That slow draining bathtub driving you crazy? Or maybe you’re tackling a full bathroom remodel and that old drain is the last piece standing between you and a sparkling new tub. Removing a bathtub drain might seem daunting, but with the right tools and a little know-how, it’s a project most DIYers can conquer. Ignoring a clogged or damaged drain can lead to bigger problems down the line, like unpleasant odors, overflowing water, and even damage to your plumbing and surrounding structure. Taking the initiative to address it yourself can save you money on professional plumbing services and give you the satisfaction of a job well done.
Whether you’re dealing with a stubborn clog, replacing a corroded drain, or prepping for a new tub installation, understanding the process is key. Different drain types and varying levels of corrosion can present unique challenges, but the fundamental steps remain the same. This guide will walk you through the tools you’ll need, the safety precautions to take, and a step-by-step process for successfully removing that old bathtub drain.
What tools do I need and how do I choose the right drain removal method?
What’s the easiest way to remove a stuck bathtub drain?
The easiest way to remove a stuck bathtub drain is usually with a drain removal tool, often called a bathtub drain wrench or a “dumbell” extractor. Insert the tool into the drain opening, adjust it to grip the crossbars (or the internal walls of the drain), and then turn counterclockwise to unscrew the drain. Before you start, apply penetrating oil around the drain’s edges to help loosen any corrosion or buildup.
To elaborate, bathtub drains often get stuck due to a combination of factors including mineral buildup (from hard water), soap scum accumulation, and rust. Applying penetrating oil like WD-40 or Liquid Wrench and letting it sit for at least 15-30 minutes (or even overnight) is crucial. This helps dissolve some of the gunk and lubricates the threads, making it easier to turn the drain. If you don’t have a specialized drain removal tool, you can try using needle-nose pliers to grip the drain’s crossbars, but be careful not to damage the drain or the tub’s finish. If the drain stubbornly refuses to budge even after applying penetrating oil and using the removal tool, consider applying heat. A hairdryer (not a heat gun, which can damage the tub) directed at the drain for a few minutes can help expand the metal slightly, potentially breaking the bond caused by corrosion. Remember to protect the surrounding tub surface from the heat. As a last resort, if the drain is severely corroded and damaged beyond usability, you might need to carefully cut it out using a reciprocating saw with a metal-cutting blade. However, this requires experience and a steady hand to avoid damaging the tub itself, and it’s generally best left to a professional plumber.
Do I need special tools to remove my bathtub drain?
Yes, in most cases, you’ll need a specialized tool to effectively and safely remove your bathtub drain. While some drains might be loosened with pliers or a screwdriver in a pinch, these methods can easily damage the drain and the tub itself. The most common and recommended tool is a bathtub drain wrench (also known as a dumbbell wrench or a spider wrench), designed specifically for this task.
Often, bathtub drains become seized due to mineral buildup, corrosion, or years of neglect. Attempting to force them with improper tools can lead to stripped slots, broken drain pieces, and even scratches on the porcelain or acrylic of your bathtub. A bathtub drain wrench, on the other hand, provides the leverage and correct fit needed to grip the drain firmly and apply torque without causing damage. Beyond the bathtub drain wrench, a pair of pliers (preferably channel-lock pliers) can be helpful for gripping and turning the drain stopper mechanism once the drain itself is loosened. Penetrating oil like WD-40 or Liquid Wrench is also essential to help dissolve rust and mineral deposits that are holding the drain in place. Apply the penetrating oil generously and allow it to sit for at least 15-30 minutes (or even overnight) before attempting to remove the drain. Remember to protect your bathtub surface with a towel or padding to prevent accidental scratches during the process.
How do I prevent scratching the tub finish while removing the drain?
The key to preventing scratches when removing a bathtub drain is to protect the tub’s surface. Use a layer of protection, such as a thick cloth or specialized drain removal tool with a protective coating, between any tools and the tub surface. Apply steady, even pressure and avoid sharp or jerky movements that could cause the tool to slip and scratch the finish.
Protecting the tub’s finish requires careful technique and the right tools. Before you even begin, place a thick towel or cloth directly around the drain area. This physical barrier is your first line of defense against accidental scratches. Consider using a specialized drain removal tool, like a drain wrench or a tub drain extractor, which often has a rubberized or coated exterior specifically designed to minimize damage. Many standard tools, such as pliers or screwdrivers, are metal and can easily slip and scratch the porcelain or enamel if not handled carefully. When applying force to loosen the drain, prioritize steady, controlled movements. Avoid using excessive force, as this can lead to the tool slipping or the drain breaking, potentially causing more damage. If the drain is particularly stubborn, try applying a penetrating oil or lubricant around the drain’s edges and let it sit for a while before attempting removal again. This can help loosen corrosion and make the process easier, reducing the need for excessive force. Remember to clean up any oil residue afterwards to ensure a clean surface for the new drain installation.
What should I do if the drain is corroded and won’t budge?
If your bathtub drain is heavily corroded and won’t budge with standard tools, your first step is to apply a penetrating oil like PB Blaster or Liquid Wrench liberally around the drain flange where it meets the tub and let it soak for several hours, or even overnight. The goal is to break down the rust and corrosion bonding the drain to the tub.
After the soaking period, try using your drain removal tool again. Apply steady, even pressure. Avoid excessive force that could damage the tub. If it still resists, try gently tapping around the edge of the drain flange with a hammer and a small punch or screwdriver. This vibration can help to further loosen the corrosion. Repeat the penetrating oil application and tapping process several times if necessary, allowing the oil to work its way into the threads.
If the drain remains stubbornly stuck, heat can sometimes help. Use a heat gun or hairdryer (on a low setting) to gently warm the drain flange. The heat will cause the metal to expand slightly, which can help to break the corrosion bond. Be extremely cautious when using heat near a bathtub, especially if it’s acrylic or fiberglass, as excessive heat can damage these materials. Always wear gloves and eye protection, and never apply direct flame. As a last resort, and if you are comfortable with more aggressive methods, you might consider using a specialized drain removal tool designed for severely corroded drains, or even carefully cutting the drain flange with a Dremel tool, but proceed with extreme caution to avoid damaging the tub.
Is it necessary to shut off the water before removing a bathtub drain?
Yes, it is absolutely necessary to shut off the water supply before removing a bathtub drain. Failing to do so can result in a significant and uncontrolled water leak, potentially causing water damage to your bathroom and surrounding areas.
Removing a bathtub drain disconnects the plumbing system, creating an open pathway for water to flow if the supply is still active. While you might assume that no water is present because you haven’t actively turned on the faucet, residual water in the pipes and the general water pressure in your home’s plumbing can force water through the open drain connection. This can quickly lead to a messy and potentially costly situation. Shutting off the water ensures that no water will flow through the pipes while you are working on the drain. The most common method to shut off the water is to locate the shut-off valves for the hot and cold water lines leading to the bathtub. These valves are typically located behind an access panel or in the basement directly below the bathroom. If you cannot locate individual shut-off valves for the bathtub, you may need to shut off the main water supply to your entire house. After shutting off the water, it’s always a good practice to briefly turn on the bathtub faucet to relieve any residual pressure in the pipes before you start disassembling the drain. This provides an extra layer of protection against unexpected water release.
How can I identify which type of drain stopper I have?
Identifying your bathtub drain stopper is crucial for proper removal. The most common types are lift-and-turn, push-and-pull (also known as toe-touch), pop-up, and trip-lever drains, each distinguished by their visible mechanism and how they’re operated. Observe the stopper’s appearance and action to determine its type.
The lift-and-turn stopper usually has a knob on top that you manually twist to raise or lower the stopper. The push-and-pull, or toe-touch, stopper operates with a simple push; pushing it once seals the drain, and pushing it again releases it. These often have a slightly rounded top. Pop-up stoppers are similar to push-and-pull but often have a more elaborate or decorative cap and might require more force to engage. The trip-lever drain is distinguished by a lever located on the overflow plate below the faucet. This lever, when moved up or down, operates an internal linkage to raise or lower the drain stopper. With the trip-lever style, the actual stopper itself is often hidden below a grid or strainer in the drain opening and may not be immediately visible until the lever is activated to raise it. Knowing your drain type will guide you to the correct removal process, preventing damage to the drain assembly or your bathtub.
What’s the best sealant to use when reinstalling the bathtub drain?
The best sealant for reinstalling a bathtub drain is plumber’s putty. It’s pliable, creates a watertight seal, and remains flexible over time, allowing for slight movement without cracking or losing its seal. Avoid silicone-based sealants, as they can be difficult to remove if future repairs are needed.
Plumber’s putty is specifically designed for drain applications, including bathtub drains, sink drains, and toilet installations. Its non-hardening formula allows it to compress and conform to the irregular surfaces of the drain flange and the tub’s drain opening, ensuring a tight, leak-proof seal. When applying plumber’s putty, roll it into a rope shape and apply it evenly around the underside of the drain flange before inserting it into the tub drain opening. As you tighten the drain assembly, the putty will compress and fill any gaps. It is crucial to only use plumber’s putty rated for drains, some putties can harden over time. After installation, clean away any excess putty that squeezes out from around the drain flange. This not only provides a clean look but also prevents the excess putty from attracting dirt and grime. Regularly inspect the drain area for any signs of leaks, and if any are detected, address them promptly to prevent water damage.