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Diving into the Depths: Cons of Fiberglass Pools

Unveiling the drawbacks of concrete pools: From high costs to maintenance challenges, learn why they may not be the best choice for your project.


Imagine a hot summer day, the sun blazing overhead, and you’re longing for a refreshing dip in your own pool. Owning a pool brings relaxation, enjoyment, and the luxury of a private backyard oasis. But before deciding on a pool, it’s crucial to be aware of the general downsides of concrete pools. In this blog post, we will explore the cons of concrete pools, shedding light on the challenges they present and why alternative options may be worth considering for your project.


So, let’s dive in before wasting any time!

Lengthy Construction Time

Between 3 to 6 Months

Are you eager to take a refreshing plunge into your new pool? With concrete pools, patience is key. The construction process can take around 3 to 6 months, depending on the project’s complexity, size, and finish of the pool. Layout planning, excavation, structural components, base preparation, concrete pouring, curing time, and surface finishing all contribute to the extended construction period. Moreover, if you have ongoing landscape projects, the construction of a concrete pool may require them to be put on hold. If you’re looking for a fast solution to enjoy the pool at the earliest, concrete pools may not be the best option.

Maintenance Nightmares

The Challenges of Maintaining Concrete Pools

Maintaining a concrete pool can become a time-consuming and costly ordeal. Concrete surfaces are porous, making them prone to algae growth, staining, and cracking. You need to regularly clean, balance chemicals, and scrub to keep the pool water sparkling and the surface in good condition.
An important and time-consuming issue with a concrete pool is dealing with algae. Not only does your maintenance work require additional chemicals for balancing, but you are also suggested to acid wash the pool every year or every few years depending on how prone your pool is to forming algae based on the surroundings of your pool. Neglecting these tasks can result in an unsightly and uninviting pool and may even weaken its structure over time.

Pricey Investment

The Cost Considerations of Concrete Swimming Pools

Concrete pools can significantly dent your wallet during installation and long-term maintenance. The extensive construction process is labor-intensive and expensive and must only be done by skilled professionals to have a smooth finish. Additionally, ongoing maintenance costs like repairs, resurfacing, and refinishing can cost you significantly down the line, making you worry more about the cost of using a pool rather than its enjoyment.

Uncomfortable Surface

Get Prepared for Their Rough Texture

One drawback of concrete pools is their rough and abrasive surface. Unlike smoother pool materials like fiberglass, concrete can be harsh on your feet and hands. The rough texture may cause skin irritation, scrapes, or discomfort while walking or lounging in the pool. To mitigate this issue, additional expenses may be required for resurfacing, tiling, or applying coatings to create a smoother feel.

Vulnerability to Cracking

The Risk Factors and Consequences Involved

Concrete pools are prone to cracking, which can occur due to factors like ground movement, extreme temperatures, or improper construction techniques. Cracks not only compromise the pool’s aesthetics but can also lead to leaks, water loss, and more significant structural problems if left unaddressed. Repairing cracks in a concrete pool can be time-consuming and costly, requiring professional intervention and specialized materials.

Limited Flexibility

The Challenges of Modifying Concrete Swimming Pools After Construction

Concrete pools lack the inherent flexibility of other pool types. Once a concrete pool is constructed, making changes or alterations to its shape or design becomes extremely challenging. Whether you envision an expanded seating area, a modified layout, or additional features, adapting a concrete pool to meet your evolving needs may require extensive and costly renovations.

Environmental Impact

Understanding the Ecological Consequences of Concrete Pools

Concrete pool construction has environmental drawbacks as well. The process involves excavation, which can disrupt the natural landscape, and concrete production itself is resource-intensive and emits a significant amount of carbon dioxide. Moreover, the ongoing use of chemicals to maintain water quality can have an impact on the environment if not managed responsibly.


While concrete pools have been a popular luxury and classic choice for many homeowners, it is crucial to consider their disadvantages before committing to this option. The maintenance challenges, high costs, limited customization options, lengthy construction time, uncomfortable surface, vulnerability to cracking, limited flexibility, and environmental impact associated with concrete pools may make you think twice. Exploring alternative options like fiberglass pools can provide you with a wider range of benefits while still ensuring a luxurious and enjoyable swimming experience. So, before you commit to a concrete pool, conduct further research and make an informed decision that aligns with your preferences, budget, and long-term vision for your backyard oasis.

At PENTARM POOLS, we offer a superior alternative to concrete pools with our range of unparalleled fiberglass pools. With easier maintenance, faster installation, a smooth surface, and enhanced durability, our fiberglass pools provide a luxurious and serene swimming experience without the drawbacks of concrete. Explore our offerings, choose the perfect fiberglass pool that aligns with your preferences and budget, and let us help you create the backyard oasis you deserve. Make an informed decision to invest in a PENTARM fiberglass pool and elevate your swimming experience to new heights. Contact us today and discover the undeniable advantages of fiberglass pools!


Fiberglass pools are more susceptible to staining compared to other pool types. Minerals, chemicals, and organic matter can leave marks on the pool’s surface, affecting its appearance. Regular maintenance and proper cleaning techniques are necessary to address staining issues effectively.
No, fiberglass pools should never be drained without proper bracing and under the supervision of professionals. The structure of a fiberglass pool relies on the support provided by the water inside it. Draining the pool completely without the necessary precautions can lead to structural damage, including cracking or even collapsing of the pool shell. It is essential to consult with a qualified pool contractor or technician who can guide you through the proper procedure for draining a fiberglass pool, ensuring the necessary support and safety measures are in place.
Experienced technicians are essential for fiberglass pool repairs to ensure structural safety and continued usability.
Fiberglass pools have limited customization options compared to concrete pools. While concrete pools can be custom-built in any size or shape, fiberglass pools come in pre-fabricated designs. Homeowners seeking custom pool designs may find the choices available for fiberglass pools more restrictive.
No, fiberglass pools have a smooth gel-coat surface. Unlike concrete pools, which can simulate natural stone or ocean floor textures, fiberglass pools offer a uniform texture. However, at PENTARM POOLS, we have an exclusive collection of fully tiled fiberglass pools, which would look identical to a fully tiled concrete pool but with all the extra benefits of fiberglass pools.
Fiberglass pools have limitations when it comes to add-ons and accessories compared to concrete pools. While some fiberglass pool models may offer limited add-ons, the overall selection is more restricted. Homeowners seeking a personalized pool experience with diverse add-ons may find their options limited with fiberglass pools.
While fiberglass pools are fast and durable to install, they can develop cracks if not installed properly by a professional and experienced pool installer.
Fiberglass pools can experience weathering and fading over a longer period of time due to exposure to harsh weather conditions and UV radiation. While modern manufacturing techniques aim to minimize these effects, some level of weathering is inevitable. Regular maintenance and protective measures, such as UV-resistant coatings, can help reduce the impact of weathering.
Narrow roads and access, uncertain delivery times, and inexperienced installers are common challenges faced when installing a fiberglass pool. Issues in transportation or installation can lead to delays, additional costs, or even damage to the pool.

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