be tiling over must be clean dry and in excellent condition.
The sheets are made from a water repellent gypsum core covered by water resistant paper.
Thick 4 x 8 ft.
Tiles are ideal for showers bathtubs and backsplashes.
In sharp contrast cement backer board does not rot warp grow mold or deteriorate when subjected to water.
Like regular drywall it s found at most home centers in 1 2 in.
If your plan includes removing old tile and replacing it with new you are likely going to have to do do some work to restore the gypsum board to excellent condition.