Beforeapplying new caulkaround your bathtub,shower, or sink, you must first remove the old caulk.
The best way to remove caulk is by using chemical caulk remover and manual tools.
Learn more about the best steps to remove the caulk, special removal tools, and chemical remover solutions.
The Spruce / Liz Moskowitz
Metal tools may scratch or mar the surface of the basin or fixture.
Razor Scraper
Another tool that works well is a good old-fashioned razor scraper.
A razor is ideal for getting behind thin smears of old caulk.
The Spruce / Liz Moskowitz
To prevent scratching, be careful not to let the corners of the blade hit up the surface.
Keep the tool at a low anglealmost flat to the surfaceat all times.
Acrylic and fiberglass surfaces are especially susceptible to scratching.
The Spruce / Liz Moskowitz
To remove waterproof caulk made with silicone, it’s best to use vinegar, alcohol, or WD-40.
If you need a stronger solution to remove dried silicone caulk, use industrial-grade isopropyl alcohol.
A plastic or polished steel caulk remover tool is the best tool to remove caulk.
The Spruce / Liz Moskowitz
Tools like utility knives, flat scrapers, or putty knives will also work.
Plastic is preferred since it’s less likely to scratch or mar the surface.
The Spruce / Liz Moskowitz
