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- Remove the Thinset: The most effective way is to completely remove the thinset from the surface before applying joint compound. This can be done by scraping or sanding the surface to ensure a clean and smooth substrate for the joint compound.
- Skim Coat: Another solution is to skim coat the entire surface with a thin layer of joint compound after removing the thinset. This will create a uniform surface and help fill any voids or imperfections left by the removal process.
- Reinstallation: In some cases, it may be necessary to remove the tile installation altogether and start from scratch if joint compound is required. This option, however, can be time-consuming and costly.
Joint compound should not be applied directly over thinset due to their differences in composition, drying times, and moisture resistance properties. It is recommended to remove the thinset or apply a skim coat of joint compound after removing the thinset. By following these guidelines, you can ensure the best results for your home projects and achieve a smooth, professional finish.