"My kitchen cabinets are falling apart — repair or replace?"

Why kitchen cabinets fall apart — and what kind of failure you're really dealing with

Most kitchen cabinets built since the 1980s use cabinet boxes made from particleboard or medium-density fiberboard (MDF) — compressed wood fiber and resin pressed into flat panels. These materials are cost-effective and perfectly serviceable in dry conditions, but they have one critical weakness: they absorb moisture. Once the core gets wet — from a slow leak under the sink, years of steam from a nearby pot, or even high ambient humidity — the fibers swell, the glue bonds break down, and the panel loses its structural rigidity. What started as a small soft spot progresses to visible swelling, peeling laminate surfaces, and eventually boxes that can no longer support their own weight or hold a screw.

The good news is that not every failing cabinet has a compromised box. A large portion of what looks catastrophic is actually cosmetic or mechanical: worn hinge hardware, broken drawer slides, delaminating door fronts, failed finishes, or loose face frames. These failures are almost always repairable for a fraction of the cost of replacement — and the fix holds just as long as the original, sometimes longer if you use better hardware than what came with the cabinets originally.

The single most important diagnostic step is to distinguish between box failure and surface or hardware failure. If the box — the four walls, floor, and back panel of each cabinet — is still firm and square, you have options. If the box itself is soft, swollen, or crumbling, repair becomes a patch job on a failing foundation, and replacement is the honest answer.

Cabinet problems aren't all the same — what kind of "falling apart" are you seeing?

The repair-or-replace answer shifts significantly depending on where and how the failure is showing up. Pick the description that best matches what you're experiencing.

What happens if you leave it alone — and when the clock starts working against you

Hardware failures and cosmetic issues are generally slow-moving problems. A sagging door won't fix itself, but it also won't get dramatically worse in the next month — you have time to make a considered decision. Water damage is a completely different story. A cabinet box that is actively wet or was recently saturated is often harboring mold inside the wall cavity behind it, and the damage spreads to adjacent cabinets and subflooring the longer it sits. If you can smell a musty odor when you open the cabinet door, that's no longer just a cabinet problem.