Bathtub liners were developed as a way to cover worn bathtubs with new, clean surface. However, over time, this surface can also need to be replaced. Luckily, you can remove and replace your bathtub liner, giving you a completely clean and new tub surface in your bathroom.
Keep in mind that most bathtub liners will be made custom for your bathtub, so leave plenty of time to have your liner manufactured. You may also want to check for installation deals from companies that install liners: it may be worth a few extra bucks to have a professional complete this project.
Step 1: Cut between the caulk and the bathtub liner with a utility blade. to break the seal. This should help release the hold that the bathtub liner has on the tub. Remove the bathtub faucets and other obstructions that were installed over the liner.
Step 2: Insert a pry bar between the liner and the tub. Pull upwards, removing pieces of the liner as you go.
Step 3: Look for stress points in the liner to insert your pry bar and pry up larger portions of the liner. Continue until all of the liner has been removed from the inside of the tub.
Step 4: Remove any caulk remaining on the tub with a utility blade and mineral spirits. Clean the inside surface of the tub and allow it to dry thoroughly before continuing. In particular, be sure to clean any mold or mildew that may have formed in the tub while the liner was in place.
Step 5: With the liner removed, carefully measure your tub and write down the dimensions. Purchase a bathtub liner that will fit. Most liners are custom, made out of an acrylic sheet that is formed to your specific dimensions.
Step 6: Apply a water resistant acrylic adhesive to the inside of your bathtub. Be generous and apply the adhesive all over the surface of the bathtub.
Step 7: Press the bathtub liner into place. Be sure to apply even pressure to ensure good adhesion between the liner and tub.
Step 8: Run a bead of caulk around where the bathtub liner meets the tub surround. Install the faucet and faucet handles, caulk around them to prevent water from working its way underneath the bathtub liner.