Concrete mortar walls are created from a combination of wire mesh or chicken wire attached to the wall studs on top of a layer of plastic sheeting.
How to remove wall tile from cement board.
How to remove wall tile mortar and wire mesh.
Hardie board also known as cement backer board installs over drywall or a wooden subfloor to provide a strong stable surface for tile installation.
Removing tile from older style mortar walls can be very challenging.
It depends on a lot of variables in place at the time the tile was set but it comes down to how well the tile is bonded to the mortar.
How to remove tile from hardie board.
During the course of bathroom remodeling you might find it necessary to remove old cement backer board hidden beneath stone or ceramic tile.
Choose an edge where flooring and the wall come together and start by removing any edgings or moldings.
Removing floor tiles laid on cement board is more work than wall tiles but the methodology is similar.
Adding floor or wall treatments over top of tiles adds too much bulk resulting in the need to cut down door frames so doors can open freely or.
Now you may be able to remove a starter tile using your putty knife but more likely you will need to remove the grout around a few.