Expert Undermount Sink Repair Services in Columbia, SC

If you have an undermount sink that has begun to separate from a countertop, it is just a matter of time until it falls completely out. This can lead to broken plumbing pipes and flooding water into your kitchen.

If you have an undermount sink that needs to be repaired or replaced, call for a free estimate.


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Is your undermount sink falling off the countertop? Call 803-776-5454

Who doesn’t love undermount sinks? They’re sleek, modern, easy to clean and fit
seamlessly with your elegant natural stone countertop. There’s only one catch –
with time, and for a variety of reasons, you may notice your sink is starting
to separate from the countertop and it may eventually fall off.

If this happens, request expert undermount sink repair or replacement services
from Carolina Custom Granite.

How we do it: Undermount sink reattachment service

Through experience, we’ve perfected the skill of undermount kitchen sink repair and our customers can attest to our tried and tested method. Here’s how we fix your fallen sink within a 1-2 day turnaround.

  1. Call and appointment Setting. Give us a call at 803-776-5454 and set schedule an appointment.
  2. Home visit and Assessment. We inspect the site, assess the under counter sink situation and determine the right way to repair.
  3. Cleaning and preparation. To ensure minimum disruption and a clean workspace.
  4. Fixing undermount sink to granite. Based on the assessment, we secure the sink to your countertop using a situation-specific support system.
  5. Finishing and Inspection. Together with you, we’ll inspect the work and only finalize once you’re fully satisfied.

What causes an undermount sink to detach or fall of?

A sagging undermount sink isn’t an unusual occurrence, and there’s a good reason why.

The nature and design of an undermount sink mean its weight isn’t suspended on the countertop for support. It needs some other way to be supported, usually done with glue and brackets.

However, several factors can cause your undermount sink to fall off or drop:

  • Inadequate Adhesive: Using the wrong type of adhesive or not applying enough can lead to the sink detaching from the countertop. The adhesive must be strong enough to support the sink's weight and withstand daily use.
  • Improper Installation: If the sink isn’t properly installed with evenly distributed support, it can become loose over time. Incorrect positioning of clips or brackets can lead to uneven stress and eventual sagging.
  • Weak or Insufficient Clips: The mounting clips or brackets need to be robust and correctly installed to hold the sink securely. If they are weak, improperly installed, or too few in number, they may fail to support the sink.
  • Heavy Use or Overloading: Placing excessive weight in the sink, such as heavy pots and pans, can strain the adhesive and mounting hardware, causing the sink to sag or detach.
  • Water Damage: Over time, water can seep into the adhesive or mounting points, especially if the seal around the sink is not properly maintained. This can weaken the bond between the sink and the countertop.
  • Countertop Material Issues: Some countertop materials, particularly those that are porous or prone to degradation over time, may not hold the adhesive as effectively. This can be a particular issue with natural stone countertops if not properly sealed.
  • Aging Adhesive: Adhesives can degrade over time due to temperature fluctuations, humidity, and chemical exposure, leading to a loss of bonding strength.


Carolina custom Granite - For expert fallen undermount sink repair services