
Removing a Lasco shower drain can seem daunting, but with the right tools and a step-by-step approach, it’s a manageable DIY task. Lasco drains are commonly found in many showers and are designed for durability, but over time, they may need replacement due to clogs, leaks, or wear. The process typically involves unscrewing the drain cover, removing any screws or fasteners holding the drain in place, and carefully lifting the assembly out of the shower pan. It’s important to have a screwdriver, pliers, and possibly a drain key on hand, as well as a replacement drain if needed. Following a detailed guide ensures you avoid damaging the shower pan or plumbing while successfully removing the old Lasco drain.
| Characteristics | Values |
|---|---|
| Tools Required | Screwdriver, pliers, utility knife, putty knife, replacement drain (optional) |
| Difficulty Level | Moderate |
| Time Required | 30 minutes to 1 hour |
| Steps | 1. Remove the screw cover and screw from the drain center. 2. Pry up the drain flange using a putty knife or screwdriver. 3. Lift the drain assembly out of the shower base. 4. Clean the area and install a replacement drain if needed. |
| Common Issues | Corroded screws, stubborn flange, damaged drain threads |
| Safety Tips | Wear gloves, avoid forcing tools to prevent damage to the shower base |
| Compatibility | Specific to Lasco shower drains; other brands may vary |
| Maintenance Tip | Regularly clean the drain to prevent buildup and corrosion |
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What You'll Learn

Tools needed for removal
Removing a Lasco shower drain requires a precise set of tools to avoid damaging the drain or surrounding tile. The first essential tool is a screwdriver, preferably Phillips-head, as many Lasco drains are secured with screws hidden beneath the drain cover. Ensure the screwdriver fits snugly to prevent stripping the screw head, which could complicate the removal process.
Next, a putty knife or pry bar is indispensable for gently lifting the drain cover. Apply even pressure to avoid bending or cracking the cover, especially if it’s made of plastic. For stubborn covers, a flathead screwdriver can be used as a lever, but exercise caution to prevent scratching the drain’s surface.
For drains secured with a threaded collar, a pair of adjustable pliers or a wrench is necessary. Grip the collar firmly and turn counterclockwise to loosen it. If the collar is corroded, apply a penetrating oil like WD-40 and allow it to sit for 10–15 minutes before attempting removal.
Finally, a tubing cutter or hacksaw may be required if the drain pipe needs to be severed. Measure twice before cutting to ensure the new drain fits properly. Always wear safety goggles when using cutting tools to protect against debris. With these tools, the removal process becomes straightforward and efficient.
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Steps to unscrew drain cover
The Lasco shower drain cover is typically secured with a screw mechanism, often hidden beneath a discreet cap or directly exposed. To begin the removal process, locate this screw, which is usually positioned at the center of the drain cover. It may be a Phillips-head or flathead screw, so having both types of screwdrivers on hand is advisable. Ensure the screwdriver fits snugly into the screw head to avoid stripping, which can complicate the process.
Once the screw is identified, apply gentle but firm pressure to turn it counterclockwise. If the screw is tight or corroded, using a penetrating oil like WD-40 can help loosen it. Allow the oil to sit for 10–15 minutes before attempting to unscrew again. For added leverage, consider using a screwdriver with a longer handle or attaching a rubber band around the screw head to enhance grip. Avoid excessive force, as this can damage the screw or surrounding material.
After the screw is removed, carefully lift the drain cover straight up. Some covers may have additional clips or tabs that secure them in place. If resistance is felt, inspect the edges of the cover for these clips and gently pry them loose using a flathead screwdriver or a thin tool like a putty knife. Work slowly to avoid bending or breaking the cover, especially if it’s made of plastic or thin metal.
In cases where the drain cover remains stuck despite removing the screw and clips, corrosion or mineral buildup may be the culprit. Soaking the area with white vinegar or a commercial descaling agent for 30 minutes can help dissolve these deposits. Afterward, use a pair of pliers or a drain key tool to grip the cover firmly and twist it counterclockwise until it releases. Always protect the drain edges with a cloth to prevent scratching during this step.
Finally, once the cover is removed, inspect the drain for debris, hair, or other obstructions. Cleaning the drain and cover thoroughly before reinstallation ensures optimal functionality. If the screw or cover is damaged, consider replacing them with compatible parts from a hardware store. Proper maintenance and periodic checks can prevent future issues, making the removal process smoother in the long run.
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Cleaning hair and debris buildup
Hair and debris buildup in shower drains is a common issue that can lead to slow drainage or complete blockages. The Lasco shower drain, like many others, is particularly susceptible to this problem due to its design and frequent use. Over time, strands of hair, soap scum, and other particles accumulate, forming a stubborn mass that restricts water flow. Addressing this buildup promptly not only prevents clogs but also maintains the overall hygiene of your bathroom.
To effectively clean hair and debris from a Lasco shower drain, start by removing the drain cover. Most Lasco drains have a screw or a series of screws holding the cover in place. Use a screwdriver to carefully lift the cover, ensuring you don’t damage the finish. Once removed, inspect the drain for visible hair and debris. Often, a significant portion of the blockage can be extracted manually using a pair of needle-nose pliers or a bent wire hanger. For deeper clumps, a drain snake or zip-it tool can be inserted to break up and pull out the remaining material.
Chemical cleaners can be an alternative for breaking down buildup, but they should be used cautiously with Lasco drains. Opt for enzyme-based or natural cleaners, as harsh chemicals can corrode the drain’s components over time. Pour half a cup of baking soda followed by half a cup of white vinegar into the drain, let it fizz for 15–20 minutes, and then flush with hot water. This method is safe for most drain materials and effectively dissolves organic matter. However, avoid using boiling water, as it can warp plastic parts in older Lasco models.
Prevention is key to minimizing future buildup. Install a hair catcher over the drain to trap debris before it enters the pipes. Clean the catcher regularly, and periodically pour a mixture of hot water and dish soap down the drain to keep it clear. For households with long-haired individuals or pets, weekly maintenance is recommended. By combining these proactive measures with occasional deep cleaning, you can ensure your Lasco shower drain remains free-flowing and functional.
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Replacing damaged drain parts
Before attempting to replace damaged drain parts in your Lasco shower drain, it's essential to identify the specific components that require attention. Lasco shower drains typically consist of a strainer, a screw or bolt, and a drain body. Over time, these parts can corrode, crack, or become loose due to regular wear and tear, mineral buildup, or improper installation. Start by inspecting the strainer for visible signs of damage, such as rust or deformation. If the screw or bolt is stripped or difficult to turn, it may need replacement. Understanding which parts are damaged will streamline the removal and replacement process, ensuring you have the correct tools and replacement components on hand.
Once you’ve identified the damaged parts, gather the necessary tools for the job. Common tools include a flathead or Phillips screwdriver, needle-nose pliers, a putty knife, and a replacement drain assembly compatible with your Lasco model. Begin by removing the strainer, which is often secured by a central screw. Use the appropriate screwdriver to loosen and remove this screw, then lift the strainer out of the drain. If the screw is stuck, apply penetrating oil and allow it to sit for 10–15 minutes before attempting again. For stubborn strainers, use a putty knife to gently pry it loose, taking care not to damage the surrounding shower surface. Always work methodically to avoid forcing parts, as this can exacerbate damage or complicate the replacement process.
After removing the strainer, inspect the drain body for damage, such as cracks or corrosion. If the drain body is compromised, it will need to be replaced entirely. To do this, locate the screws or bolts securing the drain body to the shower pan. These are typically found underneath the shower, accessed through the ceiling or a crawl space. Loosen and remove these fasteners, then carefully lift the drain body out. When installing the new drain body, ensure it aligns properly with the shower pan and is secured tightly to prevent leaks. Apply plumber’s putty or silicone sealant around the edges for added waterproofing, following the manufacturer’s instructions for drying times and application thickness.
Finally, reinstall the new strainer and secure it with the replacement screw, ensuring it sits flush with the shower floor. Test the drain by running water through it to check for leaks or proper flow. If you encounter resistance or slow drainage, remove the strainer and inspect for debris or misalignment. Regular maintenance, such as monthly cleaning with a mixture of baking soda and vinegar, can prevent future damage and extend the life of your drain parts. By addressing damaged components promptly and using the correct tools and techniques, you can restore your Lasco shower drain to optimal functionality, avoiding more costly repairs down the line.
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Reassembling the shower drain properly
After removing the Lasco shower drain, reassembling it correctly is crucial to prevent leaks, ensure proper drainage, and maintain the longevity of your shower system. Start by inspecting all components for damage or wear. Replace any cracked or corroded parts, such as the drain body, gasket, or screw, to avoid future issues. Clean the threads of the drain body and the shower pan thoroughly to ensure a secure fit. Apply a thin layer of plumber’s putty or silicone sealant around the drain flange to create a watertight seal, but avoid overusing it to prevent excess from seeping into the drain.
The reassembly process begins with positioning the drain body back into the shower pan. Hand-tighten the drain screw from below, ensuring the gasket is properly seated between the drain and the pan. Use a screwdriver or wrench to secure the screw, but be cautious not to overtighten, as this can damage the threads or crack the pan. Test the tightness by gently tugging the drain from above; it should feel firmly anchored without excessive movement. If the drain wobbles, loosen the screw slightly, realign the drain, and tighten again.
Next, reattach the strainer or cover plate to the drain body. Align the screw holes and secure the plate with the provided screws, ensuring they are tight enough to hold the strainer in place but not so tight that they strip the threads. For added durability, consider using thread-locking adhesive on the screws, especially in high-moisture environments. Once the strainer is in place, test the drain by running water through it to ensure proper flow and check for leaks around the drain edges.
A common mistake during reassembly is neglecting to align the drain components correctly. Misalignment can lead to leaks or difficulty in securing the parts. To avoid this, use a level to ensure the drain body sits flush with the shower floor. If the drain has a hair catcher or additional components, reassemble them in the order specified by the manufacturer’s instructions. For Lasco drains, refer to the model-specific guide or consult online resources for detailed diagrams.
Finally, allow any sealant or putty to cure fully before using the shower, typically 24 hours. During this time, avoid placing heavy objects on the drain or disturbing the assembly. Regular maintenance, such as cleaning the strainer and checking for loose screws, will keep the drain functioning optimally. Proper reassembly not only restores functionality but also prevents water damage and mold growth, saving time and money in the long run.
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Frequently asked questions
Check for the Lasco logo or markings on the drain cover or strainer. If not visible, consult the original plumbing documentation or contact a professional for identification.
You’ll typically need a screwdriver, pliers, a drain key (if applicable), and possibly a putty knife or pry bar to remove the drain cover and assembly.
Yes, most Lasco shower drains can be removed with basic DIY skills. However, if the drain is stuck or damaged, consider hiring a plumber to avoid further issues.
Apply penetrating oil (e.g., WD-40) around the edges of the drain and let it sit for 15-30 minutes. Use a pry bar or pliers gently to loosen and lift the drain cover.
Use a screw extractor tool to remove stripped screws. For corrosion, apply vinegar or a rust remover, then use pliers or a wrench to carefully turn and remove the screws.











































