What Is a Semi-Inground Pool? Everything You Need to Know

A semi-inground pool is a versatile swimming pool option that combines the benefits of both above ground and fully inground pools. It is partially submerged into the ground, offering a unique balance of aesthetics, durability, and affordability.

Homeowners looking for a pool that blends well with their landscape while being cost-effective often find semi-inground pools to be the perfect choice.

Unlike traditional above ground pools that sit entirely above the ground, or fully inground pools that require extensive excavation, a semi-inground pool is installed partially below ground, typically with a portion of its structure exposed.

This installation style allows for customization, such as adding decking, landscaping, or even seating areas around the pool. In this guide, we will cover everything you need to know about these types of pools, including costs, materials, benefits, and common FAQs.

Key Takeaways

• Definition: This pool is partially installed below ground, making it a hybrid between an above ground and an inground pool.
• Cost: Semi-inground pools provide a budget-friendly alternative to inground pools, typically costing tens of thousands less while offering impressive durability and visual appeal.
• Materials: Common materials include steel, extruded aluminum, and resin, each offering different levels of durability and design appeal.
• Installation: Proper site preparation and excavation, completed in accordance with the manufacturer’s instructions and guidelines, help ensure a stable, long-lasting pool structure.
• Advantages: Ideal for uneven terrains, customizable design options, and a more budget-friendly alternative to fully inground pools.

What Is a Semi-Inground Pool?

A semi-inground pool combines the benefits of both above ground and inground pools, typically installed halfway into the ground for a seamless, elegant integration with your outdoor space. Unlike above ground pools, which sit entirely above ground, this design leaves part of the pool exposed while blending naturally with your landscaping, offering both visual appeal and functional versatility.

Why Choose a Semi-Inground Pool?

If you're considering installing a swimming pool in your backyard, you might be weighing the pros and cons of different types of pools. While fully inground pools are popular for their seamless look, they come with higher costs and extensive installation requirements.

Semi-inground pools offer many advantages over traditional inground pools, including lower installation costs, easier site preparation, and faster setup times. With the ability to be partially installed into the ground, they provide a sleek, integrated look while maintaining durability and structural strength, making them a smart, cost-effective choice for any backyard.

Aesthetic Appeal

One of the primary reasons homeowners choose these pools is their ability to blend naturally with the surrounding landscape, unlike above ground pools that often stand out as separate structures, a semi-inground swimming pool can be customized to integrate seamlessly with your backyard’s design. These pools can be partially sunk into the ground, creating a more refined and polished look.

The beauty of this pool lies in its adaptability. You can enhance its appearance with decking, stonework, or wood paneling to match the aesthetics of your outdoor space.

Whether you prefer a modern, sleek finish or a rustic, natural look, a partially buried semi-inground pool allows for plenty of design customization. You can even incorporate, lighting, or landscaping elements to create a luxurious backyard oasis.

Cost-Effective Solution

Fully inground pools can be expensive due to excavation, installation, and finishing costs. Semi-inground swimming pool prices are not hefty and they still offer many of the same benefits. Because they require less digging than inground pools, installation costs are lower.

Additionally, these pools often use high-quality materials, making them a durable investment without the hefty price tag.

Another advantage is that these pools can increase your property value. While an above ground pool may not add significant resale value, a well-designed semi-inground swimming pool can enhance the overall appeal of your home, making it more attractive to potential buyers.

This makes it a smart financial decision for homeowners looking for an affordable yet valuable upgrade.

Flexible Installation for Any Yard

Not every yard is perfectly level, which can create challenges for traditional inground pool installations. Semi-inground swimming pools are an excellent option for properties with slopes, uneven terrain, or challenging landscapes. Their flexible design allows them to be installed at varying depths, making them adaptable to a wide range of backyard layouts.

For homeowners dealing with sloped yards, such type of an inground swimming pool can turn an otherwise difficult space into a functional and beautiful feature. Instead of spending extra money on levelling the ground, you can work with the natural shape of your yard to create a unique and visually appealing pool design.

Materials Used in Semi-Inground Pools

The materials used in the construction of these pools play a crucial role in determining their durability, lifespan, and overall aesthetic appeal. Selecting the right material ensures that the pool can withstand environmental factors, soil pressure, and frequent usage. The most commonly used materials include steel, extruded aluminum, resin, and hybrid designs.

Each of these materials has its own advantages and drawbacks, making it essential to consider factors such as climate, maintenance requirements, and budget when choosing the appropriate material for this type of pool.

1. Steel

Steel is one of the most popular materials used in this type of pool construction due to its exceptional strength and durability. It is particularly well-suited for semi-inground installations as it can withstand high external pressures from surrounding soil and water weight.

The robust nature of steel makes it resistant to bending and deformation, ensuring that the pool maintains its structural integrity for many years.

However, steel is prone to rust and corrosion, especially when exposed to moisture over prolonged periods. To counteract this, manufacturers apply protective coatings such as galvanization or powder coatings, which help extend the material’s lifespan.

Regular maintenance, including inspections for rust spots and reapplying protective coatings as needed, can further enhance the longevity of a steel pool.

2. Extruded Aluminum

Extruded aluminum is a great material for semi-inground pools because it combines strength, durability, and corrosion resistance, which are critical for a pool that sits partially in the ground.

Unlike steel, extruded aluminum doesn’t rust, so it holds up extremely well in wet soil, high moisture, and chemically treated water environments. It’s also lightweight but very strong, giving the pool structure excellent support without putting excessive pressure on the surrounding walls. This makes it ideal for handling the extra stress that comes from backfilled soil around a semi-inground installation.

Another big advantage is its longevity and low maintenance. Extruded aluminum won’t rot, warp, or deteriorate over time like wood or untreated steel, helping the pool keep its shape and integrity for many years. Overall, it gives semi-inground pools a sturdy, long-lasting structure that stands up to harsh conditions while remaining easy to work with during installation.

3. Resin

Resin is a modern material used in this pool construction, offering a sleek and contemporary appearance while providing excellent durability. Resin pools are highly resistant to corrosion, rust, and warping, making them ideal for both semi-inground and above ground applications.

Unlike metal options, resin does not react to moisture, which eliminates the risk of rust and ensures a longer lifespan with minimal upkeep.

Additionally, resin pools are less susceptible to temperature fluctuations. Metal pools may expand and contract with changes in temperature, potentially leading to structural weaknesses over time.

Resin, on the other hand, maintains its form and strength regardless of temperature variations, making it a reliable option for diverse climates. Furthermore, resin components often feature UV protection to prevent fading or degradation from prolonged sun exposure.

4. Hybrid Designs

Hybrid pool designs incorporate multiple materials to combine the best attributes of each. A common hybrid approach involves using a steel wall pool semi-inground installation with aluminum or resin components, creating a pool structure that maximizes durability while reducing maintenance costs.

By integrating these materials, hybrid pools benefit from the strength of steel, the rust resistance of aluminum, and the low-maintenance nature of the resin.

Hybrid designs allow for greater customization and adaptability based on individual needs and environmental conditions. Homeowners who seek a balance between affordability, longevity, and ease of maintenance often opt for hybrid pools as they provide a well-rounded solution.

The combination of materials ensures that the pool remains sturdy, visually appealing, and resistant to common issues such as rust, warping, and temperature-related expansion.

Installation Process for a Semi-Inground Swimming Pool

A proper installation ensures the longevity and safety of your pool. Here’s what you need to know about the installation process:

1. Planning and Site Preparation

• Choose a suitable location with adequate space and sunlight.
• Check local zoning and building codes to obtain the necessary permits.
• Hire a professional to assess the landscape and soil condition.

2. Excavation and Leveling

• Excavate the designated area based on the pool’s dimensions.
• Level the ground to ensure a stable base for the pool structure.
• Install a retaining wall if necessary, especially on sloped terrains.

3. Pool Installation

• Position the pool walls and secure them in place.
• Install the pool liner and fill the pool gradually while smoothing out wrinkles.
• Connect the filtration and plumbing system.

4. Finishing Touches

• Backfill around the pool walls for added stability.
• Add decking, landscaping, or fencing for safety and aesthetics.

Pros and Cons of Semi-Inground Pools

Pros:

Cost-Effective:

These pools are more affordable than fully inground pools, making them a budget-friendly option for homeowners. You can also find discounts on underground pools for sale online.

Customizable Designs:

These pools offer various design options, including different shapes, sizes, and materials, allowing homeowners to match their outdoor aesthetic.

Easier Installation:

Compared to traditional inground pools, these pools require less excavation and labor, reducing installation time and costs.

Ideal for Sloped Yards:

Unlike fully inground pools, semi-inground options are well-suited for uneven or sloped terrain, eliminating costly landscaping adjustments.

Increases Property Value:

A well-designed semi-inground pool can enhance a home’s appeal and boost its resale value.

Cons:

More Expensive Than Above Ground Pools:

While cheaper than inground pools, these pools still cost more than traditional above ground options.

Professional Installation May Be Required:

Some models require expert installation, adding to the overall cost.

Potential for Additional Reinforcement:

Depending on the material and design, certain models may need extra structural support to ensure long-term durability.

Frequently Asked Questions

1. Can I install this pool myself?

Many of our customers install their semi-inground pool themselves and find the process very manageable. It is essential to carefully follow the manufacturer’s installation and safety instructions during the installation process.

The semi-inground installation process would be exactly the same as the above ground instructions except for the digging. Installation manuals and videos for all of our pool models can be found in our Swimming Pool Support Center.

2. Are there different shapes and sizes available?

Yes! These pools come in various round and oval sizes to suit different backyard layouts.

3. How much does it cost to maintain a semi-inground pool?

Maintenance costs range from $150 to $500 annually, depending on pool size, chemicals, and filtration requirements.

4. Where can I find semi-inground pool installation near me?

To find a reliable professional installer, many of our customers will search online on sites like Google for “above ground or semi-inground pool installers” (for more specific results, try adding your ZIP code at the end of the search). Additionally, searching on SuperPages, HomeAdvisor or Angi may also help you find a local pool installation company.

Conclusion

Semi-Inground Pools offer the perfect balance between aesthetics, affordability, and flexibility. Whether you have a small backyard or an uneven landscape, a small backyard semi inground pool can be customized to fit your needs.

With various materials, shapes, and design options available, investing in a semi-inground pool can enhance your outdoor space while providing years of enjoyment.