How To Replace An Undermount Sink

Replacing an undermount sink may seem like a daunting task, but it can be completed with a few simple steps. Here's a detailed guide to help you replace your undermount sink like a pro:

Tools and Materials Required:

New undermount sink
Plumber's putty
Caulk gun
Butyl tape
Putty knife
Utility knife
Adjustable wrench
Basin wrench
Measuring tape
Level

Step-by-Step Instructions:

Safety First: Before you begin, turn off the water supply to the sink and disconnect the drainpipe.
Remove the Old Sink: Use a utility knife to carefully cut the caulk around the edges of the sink. Loosen the mounting clips or screws holding the sink in place and gently lift it out of the countertop.
Clean the Countertop: Remove any remaining caulk, debris, or residue from the countertop surface where the sink will sit.
Apply Plumber's Putty: Roll out a rope of plumber's putty into a thin bead and place it around the drain hole on the underside of the new sink.
Set the Sink: Carefully position the new sink into the cutout on the countertop, ensuring it sits evenly. Press down firmly to create a seal between the putty and the countertop.
Secure the Sink: Install the mounting clips or screws that came with the sink and tighten them securely, but do not overtighten.
Apply Caulk: Use a caulk gun to apply a thin bead of silicone caulk around the edges of the sink where it meets the countertop. Smooth the caulk with your finger or a putty knife.
Reconnect the Drainpipe: Reattach the drainpipe to the new sink and tighten the fittings securely.
Reconnect the Water Supply: Turn on the water supply and check for any leaks. If there are any leaks, tighten the connections or apply additional caulk as needed.

Tips for Success:

Measure the cutout on your countertop before purchasing a new sink to ensure a proper fit.
Use high-quality plumber's putty and caulk.
Apply a thin, even bead of caulk to prevent water damage.
If the sink is too heavy, get assistance from a partner to lift it into place.
Let the caulk dry completely before using the sink.

Replacing an undermount sink is a straightforward process that can be completed in a few hours. By following these steps and tips, you can ensure a successful installation and enjoy your new sink for years to come.