Should You Repair Pool Cracks?

Cracks in or around your inground pool can happen. The mixture of concrete and plaster expands and contracts over time, especially when the seasons change. While cracks are common, leaving those cracks unrepaired could be a costly mistake.

Cracks in or around your inground pool can happen. The mixture of concrete and plaster expands and contracts over time, especially when the seasons change. While cracks are common, leaving those cracks unrepaired could be a costly mistake.


Some cracks are cosmetic, while others are a structural issue. Repairing these cracks is part of your pool maintenance tasks, and the sooner you fix them, the fewer hassles they might cause you. 


Routine pool maintenance in Langley, Surrey, Vancouver, and surrounding areas is critical year-round. During those maintenance times, you must inspect for cracks and repair them as soon as they are noted.

Without pool repair, these cracks will extend and continue to expand. Water leaks into the cracks, further weakening the plaster and concrete. Eventually, you will have large-scale cracks and might require a full plastering of your pool. By repairing hairline cracks the moment you see them, you avoid the cost of redoing plaster or the extensive water damage that might result when cracks turn into leaks.


Types of Cracks

There are three types of cracks each with related repair recommendations. Here is a brief overview to help you identify the types of cracks in your pool and the repairs required:

  1. Easy Hairline Crack Repairs: Small, hairline cracks are repaired without draining the pool. Instead, you use a flathead screwdriver to widen the crack just slightly. Then add pool putty rolled into a snake-like shape into the crack. Smooth the putty with your hand, and it will adhere to the crack naturally.
  2. Moderate Plaster Crack Repairs: A moderate crack in the plaster requires draining the pool first. Pump the pool water far from the surface to avoid drainage issues. Once drained, chip away at the plaster to release the hydrostatic relief plugs. You need at least two open. Then, widen the cracks with a grinding tool at a dovetail angle. Fill the crack using a pool plaster mix that matches the plaster colour of your pool. The area needs moisture to adhere; then you must cure it for as long as the manufacturer instructions state before refilling.
  3. Extreme Crack Repairs: Extreme breaks call for professional maintenance in Surrey and surrounding areas. These cracks are typically structural and may require adjusting soil under the pool and use plaster or concrete staples to keep the pool together. Extreme cracks are not something a pool owner, even with sufficient DIY skills, should try to correct.

When your pool’s cracks become an issue, contact the team at Imperial Paddock Pools, Ltd. We offer pool maintenance and essential pool supplies in Langley and surrounding cities for crack repair and service.


To avoid cracks, schedule routine maintenance with our team. We can help you with everything from chemical adjustments to routine shocking, pH testing, and crack repair.

Contact our pool team for a quote or to schedule your pool maintenance in Vancouver, Langley, Surrey or the surrounding cities. Call us at 604-291-7771 or the Surrey branch at 604-599-8200. You can also ask us a question online.

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