Using a highly experienced and skilled installation contractor is the best way to prevent spalling. As with cracks, improper plastering techniques during installation is often the culprit to blame. Plaster is one of the most common finishes for gunite pools. To prevent this problem in the first place, it’s recommended that pool owners ensure a hydrostatic valve is installed and properly maintained. Pool Lifting from GroundĬoncrete pools can occasionally pop out of the ground. Calcium nodules, excessive surface cracks and delamination can all contribute to the problem. There are many things that lead to pool surfaces becoming too rough. If you find that your concrete pool is extremely rough to the point where slightly grazing the surface with your knee while swimming leaves a nasty scratch, your pool surface is too rough. The rough pool surface of a concrete pool still offers a good compromise between slip resistance and comfort. Gunite pool surfaces feel more rough than fiberglass and vinyl, but not excessively. Only cracks that go right through the think layer of concrete beneath your pool finishing will cause substantial leaks. While surface cracks are a sore eye, they don’t typically cause any leaking. It’s these cracks that go right through the shell that eventually cause bad leaks.Ī lot of pools can develop surface cracks – which are cracks that only go through the paint or pool finish. A pool that wasn’t designed or installed properly will be more susceptible cracks that go right through the pool shell. I you find that your gunite pool cracks all the time, it’s probably due to poor design and installation. That’s said, there are certain things that can make your pool more prone to cracking, even if it’s brand new. Most concrete pools will crack at some point – especially if the pool is old. Cracks and LeaksĪlthough just about any pool can crack, some pools are prone to crack more. Every type of swimming pool has its own advantages and disadvantages – gunite pools are no exception. Common Gunite Pool Problemsīefore looking at how to fix your gunite pool, it’s important to know about common issues for concrete swimming pools. If you’ve noticed a leak on your pool, it might be time for some gunite pool repair at your property. This mixture is then evenly applied to the foundation of the pool to line it. Pool installers make a special mix of cement, sand and water to create gunite. Because of this, many people also refer to gunite pools as concrete pools. While many people believe gunite and shortcrete are different, they’re essentially the same – both being a type of sprayed concrete. Gunite (also often called shortcrete) is a durable and highly adaptable material often used to build swimming pools.
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