Replacing a bathtub can be a significant home improvement project, offering both aesthetic and functional benefits. The information provided by Briggs and related sources outlines a clear process for removing an old tub and installing a new one. This guide is designed for U.S. consumers and DIY enthusiasts seeking a detailed, step-by-step explanation of how to perform this task.
Overview of the Bathtub Replacement Process
Before beginning the replacement process, it is essential to assess the type of bathtub currently installed and the materials involved. Proprietary composite tubs, such as Americast by American Standard and UltraCast by Briggs, combine heavy-gauge steel, porcelain enamel, and resins to offer the benefits of cast iron at a reduced weight. These materials are often used in freestanding or drop-in tubs, which may require specific installation techniques.
The replacement process involves several key steps: removing the old tub, preparing the area for the new installation, and then fitting the new tub securely in place. Throughout this process, it is important to use the correct tools and materials to ensure the new bathtub functions properly and lasts for years.
Tools and Materials Required
The tools and materials needed for bathtub replacement are outlined in detail in the provided documentation. Here is a summary of what is required for both the removal and installation phases:
Removing an Old Bathtub
- Screwdriver
- Strainer wrench
- Pliers
- Pry bar
- Hammer
- Drywall saw
- Utility knife
- 4x4s (for support)
- Plywood (to protect the floor)
- Drop cloth (for additional protection)
Installing a New Bathtub
- Measuring tape
- Drill
- Level
- Screwdriver
- Strainer wrench
- Plastic putty knife
- Waste and overflow unit
- Overflow trim and flange
- Drain shoe and gasket
- Screws
- Shoe tube
- Plumber’s putty
- 2x4s (for support)
- Cement backerboard (for tile installation)
- Tile adhesive
- Grout
- Silicone or tub-and-tile caulk
- Ledger boards (as per manufacturer recommendations)
Step-by-Step Instructions for Removing an Old Bathtub
Measure and Plan: Begin by measuring the existing bathtub to ensure that it can be removed without damaging surrounding fixtures or walls. If the sink or toilet is in the way, consider removing it temporarily.
Protect the Floor: Cut and tape pieces of plywood to the floor and cover them with a drop cloth to protect the surface during the removal process.
Remove the Drain and Overflow Assembly: From inside the tub, unscrew and remove the overflow cover plate. If a drain assembly is attached, pull it out. If there is a mounting bracket, unscrew and remove it as well.
Pry Away the Tub Flange: Use a utility knife to cut through any caulk that may be securing the tub to the floor. Use a crowbar to pry the tub away from the back wall by approximately an inch. If the tub is secured with nails or screws, remove them using a pry bar or screwdriver.
Lift and Slide the Tub Out: If the tub is not a claw-foot or stand-alone model, it may be tightly fitted between studs. In such cases, it is often necessary to lift one end of the tub using a crowbar and 2x4s. Work with a helper to tilt the tub upright and slide it out of place. Be cautious to avoid damaging the waste-and-overflow unit, which may protrude below the tub.
Dispose of the Old Tub: Once the tub is removed, it can be disposed of according to local regulations. If replacing with a new tub, proceed to the installation phase.
Step-by-Step Instructions for Installing a New Bathtub
Check the Drain and Overflow Unit: Before installing the new tub, inspect the existing drain and overflow unit. Replace any damaged parts and ensure the drain is in the correct location. Consult the manufacturer's literature for guidance on positioning.
Prepare the Floor and Studs: Secure ledger boards to the studs at the height recommended by the manufacturer. If possible, the finish flooring material should extend under the new tub to ensure stability.
Position the New Tub: Carefully tilt the new tub into place, using 2x4s if necessary to avoid damaging the waste-and-overflow unit. Use a helper to guide the overflow tube into the drain line during installation.
Secure the Tub: Once the tub is in position, check it for level. If necessary, adjust the position to ensure proper drainage. Attach the tub to the studs according to the manufacturer’s instructions. For acrylic tubs, this typically involves nailing or screwing through the flange. For metal tubs, drive nails just above the flange.
Connect the Waste-and-Overflow Unit: From behind or below the tub, connect the waste-and-overflow tailpiece to the drain line. To test for leaks, close the stopper and fill the tub with water. Open the stopper and check for any signs of wetness.
Install Tile Around the Bathtub: To fill the gap between the tub and the surrounding wall, cut and install strips of cement backerboard, which is more moisture-resistant than standard drywall. Install tiles as needed, allow the adhesive to set for a day, and then apply grout. Use silicone or tub-and-tile caulk where the tiles meet the tub to ensure a watertight seal.
Final Inspection and Testing: Once the installation is complete, perform a final inspection to ensure that the tub is level, securely attached, and properly connected to the plumbing system. Test the drain by filling the tub and opening the stopper to observe water flow.
Considerations for Freestanding and Drop-In Tubs
For freestanding or drop-in tubs, the installation process may vary slightly. These tubs typically require additional support and sealing to ensure stability and water resistance. In such cases, it is important to follow the manufacturer’s specific instructions, as these tubs may have unique mounting requirements or sealing specifications.
Frequently Asked Questions
How often should a bathtub be replaced?
Tubs usually need to be replaced every 10–30 years, depending on the material and condition. Signs that a replacement may be necessary include cracks, leaks, or persistent mold and mildew growth.
Can I install a new bathtub myself?
Yes, it is possible to install a new bathtub as a DIY project, provided you have the necessary tools and materials. However, if you are unsure about any part of the process, it is recommended to consult a professional plumber or contractor.
What materials are best for a new bathtub?
Proprietary composite tubs, such as Americast or UltraCast, offer a lightweight alternative to traditional cast iron tubs. These materials combine steel, porcelain enamel, and resins to create a durable and aesthetically pleasing bathtub.
Do I need to replace the surrounding tiles and fixtures?
If the surrounding tiles are in good condition, they may not need to be replaced. However, it is often recommended to install new tiles or apply fresh caulk to ensure a watertight seal and a finished look.
What are the costs associated with bathtub replacement?
The cost of a new bathtub can vary depending on the material, size, and brand. Proprietary composite tubs typically range from $250 to $900. Additional costs may include labor, plumbing materials, and tile installation.
Professional Plumbing Services
For homeowners who prefer to hire a professional, Briggs Plumbing Inc offers a range of services, including bathtub installation and replacement. As a family-owned business with over two decades of experience, they provide 24/7 emergency services, senior and veteran discounts, and a free service call with any work performed. Their team is equipped to handle all aspects of the installation process, from removing the old tub to fitting and sealing the new one.
Conclusion
Replacing a bathtub is a complex but manageable task that can significantly enhance the functionality and appearance of a bathroom. By following the step-by-step instructions outlined in this guide, homeowners can successfully remove an old tub and install a new one using the correct tools and materials. Whether working as a DIY project or hiring a professional, it is important to ensure that the new bathtub is properly installed to prevent leaks and ensure long-term durability.
For those who require additional support or have specific questions about bathtub installation, professional plumbing services are available through companies like Briggs Plumbing Inc. These services provide a reliable and efficient solution for homeowners seeking to upgrade their bathroom fixtures.