Pros and Cons of Fiberglass Pool

For many families, buying a pool is a substantial financial commitment. Fiberglass is one of your best options if you want an in-ground pool. It is because it is a substance produced from tiny glass strands extruded into fibers. It is a choice that went into commercial manufacturing for the first time in 1936, containing 60% resin.

Fiberglass has such a tremendous tensile strength because the resin in it distributes the weight amongst the fibers. As a result, it translates into an incredibly light swimming pool without sacrificing the power of the supports for your installation.

Boat manufacturers were able to develop a specialized market where reasonably priced installations could assist homeowners in improving the appearance and feel of their property since the laminates they used were comparable to those the swimming pool industry utilized.

These are some benefits and drawbacks to consider if you consider installing a fiberglass pool on your property.

List of Fiberglass Pools Pros

1. If you choose this option, the installation process will go faster

The fact that you can install a fiberglass pool is one of its main selling features. It will take up to 60 days to complete the job if you want an in-ground pool made of concrete or gunite. However, fiberglass has the potential to reduce installation time by up to 50%. Some contractors claim they can do the job in as little as two weeks.

2. The upkeep requirements for a fiberglass pool are lower

A smooth gel is applied to the surface of a fiberglass pool to prevent algae growth. With this growth, you will experience different issues than gunite, and concrete pools do. Fiberglass also has very few concerns with mold and mildew. As a result, you have to clean the pool less frequently, pay less for staff, and typically handle fewer problems.

3. A wide range of shapes is available

A few standard shapes were available when fiberglass pools were initially on the market. However, most of them involved a different shape than the typical rectangle. Manufacturers are now producing as many as 40 forms for in-ground pools you may construct on your property. It gives you more options for making a high-end installation without incurring the costs associated with employing other materials. This benefit has contributed significantly to the popularity of using this material to produce custom-looking designs.

4. A fiberglass pool can improve in many different ways

Fiberglass pools typically receive criticism for potentially looking cheap because of the emphasis on quick installation. However, a range of materials, like stone, tile, and brick copings, can be included by skilled contractors to make the finished result look as good as the more conventional choices that are still available. This option is one of the pool industry's fastest-growing subsectors in the United States today. Their adaptability makes it a worthwhile investment to consider in practically every part of the nation.

5. A fiberglass swimming pool is incomparably durable

Lab tests did determine how well fiberglass worked as a pool surface. After 45 days of pure chlorine soaking in a pool, the surface may be made serviceable with just a quick 1/5,000-inch sanding. Additionally, some products make it simple to refinish a pool if it sustains damage due to a storm or another major incident. Owning a collection made of this material might result in significant cost savings over using standard materials.

List of Fiberglass Pools Cons

1. Bad installation techniques can affect your pool's quality

A prefabricated shell of a fiberglass pool is delivered. To ensure your investment pays off over the term, you must engage with a qualified contractor who adheres to the proper installation techniques. Anyone can dig a hole to set the pool's foundation in. However, you'll need to keep an eye out for the subsequent work. To ensure the proper supports, your installer should backfill the area with sand and pea gravel while the pool progressively fills with water.

If the installation goes according to plan, you can avoid everything from poor water flow to a wall collapsing due to insufficient bracing. However, to ensure you have options if the fiberglass pool doesn't meet your standards, always go with licensed, insured, and bonded contractors.

2. The fiberglass might affect the water's purity

To ensure that the gel coating can offer fiberglass protection, you must maintain the water quality in the pool throughout the year. It may take a few years to repair this part of the fiberglass pool if your pH level is low or your alkalinity levels are too high. Something as simple as an improper calcium balance could cause this problem. Therefore, it is crucial to test the water every week to ensure it maintains good quality.

3. When establishing a pool, considerable expenses are still to consider

Compared to the other options, installing a fiberglass pool can save you up to 50% of the cost, but you'll still have a price to consider. Your total installation cost could be up to $36,000 (or more), depending on your location and pool size. Additionally, the cost of landscaping and pool decking may increase.

Even if you choose a smaller pool and a few different structures, the project's overall cost may exceed $23,000. If your credit is good enough, financing might be an option, but a concrete pool occasionally costs roughly half as much as a fiberglass pool.

4. Prefabricated fiberglass pools are available

A fiberglass pool gives the impression that you personalized the installation, but you and the contractor are both aware that this isn't the case. You can choose the shape of the pool before it leaves the manufacturer because you will receive the entire pool shell. The material can endure up to 40 years if appropriately put in. However, repairing issues with the coating or the structure before or during installation might be difficult. With this option, settled plumbing is a frequent issue since the 100% sand backfill causes it to sink and move. To prevent damage to your yard, try to fix any leaks as soon as possible.

5. Warping problems with fiberglass are possible

Due to the prefabrication of the fiberglass pool, there may be problems with warping, bulging, and bending when the backfill is applied. Gravel backfills typically lessen this potential drawback because the material is less prone to shift and settle over time. However, if the sand gets damp, you might run into this issue anytime. Sand is a better choice if your existing soil is already sandy. It may be costly to fix this problem if one of your walls is compromised.


A fiberglass pool is a great mid-range solution for homeowners looking to raise their property's value profile. Fiberglass swimming pools offer a durable option for up to 40 years. Before deciding, you should also read manufacturer reviews for the sector.

The benefits and drawbacks of fiberglass swimming pools enable homeowners to get a bespoke look without forking over the cash for a completely one-of-a-kind item. However, to secure the greatest return on your investment, you should work with a skilled pool contractor who accurately completes each installation stage.

Pros and Cons of Fiberglass Pool

Frequently Asked Questions

What Drawbacks Are There to Fiberglass Pools?

Resilience and Damage Possibilities.
Restrictions on Shape and Size.
It is costlier to Install Than Some Other Pool Styles.

How long will a pool made of fiberglass last?

The average fiberglass pool is known to last 25 to 30 years, but we go even further. These pools are renowned for being simple to maintain.

How can a fiberglass pool go wrong?

Spider-web cracks. Due to intense pressure acting against the surface, tiny hairline cracks appear in the gel coat.
Color Fading.
Poor Pool Manufacturing.
Plumbing That Is Settled But Still Leaks.

Are fiberglass pools hard to maintain?

A fiberglass pool will be simpler to clean and maintain and look great. Although it requires some upkeep, this alternative for a collection has the lowest maintenance requirements and costs.

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