What type of countertop do you need for an undermount sink?

Author: Golden Wintheiser  |  Last update: Wednesday, January 28, 2026

Undermount sinks are recommended for granite, solid surface and quartz countertops, but may not be as effective with laminate. They can be more expensive than drop-in sinks.

What does an undermount sink sit on?

Undermount sinks & worktops

If you are opting for an undermount sink then you will need a solid surface worktop like quartz, granite or even wood, so that any water splashes will run straight back off the edges around the sink back into the bowl.

Can you do an undermount sink with a laminate counter?

Undermount sinks are typically used only with solid surface counter tops like granite, marble or quartz. The edge of the counter top is exposed to water, so laminate counter tops are not recommended. Otherwise you run the risk of water damage, completely ruining the countertop.

What is the best material for an undermount sink?

Stainless steel sinks are widely regarded as one of the most durable options for undermount kitchen sinks. They are resistant to corrosion, stains, and heat. Granite composite sinks, made from a blend of crushed granite stone and resin, are also highly durable and resistant to scratches, chips, and stains.

What holds an undermount sink in place?

Many undermount sink types are attached to the countertop with silicone sealant and metal clips.

Karran Undermount Sink for Laminate

Why do undermount sinks fall?

Adhesive deterioration: Since adhesives break down over time, a sink can fall if it's no longer secured. Improper installation: The sink may not have been installed properly. Corroded hardware: Hardware, like mounting clips, can corrode and fail to secure a sink.

What kind of counter do I need for an undermount sink?

Undermount sinks are recommended for granite, solid surface and quartz countertops, but may not be as effective with laminate. They can be more expensive than drop-in sinks.

What are the negatives of undermount sinks?

On the other hand, there are downsides of undermount sinks:
  • They require more solid countertops to support their weight.
  • They occupy space that you may prefer to utilize for storage.
  • They are more challenging to install and replace.
  • They are more expensive.

What to look for when buying an undermount sink?

How to Choose an Undermount Sink
  1. Kitchen and Sink Size. Before starting your renovation project, measure your kitchen countertop and the surrounding area. ...
  2. Sink Material. ...
  3. Bowl Construction. ...
  4. Design and Style. ...
  5. Sink Depth. ...
  6. Check if It Goes Well with Your Countertop. ...
  7. Soundproof. ...
  8. Budget.

Can you have an undermount sink with solid surface countertops?

Undermount sinks are the most common sink chosen for granite, marble, quartz, and all other solid surface countertops.

Can you replace an undermount sink without replacing countertop?

Yes! It is possible to replace a kitchen sink without replacing your current countertops. Depending on the style of your kitchen and your countertop material, some replacements may be more difficult than others and it can require some additional work.

What is the best worktop for an undermount sink?

Undermounted Sinks: The Facts

Worktop Compatibility: This sink is best suited for solid surfaces like solid wood, marble, granite etc.

Can I have an undermount sink with laminate countertop?

What undermount sink materials can be paired with Formica® Laminate countertops? To be undermounted to high pressure laminate (HPL), a sink must have an approximately 1-inch rim made from resin. It needs to have been machined completely flat, so it meets the bowl wall at a 90-degree angle.

Do undermount sinks go in before countertop?

It's very important to install an undermount kitchen sink before the countertop slabs are set down. Once the countertop slabs are set down, you usually will not be able to fit the sink through the hole, and you won't be able to properly seal between the sink and the underside of the countertop.

How long do undermount sinks last?

An undermount sink should last for a decade or two, but the sink may need maintenance every few years to prevent bacteria buildup. You should replace the caulk between the gap of the sink and the countertop every three to five years to keep it fresh and clean.

Why do people like undermount sinks?

An undermount kitchen sink is easier to clean. Since your countertops are below your sink, there will be little need for scrubbing them. You will also have less counter space, so cleaning will take less time. With less counter space, you will also have less waste from pans and pots.

What is the most durable undermount kitchen sink?

1. Stainless Steel. When choosing your kitchen sink, you pretty much can't go wrong with stainless steel. This top kitchen sink material is extremely durable and able to withstand heavy drops from pots and pans while also resisting scratches from sharp knives and utensils.

What is the cheapest countertop for an undermount sink?

Laminate countertops are a budget-friendly option for undermount sinks. Laminate countertops are easy to clean and maintain, but they can be scratched or damaged by heat.

Do quartz countertops require an undermount sink?

There are five common types of mounting installation options for a sink into your quartz countertop: drop-in, undermount (Zero Reveal, Positive Reveal and Negative Reveal) and farmhouse sink.

What supports an undermount sink?

How Are Undermount Sinks Attached? Undermount sinks are attached directly to the underside of the countertop. They work best with solid-surface countertops, such as granite or marble, because they need the strength for support. They can be attached with various methods, including a two-part epoxy, clips and brackets.

Are undermount sinks going out of style?

Undermount sinks are among the most popular trends that will thrive well into 2024. While top-mount sinks have a mount on top of the countertop, an undermount kitchen sink installation mounts the sink installation under the countertop.

Can you replace an undermount sink without removing the countertop?

The short answer to the question, “Can you replace a kitchen sink without replacing the countertop?” is yes, you can replace one and not the other. However, it isn't as simple as picking out a new sink and installing it yourself.

Should there be a gap between undermount sink and countertop?

While undermount sinks win for cleaning around the sink, they can be challenging to clean under the sink. There's often a gap where the sink meets the counter, which is difficult to reach. The solution is to use a quality sealant when installing your undermount sink to ensure the gap stays waterproof and bacteria-free.

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