Comparison between fiberglass pools and vinyl pools

 In Maintenance

If you’re considering installing an in-ground pool, several options are available, including fiberglass and vinyl. Each of these options has its advantages and disadvantages. Fiberglass, for example, is renowned for its low maintenance and resistance to microorganisms. The choice between these two types of pools will depend on your needs and budget. In this article, discover the main differences between these two types of pools.

Understanding the Basics: Fiberglass and Vinyl Pools

Fiberglass pools and vinyl pools are two popular options for in-ground pools. They are primarily distinguished by their construction material.

Fiberglass pools are made from a preformed shell, usually in one piece, which is placed in the excavated hole for the pool. They are known for their durability, chemical resistance, and low maintenance. However, their initial cost may be higher.

As for vinyl pools, they consist of a vinyl liner that is attached to a steel or polymer frame. They are generally cheaper to purchase but may require more long-term maintenance.


Which Material is Best for an In-Ground Pool?

The Materials in Question: Fiberglass vs. Vinyl

Fiberglass and vinyl are two distinct materials with their own characteristics. Fiberglass is a strong material resistant to weather changes. It offers a smooth and non-porous surface that prevents algae growth and reduces the need for chemicals. It is an insulating material, which allows for better heat retention. However, the variety of shapes and sizes is limited by factory prefabrication.

On the other hand, vinyl offers flexibility in terms of shapes and sizes. It is a less expensive material to purchase, but it can be more fragile against sharp objects and extreme weather conditions. Additionally, vinyl liners, designed to cover the pool’s interior surface to protect it and ensure proper sealing, require periodic replacement, thus increasing long-term maintenance costs.


Avantages et inconvénients des piscines en fibre de verre

Why Choose a Fiberglass Pool?

Opting for a fiberglass pool offers several notable advantages for pool installation. The speed of installation is a major asset. Indeed, the preformed shell requires less time to install than vinyl pools. Fiberglass pools also offer great resistance to temperature variations, which can be a significant advantage in harsher climates.

Another significant advantage is their energy efficiency. Fiberglass is an insulating material, allowing the pool water to retain its heat longer. This can reduce heating costs and make swimming more enjoyable.

Finally, fiberglass pools are customizable. They are available in a variety of shapes, sizes, and colors, allowing you to adapt the pool to your tastes and garden layout.


Limitations of Fiberglass Pools

Although fiberglass pools have many advantages, they also have some limitations. One of the main ones is the high initial cost. Indeed, the purchase price may be higher than that of other types of pools, which can be a barrier for some budgets.

Another limitation is that the choice of shapes and sizes may be limited. Due to their factory fabrication, fiberglass pools are available in a range of predefined shapes and sizes, which can limit customization. However, Dolphin Pools offers models with unique and rounded shapes that are more similar to classic vinyl pool models.

Finally, although fiberglass pools are resistant, they can be sensitive to costly repairs. If the shell is damaged, repairs can be complex and expensive as they require the intervention of specialists. The good thing about fiberglass is that it is a very resistant and durable material, so the risks are very low. Find a distributor of Aquarino fiberglass pools!

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Maintaining a Fiberglass Pool

Maintaining a fiberglass pool is relatively simple and less demanding than maintaining a vinyl pool. The smooth surface of the fiberglass shell prevents the accumulation of algae and bacteria, which reduces the amount of chemicals needed to keep the water clean.

  • Regularly check the pH and chlorine levels to ensure healthy water.
  • Periodically inspect joints and equipment to prevent potential problems.
  • Regularly clean the pool surface with mild maintenance products specifically designed for fiberglass pools to preserve surface integrity.

Note that these pools do not need vinyl liners to replace, further reducing the maintenance required. Finally, the use of specific fiberglass maintenance products helps extend the life of the pool, which can exceed 30 years with proper maintenance.

Advantages and Disadvantages of Vinyl Pools

Why Choose a Vinyl Pool?

Choosing a vinyl pool has several advantages. First, the initial cost is generally more affordable compared to fiberglass pools. This can be a significant advantage for those with a limited budget.

In addition, vinyl offers great design flexibility. Vinyl liners can be shaped into virtually any imaginable shape and size, allowing for extensive customization of your pool. Whether you want a classic shape or a unique design, vinyl can meet your needs.

Finally, bather comfort is another reason to opt for vinyl. Its surface is soft to the touch, making swimming more enjoyable compared to harder materials.

However, it is essential to note that vinyl liners have a shorter lifespan than fiberglass shells and require periodic replacement.

Limitations of Vinyl Pools

Vinyl pools, although more affordable, have some limitations. Vinyl can be prone to tears and leaks, requiring frequent repairs that can increase long-term maintenance costs. Additionally, exposure to sunlight and chemicals can cause vinyl liner discoloration over time, affecting the pool’s aesthetics. Furthermore, the lifespan of the vinyl liner is usually 8 to 12 years, meaning it will need to be replaced multiple times during the pool’s lifespan. Finally, although vinyl offers great design flexibility, installation can be more complex and time-consuming than installing a preformed fiberglass shell.

Maintaining a Vinyl Pool

Maintaining a vinyl pool may require a bit more attention than a fiberglass pool. Due to its non-porous surface, vinyl can be a breeding ground for algae. It is therefore necessary to regularly clean your pool with a soft brush and suitable products.

Checking the chemical balance of the water is also essential for preserving the vinyl liner. Water that is too acidic or too alkaline can degrade the vinyl and reduce its lifespan. Therefore, weekly maintenance of water chemical balance is recommended.

Another aspect to consider is the vulnerability of vinyl to sharp objects. Be sure to remove any objects that could damage the liner during maintenance.

Finally, since the vinyl liner is not permanent, replacement every 8 to 12 years will be necessary, depending on its condition and maintenance performed. This operation will increase long-term maintenance costs.


In conclusion, it is important to analyze all comparative elements to make a thoughtful decision that corresponds to your long-term needs and budget. Installing an in-ground pool in a backyard adds value to a property when selling it. To assist you in selecting an Aquarino model, meet with one of our affiliated partners to start your project!

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