How a Concrete Pool Is Constructed

Whether you are building your first pool or looking to upgrade an existing one, there is a wide array of options available. From fiberglass and vinyl liner pools to concrete and gunite, each type has its advantages, and some may work better for your location or design preferences. However, if you want the ultimate in durability, customization, and aesthetics, a concrete pool is probably your best option.

Concrete pools offer a natural, classic look that can complement your landscaping and outdoor decor. Additionally, they are strong enough to withstand harsh weather conditions such as heavy rains and high winds. Furthermore, a concrete pool can be constructed in nearly any shape or size, making it possible to make the most of even a small backyard. Moreover, concrete pools can include unique features such as tanning ledges and waterfalls, which add a personal touch and can help elevate the beauty of your yard.

Unlike other types of swimming pools, concrete pools have a non-porous surface that is resistant to chemicals and UV rays. This can help prevent algae growth and reduce the risk of staining and discoloration. Additionally, the non-porous surface also helps to keep water temperatures cooler and more comfortable during warmer months.

Before the concrete is poured, steel reinforcement is fitted into the pool to support the weight of the concrete and prevent cracking or damage from excessive water pressure. Once the steel has been positioned, the concrete is sprayed or “shot” into place using shotcrete or gunite—a dry mix of sand and cement that’s sprayed onto the walls and floor of the pool using a hose. This process is typically performed by a professional called a nozzleman. The nozzleman uses compressed air to control the amount of water mixed in with the dry concrete, which allows him to create the desired consistency and quality of the finished pool shell.

Once the concrete has been sprayed, it’s left to cure for 10 days before the pool can be filled and started up. During this time, you will need to brush the pool at least twice each day to remove plaster dust from the surface and prevent it from becoming slippery. You will also need to check and balance the chemicals daily.

While a concrete pool requires more maintenance than other types of pools, the benefits outweigh the cost. When properly maintained, concrete pools can last for up to 40 years. Additionally, they can be built on sloping sites and in uneven areas where other types of pools would not be possible.

The only drawback of a concrete pool is the potential for a phenomenon known as “concrete cancer.” This occurs when the concrete develops a reaction to moisture and chemicals, which can cause the structure to crack and deteriorate over time. This is typically only an issue for pools that are filled continuously, but it can be expensive to repair if it does occur. Fortunately, this problem is preventable by using a corrosion-resistant galvanized steel liner and limiting the amount of exposed metal in your pool.

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