Kitchen Countertops: How to Repair Kitchen Countertops

Quick guide to solve common problems and how to repair kitchen countertops

How to Repair Kitchen Countertops

The following are the most common problems that contractors face when installing kitchen countertops and how to repair them.


  1. Problem #1 Rupture Kitchen Countertop- A kitchen countertop that has been installed over a unleveled surface, it was poorly jointed, or when the glue was not allowed to dry. A rupture countertop could also be due to extremely high loads placed with insufficient support below it, or over a small countertop area, specially that small area in front of the sink.
    1. Solution: To solve this, you might want to try to reconnect the countertop surfaces using manufacturer’s recommended adhesive. If the countertop presents cracks over its surface, try to cut the crack slightly wider, enough so it might be stuffed with materials that resemble that of the surface, and then polish and buffer it. This cannot be done in plastic laminate countertop.
    2. If the countertop has been punctuated by a heavy object, you must need to drill the hole, to make it round and stuff it using special adhesive, same color as countertop.
  2. Problem #2 Crack on the Edge of Fixture or Appliance- This problem normally is causes by a faulty installation without the required support under the countertop. This could occur in front of the stove, sink or in large unsupported areas of kitchen countertops. To prevent this, be sure that the cabinet where the stove will be placed has openings for heat dissipation. Also be sure to check that additional supports have been installed under these areas, and be sure that long unsupported areas have additional reinforcements under the countertop.
  3. Problem #3 Rupture Backsplash- The backsplash of a countertop could easily be damaged when it is being transported to be installed. To solve this keep the broken part and glued it to the countertop surface. Use manufacturer’s recommended glue and polish the new joint with sand papers.
  4. Problem #4 Wrong Design- One of the most recurrent problem in kitchen remodeling. Sometimes when the old countertop and kitchen cabinets hasn’t been removed or if you have added walls in the new layout, wrong measurements could bring a lot of problems. Problems such as vertical or horizontal surfaces not flat, short or long countertops, wrong angles or maybe you don’t planned how to get the new countertop into the proposed location, could be a headache if you don’t know how to deal with it. In such cases maybe the only solution is to cut that new countertop into pieces. If you have to do that, be aware that you might need special clamps to adjoin both surfaces, and finish the top joint with some type of glue with the same color as the countertop surface. To install those clamps you might need special wood pieces below the countertop where these clamps will be installed permanently. If you don’t want to use clamps, maybe you could try to glue the surfaces following the previous recommendations.
  5. When the walls are not vertical or horizontal as they should be; install the countertop as planned and then fill or correct the wall surface with some plaster additive or other product. Be sure to protect the countertop with heavy polyethylene plastic wrap.
  6. Problem #5 Sink or Water Leakage- When the sink has been installed and not sealed properly all around the joint, water could get to the inside of the kitchen cabinets and water could ruin them. Be sure to check thoroughly that the sink was sealed properly with silicone all around the sink joint and check drainage pipes. Be sure to check dimensions where the hot and water supply lines are located so you can plan ahead and have the right openings for these water pipes. If you have the wrong measurements, carry a router and make oval openings allowing the rough-in to be in place. Be sure to seal around these openings with caulk or foam to keep pests away from the kitchen cabinets.