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Q.

What is the Difference Between Drop In and Undermount Sink?

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0 2025-10-21T09:27:13+00:00

The main difference between drop in and undermount sink is their installation method. A drop-in sink is fitted from above with a visible rim resting on the countertop. It is also known as a self-rimming sink or top-mount sink. However, an undermount sink is mounted beneath the countertop to create a seamless appearance. 

Difference Between Drop In Sink and Undermount Sink

As an interior student, let me tell you, there are two primary types of kitchen sinks that you will frequently encounter when choosing one: drop-in and undermount. To find out which one is better, you must learn their differences. Here are a few differences.

Installation: Drop-In Sinks Win

Homeowners may set up a drop-in kitchen sink themselves as long as it is a one-to-one replacement. The drop-in Sink is inserted into a pre-cut hole, with the rim sitting on top of the counter. 

Undermount sinks, on the other hand, demand far more careful attention to detail during installation. They must be installed and supported temporarily while the clip sites are noted.

Cleaning: Drop-In Sinks Win

One of the most inconvenient aspects of undermount sinks is the space at the top where it meets the counter. Drop-in sinks make all working areas visible and accessible. You have greater reach and visibility while cleaning the drop-in sink compared to the undermount sink.

Durability: Undermount Sink Wins

As undermount sinks are constructed from higher-quality materials, they are more durable. However, because of the possibility of rim damage, drop-in sinks are less robust than undermount sinks.

Countertop Space: Undermount Sinks Win

Undermount sinks allow the countertop to reach the sink and even beyond. It is the best option if space is limited and you require every square inch of counter space. But drop-in sinks occupy more counter space because the rim is visible.

Cost: Drop-In Sinks Win

As drop-in sinks are made to be installed by just dropping them into a hole in the countertop, they are usually less expensive than undermount sinks.

The choice between an undermount or drop-in sink ultimately comes down to your preferences and the particular requirements of your bathroom or kitchen. I hope you understand the difference between drop in and undermount sink. 

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