How To Install A Freestanding Tub Drain

How To Install A Freestanding Tub Drain

How to Install a Freestanding Tub Drain

Installing a freestanding tub drain is a crucial step when it comes to setting up your new bathtub. While the process may seem daunting at first, with the right tools and guidance, it can be a simple and rewarding DIY project. In this comprehensive guide, we will take you through the step-by-step process of installing a freestanding tub drain, ensuring that it functions properly and enhances the overall aesthetic of your bathroom.


  • Tools Needed
  • Materials Needed
  • Preparation
  • Installation Steps
  • Testing
  • Cleaning and Maintenance
  • FAQ

Tools Needed

Before you get started, make sure you have the following tools readily available:

  • Adjustable wrench
  • Hacksaw
  • Plumber’s putty or silicone sealant
  • Pipe cutter
  • Teflon tape
  • Screwdriver
  • Bucket or basin
  • Rags or towels

Materials Needed

In addition to the tools, gather the following materials:

  • Freestanding tub drain kit
  • PVC pipe
  • Drain flange
  • Plumbing fittings
  • Plumber’s putty or silicone sealant
  • Teflon tape


Before starting the installation process, here are a few essential preparatory steps:

Gather information

Obtain the installation instructions provided by the manufacturer of your freestanding tub drain. Familiarize yourself with the specific requirements and specifications mentioned in the manual. This will ensure a smooth installation process.

Clear the area

Clear the surrounding area of the bathtub to provide ample space for the installation process. Remove any nearby obstructions or objects that may hinder your movement.

Shut off water supply

Close the water supply valves that connect to your bathtub. This will prevent any accidental flooding during the installation process.

Installation Steps

Follow these step-by-step instructions to install your freestanding tub drain:

Step 1: Attach the Drain Flange

Start by attaching the drain flange to the bottom of the bathtub. Insert the flange through the drain hole and secure it tightly using the screws provided in the kit. Use an adjustable wrench to ensure the flange is firmly in place.

Step 2: Measure and Cut the Drain Pipe

Measure the distance between the drain flange and the floor. Cut a piece of PVC pipe to this length using a pipe cutter. Remember to wear protective eyewear while working with the pipe cutter. Smooth out any rough edges using sandpaper.

Step 3: Install the Drain Pipe

Insert one end of the cut PVC pipe into the drain flange and the other end into the floor drain. Ensure a snug fit and secure the joints by tightening the plumbing fittings. Use Teflon tape on the threads to prevent any leaks.

Step 4: Apply Plumber’s Putty or Silicone Sealant

Take a small amount of plumber’s putty or silicone sealant and apply it around the drain flange where it meets the bathtub. This will create a watertight seal and prevent any leaks. Use your fingers to evenly distribute the putty or sealant.

Step 5: Tighten the Drain Flange

Using an adjustable wrench, tighten the drain flange to ensure a secure connection. Be careful not to overtighten, as this may damage the flange or the bathtub. Wipe away any excess putty or sealant with a rag or towel.

Step 6: Reconnect the Water Supply

Once the drain is securely installed, reopen the water supply valves. Check for any leaks or drips around the drain flange and joints. If you notice any leaks, tighten the fittings or apply additional plumber’s putty or silicone sealant as necessary.


After completing the installation, it is essential to test the freestanding tub drain for proper functionality. Follow these steps to ensure everything is in working order:

Step 1: Fill the Tub

Fill the bathtub with water until it reaches the overflow level. Use the overflow drain cover provided in the kit to close off the overflow drain. This will redirect all the water flow to the main drain.

Step 2: Check for Leaks

Observe the drain flange and joints closely for any signs of leakage. Inspect the area underneath the tub for any water accumulation or seepage. If you notice any leaks, tighten the fittings or reapply plumber’s putty or silicone sealant as needed.

Step 3: Drain the Tub

Remove the overflow drain cover and allow the water to drain completely. Ensure the water flows smoothly and swiftly without any obstructions or slow draining. If the water drains slowly, there may be a clog, and you should investigate and clear it to ensure proper drainage.

Cleaning and Maintenance

Proper cleaning and maintenance will help prolong the lifespan of your freestanding tub drain. Here are a few key tips to keep in mind:

Regular cleaning

Clean the drain flange and surrounding areas regularly to prevent the accumulation of dirt, soap scum, or debris. Avoid using harsh chemicals or abrasive cleaners, as they may damage the finish of the tub.

Clearing clogs

If you encounter a clog in the drain, use a plunger or a drain snake to remove the obstruction. Avoid using chemical drain cleaners, as they can be corrosive and damaging to the pipes.

Annual inspection

Perform an annual inspection of the drain flange, pipes, and fittings. Look for any signs of wear and tear, corrosion, or leaks. Address any issues promptly to prevent further damage.


Q: Can I install a freestanding tub drain myself?

A: Yes, installing a freestanding tub drain can be done as a DIY project. However, it requires basic plumbing knowledge and the ability to work with tools accurately. If you’re unsure or uncomfortable with the process, it’s best to hire a professional plumber.

Q: How long does it take to install a freestanding tub drain?

A: The installation time varies depending on the complexity of the drain system and your familiarity with plumbing tasks. On average, it may take anywhere from 1 to 4 hours to complete the installation.

Q: Is it necessary to use plumber’s putty or silicone sealant?

A: Yes, applying plumber’s putty or silicone sealant is crucial to creating a watertight seal between the drain flange and the bathtub. This prevents any leaks or water damage.

Q: Can I reuse the existing drain system for my new freestanding bathtub?

A: It is not recommended to reuse the existing drain system, as it may not be compatible with the specifications of your new bathtub. Using a dedicated freestanding tub drain kit ensures proper fit and functionality.

Q: How often should I clean my freestanding tub drain?

A: It is advisable to clean the drain regularly, at least once a month, to prevent the buildup of dirt and debris. This will help maintain optimal water flow and prevent clogs.

By following these step-by-step instructions and tips, you can successfully install a freestanding tub drain and enjoy a functional and visually appealing bathtub in your bathroom. Remember to always prioritize safety, and if in doubt, consult a professional plumber for assistance. Happy tub installation!

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