
If your shower drain is installed too high, it can lead to poor drainage and standing water, creating a slippery and potentially hazardous environment. This issue often arises from improper installation or settling of the shower pan over time. To fix a shower drain that is too high, you’ll need to assess the underlying cause—whether it’s a misaligned drain pipe, an incorrectly sloped shower base, or a problem with the plumbing. Solutions may include adjusting the drain assembly, re-sloping the shower floor, or even replacing the shower pan entirely. Proper planning and understanding of plumbing basics are essential to ensure the repair is effective and long-lasting, preventing future drainage problems.
| Characteristics | Values |
|---|---|
| Problem Description | Shower drain installed too high, causing water pooling or improper drainage. |
| Common Causes | Incorrect installation, settling of the shower pan, or improper slope. |
| Tools Required | Screwdriver, pry bar, utility knife, reciprocating saw, new drain assembly, plumber's putty, silicone caulk, and a level. |
| Materials Needed | Replacement drain kit, mortar or thin-set, waterproof membrane, and tiles (if re-tiling is necessary). |
| Steps to Fix | 1. Remove the existing drain cover and grate. 2. Inspect the drain body and determine if it needs replacement. 3. Lower the drain by cutting the pipe (if possible) or installing a shallow drain assembly. 4. Ensure proper slope for drainage. 5. Reinstall the drain cover and test for leaks. |
| Alternative Solutions | Install a shower drain extender or use a shallow drain kit designed for high drains. |
| Precautions | Ensure the shower pan is properly sealed to prevent water leakage. Use a level to check the slope during installation. |
| Professional Help | Recommended if the drain pipe needs to be cut or re-routed, or if the shower pan requires significant modification. |
| Cost Estimate | DIY: $50–$150 (materials). Professional: $200–$500 (labor and materials). |
| Time Required | DIY: 2–4 hours. Professional: 4–6 hours. |
| Long-Term Solution | Properly reinstall the drain with correct slope and sealing to prevent future issues. |
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What You'll Learn

Adjusting Drain Height with Extenders
If your shower drain is installed too high, it can lead to poor drainage and standing water, which is both inconvenient and unsanitary. One effective solution to this problem is adjusting the drain height using extenders. Drain extenders are designed to lower the drain assembly, ensuring proper water flow and preventing pooling. This method is particularly useful for shower pans or bases that sit higher than the drain pipe, causing the drain to be elevated. By using extenders, you can achieve the correct slope for efficient drainage without the need for extensive plumbing modifications.
To begin adjusting the drain height with extenders, first assess the current setup of your shower drain. Measure the distance between the top of the drain and the shower pan to determine how much height needs to be adjusted. Drain extenders typically come in various lengths, so selecting the appropriate size is crucial. Most extenders are threaded or designed to fit snugly onto the existing drain pipe, allowing for a secure connection. Ensure the extender is compatible with your drain type, whether it’s a screw-on, glue-on, or threaded drain, to avoid leaks or instability.
Once you’ve chosen the correct extender, start by removing the existing drain cover and any screws or seals holding the drain assembly in place. Carefully unscrew or detach the drain from the pipe, taking note of any gaskets or washers that need to be reused or replaced. Attach the extender to the drain pipe according to the manufacturer’s instructions, ensuring a tight seal to prevent leaks. If the extender is threaded, use Teflon tape or pipe sealant to secure the connection. After the extender is in place, reattach the drain assembly, ensuring it sits flush with the shower pan.
With the extender installed, test the drain to ensure it functions properly. Pour water into the shower and observe the flow. The water should drain quickly without pooling, indicating the extender has successfully lowered the drain to the correct height. If adjustments are needed, you can add or remove extender sections as required. It’s also important to check for any gaps or leaks around the drain and seal them with caulk or plumber’s putty if necessary.
Finally, reinstall the drain cover and any decorative elements to complete the repair. Adjusting drain height with extenders is a cost-effective and relatively straightforward solution for a shower drain that is too high. It eliminates the need for major renovations or replacing the entire shower base, saving time and money. By following these steps carefully, you can restore proper drainage and enjoy a fully functional shower once again. Always ensure the extender is securely installed to avoid future issues and maintain the longevity of your shower drain system.
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$7.99

Modifying Shower Pan Slope
Modifying the slope of a shower pan is a critical step in fixing a shower drain that sits too high. The primary goal is to ensure water flows efficiently toward the drain, preventing standing water and potential leaks. To begin, assess the existing slope of the shower pan. This can be done by using a level and measuring the gradient from the center of the pan to the drain. Ideally, the slope should be approximately 1/4 inch per foot, ensuring proper drainage. If the current slope is insufficient or incorrect, you’ll need to adjust it by either adding or removing material beneath the shower pan.
One common method to modify the slope is by using a mortar bed. Start by removing the existing shower pan or tiles, if applicable. Clean the subfloor thoroughly to ensure proper adhesion. Mix a batch of thin-set mortar or sand-mix topping according to the manufacturer’s instructions. Spread the mortar over the subfloor, creating a slope that directs water toward the drain. Use a trowel to shape the mortar, ensuring it is smooth and evenly sloped. Allow the mortar to cure completely before proceeding, which typically takes 24 to 48 hours depending on the product.
If you’re working with a pre-fabricated shower pan, modifying the slope may involve adjusting the underlying support structure. Place shims or spacers beneath the edges of the pan farthest from the drain to create the necessary gradient. Ensure the shims are stable and evenly distributed to avoid uneven weight distribution. Once the slope is correct, secure the pan in place using screws or adhesive, following the manufacturer’s guidelines. Test the slope by pouring water into the pan and observing its flow toward the drain.
For a more modern approach, consider using a shower pan liner with a built-in slope. These liners are designed to direct water toward the drain and can be installed directly over the subfloor. Place the liner so that the sloped side faces the drain, ensuring proper alignment. Secure the liner using screws or adhesive, and then install the shower pan or tiles over it. This method is particularly useful for DIYers, as it simplifies the process of achieving the correct slope.
Finally, after modifying the slope, reinstall the shower drain and ensure it is level with the top of the shower pan. Use a waterproof membrane or sealant around the drain to prevent leaks. Test the drainage by running water into the shower and checking for pooling or slow drainage. If adjustments are needed, make them before completing the installation of tiles or other finishing materials. Properly modifying the shower pan slope not only fixes the issue of a drain that’s too high but also ensures long-term functionality and prevents water damage.
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Using Drain Relocation Kits
When dealing with a shower drain that is too high, one effective solution is using a drain relocation kit. These kits are specifically designed to adjust the height of the drain without requiring extensive plumbing work. They typically include components like a new drain body, extension pieces, and sealing materials to ensure a watertight fit. Before starting, ensure you have the correct kit for your drain type (e.g., threaded or glue-in) and gather tools like a hacksaw, plumber’s tape, and a wrench.
The first step in using a drain relocation kit is to remove the existing drain. Turn off the water supply to the shower and use a screwdriver or wrench to loosen the drain cover. Carefully cut through the caulk or sealant around the drain using a utility knife. Once exposed, unscrew or detach the drain assembly from the pipe below. If the drain is glued, you may need to cut the pipe using a hacksaw, ensuring a clean, straight cut for the new installation.
Next, install the new drain body from the relocation kit. Follow the manufacturer’s instructions to attach the extension pieces, which will lower the drain to the desired height. Secure the components using plumber’s tape or glue, depending on the kit’s design. Ensure all connections are tight and properly aligned to prevent leaks. Test the fit by placing the drain assembly into the shower pan or floor to confirm it sits flush and at the correct height.
After the drain body is in place, reconnect the plumbing. Attach the drain pipe to the new assembly, using threaded connections or glue as required. Double-check that all joints are sealed and secure. Apply a bead of silicone caulk around the top of the drain to create a waterproof seal with the shower floor. Allow the caulk to dry completely before proceeding.
Finally, test the drain to ensure it functions properly. Turn the water supply back on and run water through the shower to check for leaks. If no issues are detected, replace the drain cover and reapply caulk around the edges for a finished look. Using a drain relocation kit is a practical and cost-effective way to fix a shower drain that is too high, saving you from the hassle of a full shower renovation.
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Cutting and Lowering Drain Pipe
When a shower drain is installed too high, it can lead to poor drainage and standing water, which may cause mold, mildew, or structural damage over time. One effective solution is to cut and lower the drain pipe to achieve the proper slope for efficient water flow. This process requires careful planning, precise measurements, and the right tools. Begin by turning off the water supply to the shower and ensuring the area is dry to avoid slipping or electrical hazards. Gather essential tools such as a reciprocating saw or PVC cutter, new PVC pipes, primer, cement, a measuring tape, and a level. Safety gear, including gloves and goggles, is also crucial to protect yourself during the cutting and installation process.
Assessing and Measuring the Drain Pipe
Before making any cuts, assess the existing drain pipe to determine how much needs to be lowered. Use a level to check the current slope of the pipe, aiming for a standard gradient of 1/4 inch per foot for proper drainage. Measure the distance from the shower base to the existing drain pipe and calculate the required height adjustment. Mark the pipe at the point where it needs to be cut, ensuring the new slope aligns with the shower’s drain outlet. Double-check your measurements to avoid errors, as cutting too much or too little can complicate the repair. If the pipe is encased in a wall or floor, you may need to open up the surrounding area to access it fully.
Cutting the Drain Pipe
With the measurements confirmed, proceed to cut the drain pipe at the marked location. If the pipe is PVC, use a PVC cutter or reciprocating saw with a fine-tooth blade to ensure a clean, straight cut. For metal pipes, a reciprocating saw with a metal-cutting blade is necessary. Work slowly and carefully to avoid damaging surrounding structures or utilities. Once the cut is complete, remove the upper section of the pipe, leaving the lower portion intact. Smooth any rough edges with sandpaper or a file to ensure a secure fit for the new pipe section. If the pipe is part of a larger plumbing system, cap or plug the open end temporarily to prevent debris from entering.
Lowering and Reattaching the Drain Pipe
After cutting the pipe, measure and cut a new section of PVC pipe to bridge the gap created by lowering the drain. Ensure the new piece aligns with the desired slope, using a level to verify accuracy. Apply PVC primer to the ends of both the existing pipe and the new section, followed by PVC cement to create a watertight seal. Insert the new pipe and hold it in place until the cement sets, typically a few minutes. If additional support is needed, use pipe straps or hangers to secure the new section to the wall or floor. Once the connection is secure, reattach the shower drain assembly, ensuring it sits flush with the shower base.
Testing and Finalizing the Repair
With the drain pipe lowered and reattached, test the shower to ensure proper drainage. Run water through the shower and observe the flow, checking for leaks at the newly cemented joints. If leaks are detected, tighten connections or reapply cement as needed. Once the drainage is confirmed to be functioning correctly, seal any openings in walls or floors that were created during the repair process. Apply caulk or another appropriate sealant around the shower drain to prevent water from seeping behind the fixture. Regularly inspect the drain and pipe for any signs of wear or damage to maintain long-term functionality and prevent future issues.
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Consulting a Professional Plumber
When faced with a shower drain that is installed too high, consulting a professional plumber is often the most reliable and efficient solution. Professional plumbers have the expertise, tools, and experience to assess the issue accurately and implement the correct fix. Start by researching local plumbers with positive reviews and certifications, ensuring they have experience with shower drain installations and adjustments. Many plumbing companies offer free consultations or estimates, so take advantage of this to get a clear understanding of the problem and the potential costs involved.
During the consultation, the plumber will likely inspect the shower drain and the surrounding plumbing system to identify the root cause of the issue. They may need to examine the drain’s height relative to the shower floor, check for improper grading, or assess if the drain was incorrectly installed. A professional plumber will explain their findings in detail, providing you with a clear picture of why the drain is too high and what needs to be done to fix it. This step is crucial, as it ensures you understand the scope of the work and can make an informed decision.
Once the problem is diagnosed, the plumber will propose a solution tailored to your situation. Common fixes for a shower drain that is too high include adjusting the drain assembly, regrading the shower floor, or installing a new drain at the correct height. A professional plumber will discuss the pros and cons of each option, considering factors like cost, time, and the impact on your bathroom’s structure. They will also ensure that any modifications comply with local building codes and plumbing standards, avoiding potential issues down the line.
Hiring a professional plumber not only guarantees a high-quality fix but also saves you time and effort. Attempting to adjust a shower drain yourself can lead to mistakes, such as damaging pipes or creating leaks, which can be costly to repair. A plumber will handle the job efficiently, using specialized tools and techniques to ensure the drain is properly aligned and functioning correctly. Additionally, many plumbing services offer warranties or guarantees on their work, providing peace of mind that the issue will be resolved correctly.
Finally, consulting a professional plumber can help you avoid future problems. They can identify underlying issues, such as poor initial installation or drainage problems, that may have contributed to the drain being too high. By addressing these concerns, the plumber ensures that the fix is long-lasting and prevents recurring issues. While it may involve an upfront cost, hiring a professional is an investment in the durability and functionality of your shower, ultimately saving you money and hassle in the long run.
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Frequently asked questions
If water pools around the drain instead of flowing directly into it, or if the shower pan is not level, your drain may be installed too high.
You’ll need a screwdriver, pliers, a utility knife, a hacksaw or reciprocating saw, a new drain assembly, and possibly a drain extension kit.
In some cases, yes. You can use a drain extension or adjust the existing drain assembly, but if the drain is too high due to improper installation, you may need to replace the shower pan.
Remove the existing drain, trim the pipe to the correct height using a hacksaw or reciprocating saw, and reinstall the drain assembly with a new gasket and screws.
If you’re unsure or uncomfortable with plumbing work, it’s best to hire a professional plumber to ensure the job is done correctly and safely.











































