Celebrating a Lesser-Known Role of Hamilton: Father of the Coast Guard 2 Â· 1 comment President Trump to give keynote speech at US Coast Guard Academy in May 2017.
First, You don't Tile over Drywall in any case in Bathroom area exposed to Moisture etc.( you may have to remove existing drywall& install cement board, around that area for better results of tiling. Second. The drywall should not be, less then Blue Board for all areas except Shower or bathtub tiling.
Installing ceramic tile and porcelain tile over a plywood subfloor. 1  A plywood subfloor must be structurally sound and able to support the installation. 2  Tile floors are heavy and tile is a hard material. 3  It will break or dislodge if the surface bends under the load. 4  Remember that you need a very flat surface to work on.