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Pool Structural Damage: How to Spot and Fix Structural Cracks in Your Swimming Pool

Pool Structural Damage: How to Spot and Fix Structural Cracks in Your Swimming Pool

By
John Burkett
June 23, 2026
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A close-up shot of a Leak Rescue technician inspecting a visible crack along the shell of an in-ground swimming pool in a Cullman, AL backyard. The pool is partially drained, showing the crack running along the plaster surface near the tile line. The Leak Rescue van is visible in the driveway. Bright natural daylight, professional setting.

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Your swimming pool is built to last. But over time, even the best pools can show signs of structural damage. Cracks in the pool shell, loose tile, sinking deck areas, and shifts in coping stones are all red flags. If you ignore structural problems, they get worse fast.

For pool owners in Cullman, AL, soil conditions, weather swings, and normal wear and tear all play a role. The good news is that most pool structural damage can be fixed when you catch it early. And that is where Leak Rescue comes in. Our repair experts can help you find the problem, fix it right, and keep your pool safe for years to come.

What Causes Structural Damage in a Swimming Pool?

A pool's structure takes a beating over the years. Here are the most common causes of structural cracks and pool damage:

  • Soil Conditions - The soil around your pool shifts over time. Clay soil expands when wet and shrinks when dry. This puts extreme pressure on your pool shell and can cause cracks.
  • Poor Construction - If the pool was built with low-quality materials or the pool wasn't properly reinforced, cracks can show up early. A bad pool builder can lead to problems down the road.
  • Ground Movement - Tree roots, erosion, and changes in the water table all affect the soil around and built around your pool. This movement can weaken the pool's structure from below.
  • Normal Wear and Tear - Even well-built pools crack over time. Sun, chemicals, freeze cycles, and daily use all take a toll on plaster, tile, and the pool shell.
  • Hydrostatic Pressure - When the water level in the ground rises, it pushes up on your pool from the outside. A pool without water in it is at the highest risk. This extreme pressure can cause the entire area of the shell to crack or bulge.

Each of these factors can weaken your pool's structural integrity over time. The key is to spot the signs early and act fast.

Signs of Structural Damage in Your Pool

How do you know if your pool has a structural problem? Some signs are easy to see. Others need a trained eye. Here is what to look for:

Warning Sign What It Could Indicate
Hairline cracks in the plaster Surface cracks or early structural issues
Wide cracks in the pool shell Indicate structural shifts or foundational issues
Loose or cracked tile along the waterline Movement in the bond beam or shell
Sinking or cracked surrounding deck Soil erosion or water leak under the deck
Water level drops fast Leak through a crack in the shell or fitting
Shifting coping stones Bond beam or deck movement
Bulge in the pool floor or walls Hydrostatic pressure or ground shift

Tip: Do a simple bucket test to check for a leak. Place a bucket of water on the pool step. Mark the water level inside the bucket and in the pool. Wait 24 hours. If the pool level drops more than the bucket, you likely have a leak, not just evaporation.

If you spot any of these signs of structural damage, do not wait. The longer repairs are delayed, the worse the damage gets.

Why You Should Never Ignore Structural Pool Damage

It can be tempting to put off a pool repair. But when you ignore structural issues, minor issues turn into major problems. Here is what can happen:

  • Leaks Get Worse - A small crack grows over time. Water enters the soil around the pool and can saturate the ground. This causes even more shifting and more cracks.
  • Higher Water Bills - A leaking pool means you are always adding water. That adds up fast on your water bills.
  • Safety Risks - Loose tile, sharp cracks, and damaged plaster can hurt swimmers. A pool that is not structurally sound puts your family at risk.
  • Lower Property Value - A pool with visible damage hurts your home's aesthetic appeal and property value. Buyers do not want a pool that needs a full remodel.
  • Bigger Repair Costs - A small crack is a quick fix. A collapsed wall or floor is not. Timely repairs save you thousands.

The bottom line? Never ignore structural damage in your pool. It is always cheaper to fix it now than to fix it later.

Pool Crack Repair Methods: How Leak Rescue Fixes Structural Cracks

Not all pool cracks are the same. Some are on the pool's surface only. Others go deep into the pool structure. Here are the main crack repair methods we use:

  • Surface Crack Repair - For hairline cracks and small surface cracks in plaster or gunite, we patch and resurface the area. This restores the pool's surface and stops water from getting in.
  • Structural Crack Repair - For deeper structural cracks that go through the pool shell, we use a stronger approach. We may need to reinforce the area around the crack and apply a bonding agent to restore the pool's integrity.
  • Skimmer and Fitting Repair - Cracks often form around the skimmer, return lines, and other pool fittings. These spots are weak points in the shell. We seal and repair them to stop the leak.
  • Bond Beam Repair - The bond beam is the top edge of the pool shell where the deck meets the pool. Cracks here can cause coping stones to shift. We fix the beam and reset the area around your pool.
  • Pool Shell Repair and Resurface - When the damage is spread across a large area, a full pool renovation may be needed. We can resurface the pool's surface and restore your pool to like-new shape.

Whether your pool is gunite, fiberglass, or plaster, our team knows the right fix. We use the best materials to make sure every repair lasts.

How Leak Rescue Helps With Pool Structural Damage

At Leak Rescue, we do more than just find leaks. We are your go-to team for pool structural damage in Cullman and the area around. Here is how our experts can help:

  1. Inspection - We start with a full inspection of your pool. We check the shell, tile, deck, skimmer, and all fittings. We look for cracks, shifts, and any signs of damage.
  2. Leak Detection - If your pool is losing water, we use advanced tools to find the leak. A professional assessment tells us if the leak is from a structural crack or another source like root intrusion.
  3. Repair Plan - We give you a clear plan for the fix. You know what needs to happen, how long it takes, and what it costs.
  4. Expert Repair - Our crew does the work. From small crack patches to bond beam fixes, we handle it all. We reinforce, seal, and resurface as needed.
  5. Follow-Up - After the repair, we test to make sure your pool is leak-free and structurally sound. Your pool remains safe and ready to enjoy.

We serve homeowner families in Cullman, Birmingham, Tuscaloosa, and the surrounding areas. Whether you have an in-ground pool or a fiberglass shell, Leak Rescue is here to help.

★★★★★

"A Leak Rescue supervisor came out a couple of days prior to the actual service call to gather info and take pictures to pass along to the technicians so they would have a good idea of what the problem was before arrival. They confirmed the diagnosis of two air leaks on the plumbing going into the pump, replaced the plumbing, pressure tested the system and cleaned out my skimmers. The whole process only took a couple of hours. The technicians were very knowledgeable and kept me in the loop during the whole process. The price was very fair so I'm a happy customer."

Steven Sanders, Cullman, AL
Leak Rescue Client | Call us at (866) 365-5325

Pool Care Tips to Prevent Structural Damage

The best way to deal with structural damage is to stop it before it starts. Here are some pool care tips every pool owner should follow:

  • Keep your pool full - A pool without water puts stress on the shell. Keep the water level steady.
  • Watch the soil around your pool - If you see the soil around the deck sinking or pulling away, call a pro. Soil movement is a top cause of cracks.
  • Fix minor issues fast - A small crack today is a big crack next year. Timely repairs save money.
  • Get a yearly inspection - Have a pro check your pool once a year. They can spot problems you might miss.
  • Balance your chemicals - Bad water chemistry eats away at plaster and tile. Good pool care keeps your pool's surface in great shape.
  • Mind your landscaping - Tree root intrusion can push against your pool shell and cause cracks. Keep large trees away from the pool area.

Your pool should be a source of endless fun, not stress. With the right pool care, your backyard oasis can last for decades. And when your pool needs help, Leak Rescue is just a call away.

Fix Your Pool Structural Damage Today

Do not let cracks and shifts ruin your pool. Whether you see hairline cracks, loose tile, or a drop in water level, Leak Rescue is here to help. We offer pool leak detection, pool repair, and inspection in Cullman, AL, and the surrounding areas.

Worried about your pool? Call Leak Rescue at (866) 365-5325 or book a free estimate online. Our team will check your pool, find the problem, and fix it fast. Keep your pool safe and your property value strong with Leak Rescue.

Leak Rescue serves Cullman, Birmingham, Tuscaloosa, and all surrounding areas across Alabama. We are here to protect your pool's longevity and safety. Give us a call today.

Ready for a Leak-Free Pool Experience?

Contact Leak Rescue today for professional and reliable pool care services. Whether it’s detection, repair, or renovations, we ensure your pool remains a source of joy and relaxation.

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