How Long Does Gunite Pool Last?

If you’re considering installing a swimming pool, you’ve probably heard that gunite pools are one of the most durable options available. But there are options like fiberglass and vinyl pools, too. So, why opting for gunite pools is considered more ideal choice?

The longevity factor plays an important role in deciding the right pool for you. Gunite pools are best known for their durability.

 But exactly how long do gunite pools last? And what factors impact gunite pool durability and gunite pool longevity? Let’s dive into everything you need to know about the lifespan of a gunite pool and how to extend it.

What Is A Gunite Pool?

A gunite pool is an in-ground pool. It is made with a reinforced steel framework that is sprayed with a mixture of cement, sand, and water. This creates a rock-solid structure that is known for its strength and durability. Gunite pools are popular because they offer complete customization, enabling you to decide the shape, size, and finish. It makes them an attractive choice for homeowners looking for a long-lasting pool.

Gunite vs. Shotcrete: What’s the Difference?

Many people confuse gunite with shotcrete, but there is a key difference. While both methods involve spraying concrete onto a steel framework, gunite is applied dry and mixed with water at the nozzle, whereas shotcrete is pre-mixed and applied wet. Gunite is often preferred for pool construction due to its superior strength and workability.

The Average Life of a Gunite Pool

So, how long do gunite pools last? On average, a well-maintained gunite pool can last 50 years or more. However, certain components of the pool, like the plaster surface, tiles, and decking, will require maintenance and resurfacing over time.

Here’s a breakdown of the expected lifespan of different parts of a gunite pool:

While the gunite pool durability is impressive, proper care and maintenance will help ensure your pool remains in excellent condition for decades.

Factors That Impact Gunite Pool Longevity

Several factors influence gunite pool longevity and how long it will remain in great condition:

1. Quality of Construction

A gunite pool is only as strong as the craftsmanship that goes into it. A professionally installed pool with proper reinforcement and high-quality materials will last significantly longer than a poorly constructed one.

2. Plaster Maintenance

The plaster surface of a gunite pool protects the concrete shell and provides a smooth finish. Over time, exposure to chemicals, water, and physical wear can cause it to deteriorate. Resurfacing your pool every 7 to 15 years to maintain its appearance and structural integrity.

3. Proper Water Balance

Maintaining balanced water chemistry is a must to prevent damage to your pool’s surface. Unbalanced pH levels, alkalinity, and calcium hardness can lead to scaling, etching, or staining, which can shorten the lifespan of your pool finish.

4. Regular Cleaning and Maintenance

Routine cleaning, skimming, brushing, and vacuuming help prevent algae growth and mineral buildup, which can deteriorate the plaster and tiles. A pool professional can also help identify and fix small issues before they become major problems.

5. Climate and Weather Conditions

Pools in areas with extreme freeze-thaw cycles may experience more wear and tear due to expanding and contracting materials. Proper winterization and off-season maintenance can help protect your gunite pool from weather-related damage.

6. Usage and Traffic

A pool that sees heavy use will naturally wear down faster. Frequent jumping, playing, and high-impact activities can contribute to plaster erosion and potential surface damage. Regular inspections can identify early signs of wear and tear.

7. Type of Pool Finish

Different pool finishes have varying lifespans:

• Standard white plaster: 7-10 years
• Quartz finish: 10-15 years
• Pebble finish: 15-25 years
• Tile finish: 20+ years

Choosing a durable finish can significantly impact how often your pool needs resurfacing.

8. Soil and Ground Stability

Soil movement can put stress on a pool shell, potentially leading to cracks over time. A professional pool builder will assess the ground conditions before construction to mitigate risks associated with soil shifting.

Ways To Extend the Life of Your Gunite Pool

If you want to increase the gunite pool longevity, take a look at some of the most essential tips:

1. Resurface When Needed

Resurfacing your pool as soon as you see signs of deterioration. Look out for rough patches, cracks, or discoloration to prevent further damage and lifespan extension.

2. Monitor and Balance Chemicals

Test your pool water at least once a week and keep pH, chlorine, and alkalinity levels within recommended ranges. This prevents chemical damage to the plaster and equipment.

3. Brush and Clean the Pool Regularly

Keep the walls and floor of the pool clean to avoid algae growth and remove debris that can damage the surface.

4. Repair Cracks Immediately

Small cracks can expand over time, resulting in major structural problems. Addressing them early can prevent costly repairs down the road.

5. Upgrade Equipment When Necessary

Old or malfunctioning pool equipment (pumps, filters, heaters) can lead to inefficient water circulation and poor sanitation, which can impact the longevity of your pool.

6. Winterize in Cold Climates

If you live in an area with an extremely cold climate, then you must properly winterize your pool to prevent damage from ice expansion.

7. Limit Harsh Pool Chemicals

While chlorine is essential for pool sanitation, using too much can accelerate the wear of your plaster and tiles. Consider alternative sanitation systems like saltwater generators or mineral-based sanitizers to reduce chemical impact.

8. Schedule Professional Inspections

Having a pool expert inspect your pool annually to identify minor issues before they become major saves you money on repairs.

Is a Gunite Pool Worth It?

With proper maintenance, a gunite pool durability of 50+ years makes it one of the longest-lasting pool options available. While the initial cost of gunite pool and resurfacing expenses are factors to consider, the strength, customizability, and long-term value of a gunite pool make it a worthwhile investment for many homeowners.

If you’re looking for a pool that can stand the test of time, a gunite pool is an excellent choice—as long as you commit to regular maintenance and resurfacing when needed.

Final Thoughts

So, how long do gunite pools last? With proper care, the average life of a gunite pool is 50 years, making it a great long-term investment. While the plaster and tiles will need maintenance and resurfacing over time, the structural integrity of a gunite pool is unmatched.

If you’re planning to install a pool or looking for ways to extend the life of your existing gunite pool, regular upkeep, and professional servicing will keep it in top condition for decades to come.

Thinking about a gunite pool? Make sure to hire experienced professionals to get the best results!