Caulking a bathtub is an essential maintenance task that prevents water damage, mold growth, and unsightly gaps. Follow these 13 steps to ensure a professional-looking finish for your bathtub.

1. Gather your supplies: You will need a caulk gun, a tube of caulk (preferably silicone), a utility knife, rubbing alcohol, masking tape, a caulk scraper or razor blade, and a bucket of soapy water.

2. Remove the old caulk: Start by removing any old or damaged caulk using your utility knife or razor blade. Be careful not to scratch the surface of the tub or tile.

3. Clean the surface: After removing the old caulk, clean the surfaces with rubbing alcohol and let them dry completely. This will remove any remaining residue and help the new caulk adhere better.

4. Apply masking tape: Apply strips of masking tape along the edges where you plan to apply the new caulk. The tape should be about 1/8 inch away from the edge to create a neat and consistent line.

5. Prepare your caulk gun: Cut off the tip of the caulking tube at an angle and load it into your caulk gun.

6. Begin caulking: Starting at one end of the tub, apply steady pressure on the trigger to release an even bead of caulk along the seam between the tub and tile.

7. Maintain steady pressure: Keep consistent pressure on the trigger as you move along the entire length of the seam. Remember to maintain contact with both surfaces you want to seal.

8. Smooth out the bead: Use a wet finger or damp sponge to press down on the bead of caulk along its entire length. This action helps achieve a smooth appearance and better adhesion.

9. Wipe up excess caulk: Use a damp cloth or paper towel to remove any excess caulk that may have spread beyond the masking tape.

10. Remove the masking tape: Carefully peel away the masking tape from both sides of the seam. Try to do this before the caulk begins to skin over.

11. Inspect for imperfections: Take a moment to inspect your work and make sure there are no gaps or air bubbles in the caulk line.

12. Allow the caulk to cure: Read the manufacturer’s instructions and allow the recommended time for your specific caulk to cure.

13. Clean up: After your caulk has fully cured, clean your tools with soapy water and properly dispose of any waste material.

Congratulations! You have successfully re-caulked your bathtub, ensuring better protection against water damage and a visually appealing seal. With regular maintenance, your bathroom will stay looking fresh and clean for years to come.