Plaster is the final FINISH on top of the gunite structure. All inground gunite pools have the same structure (gunite or dry shotcrete – synonymous terms). … Plaster is also called marcite or merbelite. It is one of many types of interior finishes available for a gunite pool.
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Do all gunite pools have plaster?

Not only are gunite pools the hardiest and most durable form of concrete pool, but when you install one, you have the most options for finishing. The most common are plaster, pebble, and tile, with less common alternatives like quartz and glass.

Is plaster the same as concrete pool?

As with most concrete pool finishes, plaster is rough to the touch. Plaster accommodates algae, so it requires surface maintenance every week and acid washing every 3-5 years. … Plaster is the least durable of the interior finishes for concrete pools. It only lasts 5-10 years.

What type of material is gunite?

What is Gunite? Gunite is made of sand, water, and cement, and it’s basically the same as regular concrete, with one important exception. Unlike traditional concrete, which is poured by section into wooden frames, gunite is applied in layers using a specialized spray gun.

What type of plaster is used for pools?

Plaster is the classic pool surface finish as far as swimming pool plaster materials are concerned. It’s a mixture of Portland cement, water, and silica/sand dust. Marcite or conventional white plaster provides a classic, smooth appearance.

Do gunite pools hurt your feet?

Many swimmers and children find the rough bottom in a gunite pool to be very abrasive and uncomfortable. It is not uncommon to scrape and or irritate your feet if the swimmer is in the pool for long periods of time and sitting on the pools steps or benches will certainly snag a swim suit.

How much does it cost to resurface a gunite pool?

Average Cost to Resurface a Pool Gunite and fiberglass can average up to $6,500, including labor. Depending on what you currently have, resurfacing may require completely replacing the pool surface and base. This costs between $35,000 and $65,000 and is essentially the same as the cost of building a new pool.

What is the difference between Marcite and gunite?

Gunite pools have been around since the ’60s and are the most durable pool finish due to being made from concrete. … While Marcite plaster is the least expensive of the gunite pool surfaces, it does have its disadvantages. The surface can start to show visible chipping or etching after 5 to 7 years.

What type of pool is gunite?

Gunite pools use a rebar framework that is sprayed over with a concrete and sand mixture. Gunite is exceedingly durable, so swimming pools made of this substance are built to last. The versatility of gunite swimming pools means more than the ability to create an unlimited array of shapes.

How do I make my gunite pool smooth?

  1. Sander. If you have a large pool, then start with a floor sander. …
  2. Small Grinders. For small jobs, you can also use grinders. …
  3. Large Grinder. The largest type of grinder is the walk-behind, which is another type of floor grinder. …
  4. Edger.
Does gunite need to be sealed?

One of the most important steps in gunite or concrete swimming pool construction is selecting the right type of waterproofing. Concrete is a porous substrate prone to water penetration; therefore, it has to be sealed to keep water in the pool, in addition to keeping ground water out, which is often forgotten.

Are gunite pools worth it?

Custom Gunite pools are very durable. Among the different types of in-ground pools available today, Gunite pools last the longest and have the best warranties. … You’ll get many more years of use from a Gunite swimming pool. Gunite pools are easier to construct than concrete swimming pools.

Do gunite pools crack?

Gunite Pool Surface & Crack Repair Gunite pools are very durable, but over time, cracks in the concrete can form, plaster can deteriorate, and repairs need to be made. Pools can be costly additions, so it is essential to keep your pool looking and functioning at its best.

How long after gunite Can you plaster?

Prior to plaster: 3 weeks While the gunite is curing, the beginning of many other processes will begin. During the three-to-four-week curing process, you can expect to see tile and coping take place (plus any additional stonework that may include grills, fireplaces, and firepits).

What is the longest lasting pool finish?

Tile Finishes Though tile is the most expensive pool finish and takes longer to install than plaster and aggregate, it’s the longest lasting pool surface. With proper application and minimal maintenance, tiles should never need to be replaced. Tile pool finishes come in ceramic, porcelain, glass and stone.

How soon can you swim in a pool after plaster?

After the pool is full it usually takes up to 1 week before the pool is ready for you to swim. The shortest timeline we have seen for swimming after filling a plaster pool is 5 days.

What can go wrong with a gunite pool?

  • Incompatible with salt – That’s right folks. …
  • Surface is a wear item, you need to replace it – Now whether or not you have salt in your water a concrete pool will need to be resurfaced. …
  • Concrete cracks – As a NCMA certified mason I know this all too well.
How often should you resurface a gunite pool?

On average, gunite swimming pools last 7 to 10 years before they need to be resurfaced. When that time comes, it’s important to know what options are available so that you can pick the best choice for your backyard space.

Is gunite better than concrete?

Unlike concrete, when building gunite pools, you can stop and start without any problems, which will help give a smoother finish. With a skilled nozzleman, the mix of cement and water can be adjusted at the point of delivery as required, while it is also less prone to cracking than concrete.

How long can a gunite pool last?

A poorly built Gunite pool certainly has the potential to crack. But a properly built Gunite pool can and should last for 100 years or more, with no risk of cracking whatsoever. We’ve been building Gunite pools for more than 40 years (more than 4000 swimming pools), and we’ve never had one crack yet.

Can a gunite pool be painted?

To summarize paint and surface compatibility, if you have an unpainted concrete or plaster pool, epoxy or premium acrylic are the best paint choices. For an unpainted fiberglass or gunite pool, epoxy is recommended. … Epoxy should be used if the pool was previously painted with epoxy.

Is gunite the same as Pebble Tec?

Pebble Tec pool finishes are stain-resistant which allows for easy maintenance. … The combination of gunite pools with Pebble Tec finishes offers endless design options, as well longevity less overall maintenance.

Which is better gunite or shotcrete?

Durability. Gunite generally lasts longer and maintains a higher quality than shotcrete. For instance, gunite tends to dry faster than shotcrete, leading to a much smoother surface and avoiding significant cracks from shrinking. Gunite can also withstand up to 9500 psi, a much higher psi than shotcrete.

Is Quartz better than plaster pool?

Quartz surfaces are more durable than plaster and offer some color variety like pebbles. Quartz finishes are perfect for families who want a low maintenance option, but also want their pool to define the backyard. … Alternatively, think about changing up your backyard by resurfacing your pool with a new finish.

Can a gunite pool be left empty?

Your in-ground gunite pool is designed to hold water. When you remove the water from a gunite pool and leave it empty, you run a significant risk of damaging your pool. … The external pressure of water in the surrounding soil can collapse the gunite or even pop it up out of the ground.

What type of pool is easiest to maintain?

Pool Shape: Rectangular Swimming Pools Rectangular swimming pools are the easiest of swimming pool types to clean, with oval-shaped pools coming in second place. The reason for this is simple: these pools have smooth edges, so these designs are less likely to entrap and catch dirt and debris.

What goes on top gunite pool?

Coping and Tiling Therefore it is normal that the Gunite pools have tile installed along the top six inches of the pool. This is to transition from water to air and keep the finish wet. Coping is either a stone or brick border that goes around the entire perimeter of the swimming pool.

Can you tile a gunite pool?

Gunite is a sand and concrete mixture which is used for many different applications due to its durability and lower permeability. … The most common finish is plaster, which is a mixture of cement and marble sand, but other options are available such as a tiled finish, concrete paint, or even pebble surfaces.

Are gunite pools more expensive?

While gunite pools vary widely in cost, you can expect to pay significantly more for a gunite pool than you would for a vinyl liner pool.

Should gunite be waterproofed before plaster?

The concrete above the ground is a different story from the in-ground pool shell. … These concrete walls are basically water retaining walls. Based on who we spoke with, in our opinion, raised walls should always have a pool waterproofing layer applied to them before plaster or tile are installed.

Can you use salt water in a gunite pool?

If you’re looking for a simple answer, the answer is yes. Saltwater chlorinators are perfectly safe for gunite pools. … As far as concerns about the gunite surfacing experiencing corrosion or pitting because of the salt in the water, rest assured salt is no more damaging to the structure of concrete than chlorine.

How long after gunite can you tile?

Typically installed 3-4 days after gunite, the tile and coping crew will install your tile, coping, and trim or spot tile selections.

What is the cost of a 20×40 gunite pool?

Pool Size (feet)Price14x28$19,600 – $48,75016×32$25,600 – $66,56018×36$32,400 – $84,24020×40$40,000 – $104,000

What is the smoothest pool finish?

PebbleFina® – provides the smoothest finish with superior strength and long-lasting durability, made from PTI’s smallest pebble. Choose from 11 different color options. PebbleBrillinace® – combines vibrant glass beads and natural stone to deliver a captivating finish and a uniquely brilliant water color.

What does it cost to Replaster a pool?

The typical cost to have a pool replastered is between $4 and $7 per square foot. Assuming an average pool size of 16 feet by 32 feet, 4 feet deep on the shallow end and 8 feet on the deep end, that’s total of 1,088 square feet. If the cost is $5 per square foot, replastering would cost $5,440.

Is gunite better than fiberglass?

Fiberglass is a smooth, nonporous surface so algae won’t stick to the walls. Gunite walls, typically made of porous materials, can be a breeding ground for algae. … This means, you don’t have to scrub the walls as you would with a gunite pool, making it easier to maintain.

How many days should you water gunite?

A: The gunite shell must be maintained moist for at least 7 days after application is completed. The gunite should be sprayed with water using your water hose and spray nozzle. Gunite will cure better and properly if kept moist. You can apply a light mist of water hours after the gunite application is completed.

How long after Marbelite Can you swim?

It is highly recommended that the pool be completely filled with water 24-30 hours or sooner after marbelite application is complete to avoid the finish from drying out. Shrinkage cracks or webbing may occur and will be visibly more apparent or mottled coloured applications if the pool is not filled quickly enough.

How often should you water gunite?

Maintaining Your Gunite Shell Not enough watering throughout the day will leave a negative impact on your pool’s shell. It is recommended you water 3-5 times daily for about a week. Your concrete pool will thank you!