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Things to Know About the Rectangular Fiberglass Swimming Pools

Discover the Ultimate Guide to Rectangular Fiberglass Pools – Benefits, Designs, and Essential Considerations for Your Dream Pool.


Imagine stepping out into your backyard and being greeted by the shimmering blue waters of a luxurious swimming pool. Whether you want to cool off on a hot summer day, stay fit with laps, or create unforgettable memories with friends and family, a swimming pool can be your personal oasis of relaxation and enjoyment.


If you’re considering adding a swimming pool to your home, you may have heard of rectangular fiberglass swimming pools. These pools are made of an extremely durable fiberglass-reinforced polyester (FRP) material, which is easy to install and maintain, and they come in a variety of designs to suit your needs.

What are rectangular fiberglass swimming pool collections?

Our Rectangular fiberglass swimming pool collections consist of a range of prefabricated pool models that share the common shape of a rectangle. These collections offer homeowners a variety of sizes to choose from, depending on their requirements and properties. Each pool in the collection is crafted with high-quality FRP materials, ensuring structural strength, earning the ICC Accreditation.

What are the benefits of owning a rectangular fiberglass swimming pool?

Owning a rectangular fiberglass swimming pool comes with several benefits that make it an attractive choice for homeowners:

High Return on Investment

Rectangular fiberglass swimming pools offer a high return on investment for individuals seeking to add value to their property and improve their property’s appeal. Due to their sleek and modern aesthetics, rectangular fiberglass pools tend to attract potential buyers and can significantly enhance the overall curb appeal of a property.

Mass Popularity

Rectangular fiberglass pools boast a sophisticated and contemporary design that resonates with modern tastes and architectural trends. The clean lines, crisp edges, and sleek finish of these pools create a visually stunning focal point in any outdoor space, captivating individuals with their elegant simplicity and timeless appeal.


Rectangular fiberglass pools are known for their durability. The fiberglass material is resistant to cracking, fading, and staining, ensuring that your pool retains its beauty for years to come.

Low Maintenance

The smooth gelcoat surface of fiberglass pools prevents algae growth and makes cleaning a breeze. This means less time and effort spent on maintenance and more time enjoying your pool. In addition, the rectangular shape makes it easy to clean, whether using a manual or automatic vacuum.

Quick Installation

Rectangular fiberglass pools are pre-manufactured and then delivered to your location for installation. The installation can be done in 2 to 5 days depending on the complexity of the job and the rectangular shape makes the entire installation easier, from layout preparation to pool placement, backfilling, and coping.

Design Versatility

Rectangular fiberglass pools are offered in different collections and a wide range of sizes. Whether you prefer a modern and sleek look or a more traditional style, you can find a pool design that suits your taste and complements your outdoor space.

What are the different types of rectangular fiberglass swimming pools?

Within the world of rectangular fiberglass swimming pools, there are various types available to suit different needs and preferences. Some common types include:

Plunge Pools: Compact rectangular pools designed for relaxation and cooling off. They are shallower and require less space, making them ideal for smaller backyard areas.

Lap Pools: Long and narrow rectangular pools designed for swimming laps. They provide a dedicated space for exercise and are popular among fitness enthusiasts.

Tanning Ledges: Mostly offered in rectangular shapes, these pools have both a swimming area and a shallow tanning area.

Built-in Spa Pools: Swimming pools with an integrated built-in spa, giving you the ability to have both a hot tub and a swimming pool.

Factors to consider when choosing a rectangular fiberglass pool

Choosing the right rectangular fiberglass pool involves considering several factors to ensure it meets your needs and preferences. Here are some key factors to keep in mind:

Size and Shape Options

Consider the available space in your backyard and determine the appropriate size and shape for your pool. Take into account property boundaries, existing landscaping, and any local regulations or permits required for pool installation.

Customization and Add-On Features

Think about the additional features and customization options you desire. Rectangular fiberglass pools offer various choices, such as built-in benches, spas, fiberglass tanning ledges, waterfalls, lighting, and spa jets. Consider these options to create a pool that suits your lifestyle and enhances your outdoor experience.

Budget Considerations

Establish a budget before beginning your pool project. Take into account the cost of the pool, installation, additional features, landscaping, and ongoing maintenance. It’s important to have a clear understanding of your financial limits to make informed decisions.



Compatibility with Your Backyard Space and Landscape

Assess how the pool will fit within your backyard space and complement your existing landscape design. Consider factors such as the layout, elevation changes, access points, and the overall visual impact of the pool on your outdoor living area.

Selecting the perfect rectangular fiberglass pool

Selecting the perfect rectangular fiberglass pool involves a thoughtful and informed approach. Here are some steps to guide you in making the right choice:

Assessing Your Needs and Preferences

Begin by assessing your needs and preferences for the pool. Determine the primary purpose of the pool, whether it’s for relaxation, exercise, or entertainment. Consider factors such as pool size, purpose, additional features, and aesthetic appeal.

Consulting with Pool Professionals

Consulting with pool professionals is invaluable during the decision-making process. They can provide expert advice, assess your backyard space, and help you select the most suitable pool design and features based on your preferences and budget.


PENTARM POOLS has expert and authorized pool installers across Canada, ready to help you choose the perfect rectangular fiberglass pool design and features for your preferences and budget.

Reviewing Warranty and After-Sales Support

When considering different pool manufacturers, review the warranty terms and after-sales support offered. A reliable warranty ensures peace of mind and protection against any potential manufacturing defects, while good after-sales support ensures ongoing assistance and maintenance guidance.


On average, you can expect to invest anywhere between $30,000 to $85,000 for a fiberglass pool, including installation.The cost of a rectangular fiberglass swimming pool can vary depending on factors such as size, access, additional features and etc.

While the shape of a rectangular fiberglass pool cannot be changed due to its pre-fabricated flat bottom design, you still have various customization options to create your dream pool. You can choose from different sizes, colors, and finishes, as well as opt for rectangular fiberglass pools with built-in spas, mosaic waterline tiles, and other additional features to enhance your pool’s aesthetics and functionality.

Yes, rectangular fiberglass pools are perfect for small backyard spaces due to their availability in compact and space-efficient rectangular designs. You can find a range of sizes that fit smaller areas without compromising on style or functionality. These smaller pools are often referred to as plunge pools.

With proper maintenance and care, rectangular fiberglass pools can last for over 30-40 years. The durable nature of fiberglass reinforced polyester (FRP) materials ensures longevity, and the smooth gelcoat surface resists fading, staining, and degradation.

It’s highly recommended to hire professional pool installers for proper installation. However, If you have a construction background or experience, PENTARM POOLS offers assisted installation. An authorized dealer would oversee and guide the process to ensure everything meets installation standards, giving you peace of mind even with a DIY approach.

Rectangular fiberglass pools are primarily designed for in-ground installation due to their specific structural requirements. Above-ground installation may not offer the necessary support and stability for the pool shell. However, if you wish to install your pool above ground or in a semi-above ground structure, it is possible with additional considerations. Please note that this alternative installation method will likely be more costly and will require expertise to ensure the pool is structurally safe and well-supported.

Yes, rectangular fiberglass pools are compatible with saltwater systems. Fiberglass materials are highly resistant to the corrosive effects of saltwater, making them a popular choice for homeowners who prefer saltwater pools.

Yes, rectangular fiberglass pools offer several eco-friendly benefits. Their non-porous surface requires fewer chemicals for maintenance, less water consumption, and the durability of fiberglass reduces the need for frequent renovations or replacements, resulting in less waste.

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