If your bathtub is old, damaged, or simply outdated and you’re in the market for a new one, replacing it can be done on your own with a little patience, some neighborly help, and the right tools. Here, our bath installation experts share how to do it:
What you’ll need to replace a bathtub:
- Screwdriver, screws
- Adjustable wrench
- Measuring tape
- Drywall saw
- Utility knife
- Plumber’s putty
- Hammer, nails
Removing the old bathtub:
- Turn off the water supply and lay dropcloths down on your bathroom floor.
- Next, remove the bathtub stopper.
- After that, use a screwdriver to remove the drain and the overflow drain cover.
- Remove your tub spout if you plan on replacing it. (Some have a setscrew that holds them in place and others simply twist off.)
- You may also want to remove your ‘hot’ and ‘cold’ knob(s).
- After that, use an adjustable wrench to disconnect the main drain pipe and the overflow drain pipe.
- If your bathtub is surrounded by three walls, choose a standard measurement (say, five inches) and mark the measurement above each of the three sides of the tub and connect the marks with straight lines.
- Next, use your drywall saw to cut along the lines and remove the drywall above your bathtub (down to the studs).
- Using a screwdriver, remove all of the screws around the tub. Also remove any moulding around the sides.
- After that, use your utility knife to cut away the caulk between the tub and the floor.
- Employ a friend or family member to help you lift and move away the bathtub.
Installing the new bathtub:
- Place your new tub in the alcove and make sure that the pad on the underside is fully resting on the subfloor.
- Make sure the tub is level. If not, use shims to even it out.
- Making a note of your measurements, remove the bathtub and prepare it:
- Measure and mark the tub’s ledger, then attach the ledger board.
- After that, dry fit the drain and water supply pipes.
- Locate the bathtub’s overflow tube and install the rubber gasket on it. Then, secure the tube to the tub.
- Attach the stopper retaining bracket.
- Next, apply a ring of plumber’s putty around the drain flange and secure the drain to the bathtub using screws and your screw driver.
- Then, secure the stopper in place (make sure the stopper chain is connected to the stopper).
- Put the bathtub back in its place (including any shims you may have used) and fit the water pipe assembly into the drain.
- Check to make sure the tub is level.
- Then, nail the tub flange to the wall studs.
- Turn the water supply back on and make sure everything works properly.