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Gunite Pool (Pros and Cons, Colors & Finishes)

Here we share our gunite pool pros and cons guide with what it is, different colors, finishes, cost, installation, adding a hot tub, and resurfacing tips for gunite pools.
Backyard with gunite pool, concrete deck, shade, hot tub, and metal fence Are you considering purchasing a new swimming pool for your backyard? Concrete, fiberglass, and vinyl liners are the three kinds of inground pools you are undoubtedly familiar with. If you have been thinking about buying a concrete pool, we are sure you have come across gunite pools.

Gunite has been the standard for both commercial and residential swimming pool construction due to its design versatility and durability. This article will go over the basics of gunite pool material, how you use it in pool construction, its advantages and disadvantages.

What Is A Gunite Pool

Backyard gunite pool with lounge chairs, plants, and fence Gunite is a kind of concrete. To be more exact, the phrase “gunite” refers to transforming concrete from a large glob of viscous goo into a beautiful and functioning swimming pool.

Gunite is a concrete mix of sand, cement, and water poured using a high-pressure hose and is known for its consistent structural strength. Gunite cures to a rock-hard consistency, generating a thick, solid structure.

It has had a specific role in swimming pool construction for decades, combined with another strong building material—steel—and an interior finishing layer of plaster. Gunite is very flexible to the pool form; it creates flowing lines, diverse curves, depths, and forms, all of which come together in a visually pleasing structure.

The smooth mix, made primarily of cement and marble dust, may include tinted quartz aggregate for increased durability and beauty. Plaster is the final layer that waterproofs a gunite pool, and it is this dazzling inside surface that everyone sees.

Gunite Pool Pros

Backyard area with gunite pool, and brick fence Here are the following advantages of the gunite pool:

Durable and a solid foundation: The gunite pool’s construction and surface material are both very durable. Gunite pools are ideal in business settings where vandalism is a worry because of their resilience and absence of a liner.

Furthermore, gunite maintains its form for an extended time because of the steel structure. These pools are the most durable of all inground pools, and they often come with the most outstanding warranties.

Limitless design options: The swimming pool design options are practically limitless because of the gunite pool’s on-site planning and manufacturing. On the other hand, fiberglass pools are manufactured to a particular form before being transported to the site in one piece and lowered into the pool hole.

Pool surfaces built of concrete or plaster may have a variety of finishes, including tile, stone, and manufactured textures. You may also add pool waterfalls, custom stairs, and other water features.

Built to last: The plaster-coated shell is concrete, resilient and porous, enabling it to store water, give stability, and extend its life. Because gunite pools do not need wooden supports to maintain their form, they are easier to construct than regular concrete pools. The pools can withstand a lot of tension and strain.

Versatile: Gunite pools allow you to change the pool’s geometry, which is ideal for people who desire a particularly deep or colossal pool and one with bespoke tanning ledges. Furthermore, because of the steel framework employed in conjunction with this material, gunite may keep its resilience and form over time.

Easy to customize: With bespoke gunite pools, you have additional options for adding different swimming pool water features. The sky’s the limit when it comes to personalizing a gunite pool since the process of construction is more receptive to unique pool shapes and designs.

You may make a gunite pool in any size, shape, or depth. You may go creative with built-in barstools, uneven underwater seats, tanning ledges, and more when it comes to facilities. Gunite pools also allow you to add monolithic containers such as streams, spas, and waterfalls, which enhance the natural aspect of your pool.

Increases the value of your house: Even though fiberglass pools are growing around the nation, many experts think that a big concrete pool is still a better selling factor for homeowners.

The explanation for this might be because gunite pools were more widespread in the 1970s and 1990s, and as a result, gunite pools were in the majority of recent house purchases that included a value for swimming pools. 

Greater return on investment: These pools need less care and are ideal for homeowners who want to modernize their homes. This pool lasts longer because of its durability, making it an excellent investment for your home because it lowers future costs.

Gunite Pool Cons

Backyard gunite pool with plants, and epoxy deck Here are the following drawbacks of installing a gunite pool:

Longer installation time: Building gunite pools from the ground up may take 2-3 months or more. It depends on how much work is on-site and how long it takes for the concrete to cure. 

Rough bottom: The rough bottom of a gunite pool is abrasive and unpleasant for many swimmers and children. If a swimmer is in the pool for an extended amount of time, it is typical to scratch and irritate their feet, and sitting on the pool’s stairs or benches will almost surely snag a swimsuit.

Higher maintenance: What is clear is that gunite pools have substantially higher maintenance and energy expenditures. Because the pool’s surface interacts with the water and may serve as a breeding ground for algae, extra upkeep is required.

Furthermore, it is best to renew a plaster finish placed on concrete pools every 7 to 10 years. Frost may also harm concrete pools in colder areas, necessitating periodic surface repairs. Read more about different swimming pool finishes here.

Porous: Concrete is incredibly porous, making it challenging to maintain, and it also provides a haven for algae. It is necessary to employ extra chemicals and upkeep to keep algae at bay.

The alkaline pH of the pool shell elevates the pH of the water regularly, necessitating the addition of acid frequently to counteract this effect.

Gunite Pool Colors

Backyard with concrete gunite pool, shade, and lounge chairs The finishing material employed determines a gunite pool’s final color and texture. Here are the most common gunite pool colors:

Standard White Pool Plaster: Plaster with white marble dust, often known as marcite, has been the most widely used finishing material for swimming pools. The traditional finish of white plaster is tried and true.

White plaster is still extensively utilized today for individuals who wish to emulate the Hollywood glamor look (especially in Greek villas). The color will darken a few shades when exposed to light.

Light Colored Plaster: A light-colored blue or gray plaster provides your pool with more color depth than a white plaster finish. As you walk from the entrance to the deep end, this light blue plaster offers a gradient hue. The darker the water color becomes as the pool gets more profound, which is particularly visible with light plasters.

Blue Plaster: Depending on the shade of blue you choose, it might seem like you’re swimming in a pool of sapphire jewels. Using a midnight blue plaster is the simplest method to get this appearance. Keep in mind that colors may differ somewhat across manufacturers.

Tahoe blue is another famous blue that is less vivid and more traditional. Regardless of your decision, blue plaster looks excellent next to a light-colored deck, giving the pool a pop of color.

Green Plaster: Green-colored plasters are often in resorts, and they strive for a light aqua water hue that gives the pool a tropical feel. The water color in the shallow regions (such as the tanning ledge) contrasts sharply with the color in the deeper sections of a the pool, as it does with any light-colored plaster. This aesthetic may be gorgeous with the correct deck paint and patio furniture.

Teal Colored Plaster: Teal-colored plaster has a distinct appearance that many pool owners choose for various reasons. For starters, it looks like a pool in an exotic Asian home.

Second, they are separate from one another. Third, they resemble a lagoon instead of appearing like a traditional pool. Teal plaster has a deeper hue than green plaster, resulting in a darker, more uniform color across the pool. See more pictures of lagoon style pools here.

Dark Gray/Black Plaster: Dark plasters draw attention to the pool and give it a high-end feel. The stone pool deck and the dark stone wall with black water feature accents look fantastic with this dark gray plaster. Dark plasters improve the water’s reflecting characteristics, simulating an actual lake. 

Gunite Pool Finish

Beautiful backyard with gunite pool, hedge plants, and trees Plaster finishes are incredibly smooth and cost-effective, but they need ongoing care and water testing to avoid discoloration and premature eroding. The good news is that pool finishes do not only limit to plaster. While aggregate and tile types of pool finishes are more costly, they may give richer color tones and durability.

Aggregate Pool Finishes: Pebble finishes, also known as aggregate finishes, have a pleasing natural look and texture and come in a broad range of hues. Even though aggregate materials are more costly than gunite and plaster, they are more resistant to pool chemical abrasion and have longer product life.

While pebbles are the most used aggregate, other aggregates like quartz and marble are increasingly gaining favor. In the aggregate finish sector, even glass is making inroads. 

Tile Finishes: Tile pool finishes are the best of the bunch. Pool tiles do not need replacement if adequately maintained. The disadvantage is that they are the most costly finish choice. There are three types of pool tiles: ceramic/porcelain, stone, and glass.

Ceramic/porcelain is the least expensive of the three options. Porcelain is more durable than ceramic and is the preferred choice at this pricing point. You may see porcelain tiles in many hotels and public pools because they endure a long time, are simple to clean, and are available in many designs and mosaics. 

• Stone tiles are a pool finish that elevates your pool’s degree of elegance. Granite, limestone, travertine, quartzite, and sandstone are popular stones. Stone is anti-slip, salt water-resistant, and will not fade due to chlorine exposure owing to its inherent qualities. 

• Glass tiles, unlike stone, have a sheen to them, which means they reflect a lot of light. The water may nearly appear like bits of diamonds are sprinkled throughout the water with some darker tiles. Glass tiles offer your pool an ultra-luxury aesthetic. 

Gunite Pool Cost

Outdoor area with gunite pool, concrete deck, and hot tub A complete cost installation of a gunite swimming pool is between $55,000 and $100,000. Still, it depends on the features included. However, in today’s COVID-era pool market, we seldom see gunite installs for less than $100,000.

Because you can customize gunite pools to any size, shape, and depth, with almost any conceivable feature, expenses can rapidly rise into the six-figure range even if you seek to build a smaller and less unique gunite pool design.

Gunite Pool Installation

Contractor building gunite pool Digging your pool form and installing the iron rebar will be the first steps in constructing your new pool. The rebar framework forms a grid around the perimeter of your pool to support the construction. As the pool builder sprays a thick layer of gunite around the rebar, you’ll start to see your idea come to life. After that, the gunite is polished and allowed to set.

You will add your pool finish to your custom-designed backyard after being set. Plaster is the most popular finish since it comes in various colors to fit your poolscape.

If you look for a more high-end and distinctive design, a tiled finish may be more to your taste. Tile elements in your plaster finish may offer intrigue and a splash of color.

Adding Hot Tub To Existing Gunite Pool

Backyard with gunite pool, hot tub, shed, and wood fence In most places, adding a hot tub to your gunite pool costs roughly $6,500.00 and may cost up to $10,000.00, depending on design customization and size. Many new pool purchasers may justify this expense, while others spend all of their money on pool-specific amenities.

Prices for connected spa combinations tend to rise when the size exceeds 7 feet (inside), increasing above the pool level. Installation of a spa to a pool during construction is far less expensive than adding one afterward.

Adding a hot tub is similar to constructing a tiny pool. Just deciding whether to include a hot tub (or not) is a vital choice; then there is the design, shape, height, spillway, seats, and where to place the pool’s deep end, among other things. As with creating a personalized pool, you may begin with a cookie-cutter spa and work your way up. 

Gunite Pool Resurfacing

Outdoor area with gunite pool, hedge plants, and flowers In many circumstances, gunite pool resurfacing may revitalize an old pool and bring it back to life. Here are several clear indicators that it’s time to resurface your gunite pool.

1. Stains: In most cases, a stain on your pool’s surface is minor damage that is more bothersome than dangerous. But, much like that stain on your favorite shirt, we know how aggravating a pool stain can be when it’s the first thing you notice whenever you’re near your pool.

• Texture: Texture is a massive red flag if it seems rougher than it should or if the gunite is starting to show through. Unbalanced pH levels in your pool’s water may damage and ruin a pool’s surface in addition to coloring it. 

• Leaks: What is the capacity of your pool to hold water? A worn or broken pool surface will likely leak water. Like a failing surface, pool leaks will only become worse. 

For gunite pools, there are a few potential resurfacing alternatives:

Marcite: Marcite is a standard plaster treatment for pool surfaces made of cement, water, and marble dust (or silica sand). This surface, sometimes known as white plaster, is trustworthy and offers a waterproof cover over porous gunite.

Marcite is also a popular option among pool owners due to its affordability and smooth, conventional look. This finish is especially appealing because it reflects light within the pool, creating a refreshing, vibrant blue look.

Quartz Aggregate: A quartz aggregate, which lasts longer than marcite, is made out of plaster combined with minute bits of quartz, stones, glass beads, and other materials. Many clients choose this since it is more durable and stain-resistant and provides a beautiful aesthetic via bespoke mixing possibilities. 

A comprehensive checkup by a pool specialist is the best thing you can do for your aging pool. A professional will inspect all essential equipment for leaks, malfunctions, and proper functioning, including the pump, heater, filter, and drains. 

How Much Does It Cost To Resurface A Gunite Pool

Outdoor area with gunite pool, lounge chairs, and trees The cost of gunite and fiberglass, including labor, may reach $6,500. Resurfacing may need to rebuild the pool surface and foundation entirely, depending on what you already have.

This costs between $35,000 to $65,000, similar to constructing a new pool. Paint is inexpensive and comes in a variety of colors. For those with prior expertise, this may be a do-it-yourself project. 

Gunite Pool Maintenance

Outdoor area with gunite pool, lounge chairs, hedge plants, and deck Gunite pools may be expensive to maintain in the long run. Over ten years, we have seen gunite and shotcrete pools cost over $2,700 per year. This 10-year maintenance cost of $27,000 includes more chemicals and energy than comparable-sized fiberglass or vinyl liner pools.

It also covers the costly but necessary expenditures of replastering and acid cleaning. You’ll need to use extra chemicals and filtration and brush your pool more often to eliminate algae.

Gunite and shotcrete pools, unlike fiberglass or vinyl types of liner pools, will ultimately exhibit indications of wear. You will need to refinish your pool’s surface to keep the smooth and appealing look, which involves applying a new coat. On the other hand, unlike vinyl or fiberglass pool rivals, your gunite pool will never lose its form.

Remember that routine care will keep your pool in great shape, whether you have a concrete pool, fiberglass, or gunite pool. But definitely, gunite pools are very fantastic because of their exceptional durability and aesthetic appeal.

See more related content in our article about the different swimming pool sizes on this page.

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