26. Do I have to remove my ceramic tile before I adhere my new bathtub or shower wall? Why can't I install my wall over ceramic tile?
The solvent in the adhesive is unable to saturate and properly adhere to the ceramic tile as it would through drywall or greenboard. This causes the adhesive to leach into the polystyrene bathtub wall panels and can cause the panel to soften or melt as the adhesive cures. Some of the wall styles that are made of thinner material will soften and the ceramic tile grout lines could become visible beneath the wall panel.

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