How to install a sink in a laundry room?

Aug 05, 2025

Installing a sink in a laundry room can significantly enhance the functionality and efficiency of the space. As a leading sinks supplier, I've witnessed firsthand the transformative power of a well - installed sink in a laundry area. In this blog, I'll guide you through the step - by - step process of installing a sink in your laundry room, ensuring that you achieve a professional and long - lasting result.

Under-mount Bathroom Square Ceramic Sinks (YLT-#2001), Undercounter Bathroom Sink Whiteundermount ceramic square sink

Step 1: Planning and Preparation

Before you start any installation project, it's crucial to plan carefully. First, measure the available space in your laundry room. Consider the dimensions of the sink you want to install, including its length, width, and depth. Make sure there is enough clearance for the sink, as well as for any plumbing connections.

Think about the type of sink that will best suit your needs. For a laundry room, a durable and large - capacity sink is often ideal. We offer a variety of sinks, such as the Rectangle Under - mount Bathroom Ceramic Sink (YLT - #2004), which provides a spacious and sleek option.

Next, gather all the necessary tools and materials. You'll need a drill, a level, a jigsaw, a wrench set, plumber's putty, a sink strainer, a faucet, and of course, the sink itself. Additionally, ensure that you have access to shut - off valves for the water supply and a drainpipe connection.

Step 2: Prepare the Countertop

If you're installing a new countertop along with the sink, this is the time to install it. Measure and cut the countertop to fit the space in your laundry room. Make sure it is level and securely fastened to the cabinet base.

If you're using an existing countertop, you'll need to cut an opening for the sink. Place the sink upside down on the countertop and trace its outline. Use a jigsaw to carefully cut along the traced line. Be extra cautious during this step to avoid any splintering or damage to the countertop.

Step 3: Install the Sink Strainer

Before installing the sink, it's important to install the sink strainer. Apply a thin layer of plumber's putty around the top edge of the strainer hole in the sink. Insert the strainer into the hole from the top of the sink and tighten the locknut from underneath. Use a wrench to ensure a secure fit. Wipe away any excess putty.

Step 4: Position the Sink

Carefully place the sink into the opening in the countertop. Make sure it is centered and level. You can use shims to adjust the height if necessary. Once the sink is properly positioned, apply a bead of silicone caulk around the edge of the sink where it meets the countertop. This will prevent water from seeping between the sink and the countertop.

Step 5: Connect the Water Supply

Turn off the water supply to the laundry room. Connect the hot and cold water supply lines to the faucet. Use adjustable wrenches to tighten the connections, but be careful not to overtighten and damage the pipes.

Next, connect the faucet to the sink. Most faucets come with instructions on how to install them. Generally, you'll need to insert the faucet through the holes in the sink and secure it from underneath using mounting nuts.

Step 6: Connect the Drain

Connect the sink drain assembly to the sink strainer. This usually involves attaching the P - trap to the drainpipe under the sink. Make sure all the connections are tight and properly sealed with plumber's tape or caulk.

If your laundry room has an existing drainpipe, connect the sink drain to it. If not, you may need to install a new drainpipe. This can be a more complex task and may require professional assistance.

Step 7: Test the Installation

Once all the connections are made, turn on the water supply and check for any leaks. Run water through the sink and look for water dripping from the connections or around the sink edges. If you find any leaks, tighten the connections or add more caulk as needed.

Let the water run for a few minutes to ensure that the drain is working properly. Check that the water drains quickly and there are no clogs.

Step 8: Finishing Touches

After testing the installation and ensuring that everything is working correctly, let the caulk dry completely. This usually takes about 24 hours. Once the caulk is dry, clean the sink and the countertop to remove any fingerprints or debris.

You can also add some accessories to your laundry room sink, such as a soap dispenser or a drying rack, to enhance its functionality.

Additional Tips

Conclusion

Installing a sink in your laundry room can be a rewarding project that adds value and functionality to your home. By following these steps and using high - quality sinks from our range, you can achieve a beautiful and efficient laundry room sink installation.

If you're interested in purchasing a sink for your laundry room or have any questions about our products, we'd love to hear from you. Contact us for a detailed discussion about your requirements, and let's work together to find the perfect sink solution for your space.

References

  • "Home Plumbing Handbook" by James Carey
  • "DIY Plumbing Projects for Beginners" by Tom Silva