Blue Haven St. Louis Blog

Fiberglass Swimming Pools: Pros, Cons, and Lifespan

Written by Blue Haven Pools of St. Louis | Aug 27, 2024 1:15:39 PM

When considering a new swimming pool, many homeowners are drawn to the idea of a fiberglass pool. Known for their sleek finish and quick installation, fiberglass pools offer several advantages, but they also come with some drawbacks. In this blog, we’ll explore the pros, cons, and lifespan of fiberglass pools, helping you make an informed decision for your home in Missouri.

The Advantages of Fiberglass Pools

Fiberglass pools are prized for their smooth, non-porous surfaces, which make them resistant to algae growth and easier to maintain compared to other types of pools. This smooth surface not only simplifies cleaning but also reduces the need for harsh chemicals. The non-porous nature of fiberglass helps prevent the growth of algae and other organisms that can thrive in the tiny crevices of concrete or plaster pools, making it a cleaner and more hygienic option.

In terms of installation, fiberglass pools stand out for their efficiency. The pre-fabricated nature of these pools allows for a quicker installation process, often completed within just a few weeks, depending on the complexity of the installation site. This is in stark contrast to gunite or concrete pools, which can take several months to install due to the extensive on-site construction required. For homeowners eager to start enjoying their pool, this quicker turnaround is a significant advantage.

Additionally, fiberglass pools are less prone to cracking during freeze-thaw cycles, making them a reliable choice for the fluctuating temperatures in Missouri. This durability is largely due to the inherent flexibility of fiberglass as a material. Unlike concrete, which can crack under the stress of temperature fluctuations, fiberglass can bend slightly under pressure, reducing the likelihood of cracks or other damage. This makes fiberglass pools especially well-suited for regions like Missouri, where winters can be harsh and summers can be hot.

Fiberglass pools also offer a variety of aesthetic options. While they may not be as customizable in shape as concrete pools, they do come in a wide range of pre-designed shapes and sizes, allowing homeowners to choose a design that best fits their backyard space. Moreover, modern advancements in fiberglass pool manufacturing have led to the development of more aesthetically pleasing finishes, with options that mimic the look of natural stone or other high-end materials.

For a deeper dive into the benefits of fiberglass pools, check out River Pools' article on fiberglass pool advantages.

The Disadvantages of Fiberglass Pools

While fiberglass pools offer numerous benefits, they also come with some drawbacks that homeowners should consider. One of the most significant limitations is the size and shape constraints. Since fiberglass pools are manufactured off-site and delivered as a single piece, they are limited to the shapes and sizes that can be transported and installed. This can restrict customization options, making it difficult for homeowners with specific design requirements or unique backyard spaces to find a suitable match.

Another potential disadvantage is the initial cost. Although fiberglass pools can be more affordable in the long run due to lower maintenance costs, the upfront price can be higher compared to vinyl liner or above-ground pools. This higher initial investment may be a barrier for some homeowners, especially those on a tight budget. However, it’s important to weigh this against the long-term savings that come from reduced maintenance and longer lifespan.

The installation process, while generally quicker than that of concrete pools, also comes with its own set of challenges. The site must be carefully prepared to ensure the pool shell is properly supported, and any mistakes during installation can lead to issues like pool settling or improper leveling. Moreover, because fiberglass pools are delivered as a single unit, access to the installation site must be adequate to accommodate the transportation of the large pool shell.

Lastly, while the gel coat finish of a fiberglass pool is durable, it is not immune to damage. Over time, the gel coat can fade due to exposure to UV rays, or it may blister if the water chemistry is not properly maintained. Repairs to the gel coat can be costly and may require professional assistance, which adds to the overall maintenance costs.

For more on the limitations and myths surrounding fiberglass pools, you can read Leisure Pools' debunking of common myths.

Lifespan and Durability

Fiberglass pools are known for their long lifespan, often lasting 25 years or more with proper care. The longevity of a fiberglass pool is largely due to the gel coat finish on the surface. This gel coat is designed to withstand years of exposure to water, chemicals, and the elements without degrading. Unlike plaster, which can wear down over time and require resurfacing, the gel coat on a fiberglass pool can maintain its appearance and functionality for decades.

However, like any pool, fiberglass pools do require regular maintenance to achieve their full lifespan. This includes keeping the water chemistry balanced, performing routine cleanings, and addressing any minor repairs promptly. Balanced water chemistry is crucial because improper chemical levels can cause the gel coat to fade or blister over time. Regular cleanings, including brushing the pool walls and vacuuming the floor, help prevent the buildup of debris that could stain or damage the surface.

One of the significant advantages of fiberglass pools in terms of durability is their resistance to common pool problems like staining and algae growth. The non-porous surface of fiberglass is less likely to harbor algae, which can make the pool easier to clean and reduce the need for frequent chemical treatments. Additionally, fiberglass pools are less likely to suffer from staining because the gel coat finish is resistant to most types of pool stains, including those caused by metals in the water.

To ensure your fiberglass pool lasts as long as possible, it's essential to follow a consistent maintenance routine. This routine should include regular checks of the water chemistry, as well as inspections of the pool's structure and equipment. Addressing any issues as soon as they arise can prevent them from becoming larger, more costly problems down the line.

For detailed information on how long a fiberglass pool can last, visit Pool & Spa Warehouse’s guide.

Fiberglass Pools in Missouri: A Good Fit?

Missouri’s climate, with its hot summers and cold winters, can pose challenges for some types of pools. Fortunately, fiberglass pools are well-suited to handle these extremes. The material’s flexibility reduces the risk of cracking during the cold months, making it a durable option for Missouri homeowners.

In the summer, when temperatures can soar, fiberglass pools provide a cool, refreshing retreat. The material's ability to maintain a consistent temperature means that the water in a fiberglass pool is often more comfortable than in other types of pools, which can absorb and retain more heat. Additionally, the smooth surface of a fiberglass pool makes it pleasant to the touch, avoiding the roughness that can sometimes be found in concrete or plaster pools.

During the winter, Missouri homeowners need to be particularly mindful of the freeze-thaw cycles that can occur. Water left in the plumbing or equipment can freeze, expand, and cause significant damage. However, because fiberglass pools are less likely to crack under these conditions, they require proper winterization.

Moreover, fiberglass pools are a good fit for Missouri’s diverse range of soil types. The flexibility of fiberglass means that the pool can adapt to slight movements in the soil without cracking, which is particularly important in areas where the ground may shift due to moisture levels or other factors.

Common Myths About Fiberglass Pools

There are several misconceptions about fiberglass pools that may deter homeowners from considering them. Some believe that fiberglass pools are prone to popping out of the ground, but this is extremely rare when the pool is installed correctly with proper drainage. The fear of "pool pop" is often overstated and usually occurs only in extreme cases where the pool is drained improperly or where there is significant hydrostatic pressure under the pool. In reality, a well-installed fiberglass pool is just as stable as any other type of pool.

Others worry that fiberglass pools are more prone to damage, but in reality, they are highly resilient to common issues like algae growth and staining. The smooth, non-porous surface of fiberglass resists the buildup of algae, which can reduce the need for harsh chemical treatments. Additionally, the gel coat finish is designed to withstand exposure to UV rays, chemicals, and water, making it more resistant to staining and other forms of surface damage.

Another common myth is that fiberglass pools are limited in design options. While it's true that fiberglass pools are pre-manufactured in specific shapes and sizes, there is a wide variety of options available, from small plunge pools to large, multi-level designs. Additionally, the interior finishes of fiberglass pools have come a long way, with many modern options that mimic the look of high-end materials like stone or tile.

For more information on common myths and misconceptions about fiberglass pools, visit Leisure Pools' blog.

Conclusion: Is a Fiberglass Pool Right for You?

Fiberglass pools offer a great balance of durability, ease of maintenance, and aesthetic appeal. While they may have some limitations in terms of customization and upfront cost, the benefits often outweigh the drawbacks for many homeowners. If you’re considering adding a fiberglass pool to your home in Missouri, it’s essential to weigh these factors carefully.

Ready to take the next step? Contact Blue Haven St. Louis today to explore your options and schedule your pool installation. And don’t forget to schedule your pool closing before the winter hits—click here to book your pool closing.