How to Remove Moldy Shower Caulking


Caulking is used to seal out moisture. It is especially important in the shower, where exposure to water and steam is constant. Because of this moisture, it is not unusual to see mold develop in the caulking. Cleaning this mold is important to keep the caulk in good condition. If the mold works its way under the caulk, it must be replaced.

Things You'll Need

  • Razor blade or putty knife
  • Mold and mildew cleaner
  • Silicone caulk
  • Cut a slit in the caulking with a razor blade and pull the loose piece up with your fingers. Pull the caulking away from the edge of the shower slowly.

  • Scrape the rest of the caulk off with the razor blade, being careful not to scratch the tub. Make sure that all moldy caulk is removed or it will affect the new caulk. Use a putty knife if you prefer.

  • Clean with a mold and mildew cleaner and rinse thoroughly. Dry off the area with a clean towel.

  • Put down a bead of silicone caulk in the same place that you removed the old. Silicone caulk is water-resistant.

  • Press your finger into the caulk and move it along the bead to press it up against the shower and smooth it out. Allow the caulk to dry for a day before using the shower.

Related Searches


  • Photo Credit shower image by Dragan Trifunovic from
Promoted By Zergnet


You May Also Like

Related Searches

Check It Out

22 DIY Ways to Update Your Home on a Small Budget

Is DIY in your DNA? Become part of our maker community.
Submit Your Work!