With the gunite method, the dry concrete ingredients are placed into a hopper and then pushed out pneumatically through a hose to a nozzle. The nozzle operator then controls the addition of water at the nozzle, turning the dry ingredients into concrete that is fully mixed by the time the material hits the host surface.
How long does it take to apply gunite?
While gunite only takes a day on average to install, this process needs three to four weeks for sufficient curing. During this curing process, several other phases of the project will ensue.
What is gunite process?
Gunite is the process of placing the concrete mixture using high pressure compressed air to shoot it onto the surface of the pool. A gunite pool is a concrete pool but the concrete is shot in place not poured.
How do you install gunite?
How to Install Pool Gunite – YouTube
How do you use gunite?
Gunite vs. Shotcrete: What’s the Difference? – YouTube
What if it rains after gunite?
The best thing to do is spray the gunite with a hose 2-3 times a day for a week or so after it is shot. Helps keep shrinkage cracks to a minimum… so a light rain a few hours after it is shot is actually good for it. The only thing I would be concerned about is a heavy rain while they are shooting it…
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.
Is gunite the same as concrete?
You could refer to gunite as concrete’s cousin because they are both in the same family, but have their differences. Gunite is the dry mixed form of sprayed concrete. Gunite typically only contains fine particles in its mix while concrete contains both large and small particles.
How long will 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.
How do you plumb a gunite pool?
TIMELAPSE – HOW TO PLUMB A POOL – YouTube
What is gunite pool pros and cons?
Gunite pools are incredibly durable and do not require a liner. This allows the pool to look better and retain its shape over time. One of the main disadvantages of a gunite pool is the time it takes to install the pool from start to finish.
How thick is a gunite pool wall?
Generally, the pool walls need to be between three and four inches thick. Smooth the pool walls with your trowel, as you did for the base. Now the concrete has to cure properly before you can fill it with water.
Can gunite pools be salt water?
If you’re looking for a simple answer, the answer is yes. Saltwater chlorinators are perfectly safe for gunite pools. The biggest issues reported when using saltwater chlorinators with gunite pools have to do with the tendency of the plaster to stain over time when coming into contact with salt.
Can you pour concrete over gunite?
Yes it is ideal to get the concrete perfect on the first application. Sometimes it happens that it does not. This applies to pools and pretty much anything else made with concrete. New concrete can be bonded to old concrete and the older the concrete is the less of a bond you will get.
Can you shotcrete over concrete?
Shotcrete can be either wet-mix or dry-mix concrete, as long as it’s shot out of a hose, Shot concrete.
Can cement be sprayed?
Dry process sprayed concrete: a predetermined dry mix of cement and aggregate is propelled through a spraying nozzle, where a finely atomised spray of water is added to the stream of materials to hydrate the cement.
How soon can you walk on gunite?
Don’t walk on until about 1.5 days and be more careful watering it.
Can you shoot a pool in the rain?
A: Rain causes delays on the job. We cannot excavate, gunite, pour concrete, install tile or coping, or plaster a pool during the rain. In most cases, we will not work during rain days.
Why do you have to wet down gunite?
What does this mean? To avoid your shell from drying out too quickly, you must wet the concrete frequently.
What goes on top gunite pool?
As your gunite pool shell is curing is the best time to place perimeter tile and pool wall capstones (brick, precast concrete or milled flagstone). The perimeter pool tile allows you to maintain an easily cleanable surface at the water level.
What goes first coping or tile?
Coping should be installed first, and then the tile. If the installation proceeds in the opposite order, damage to the glass often occurs and the resulting repairs can be costly and time consuming.
What is the difference between shotcrete and gunite?
The major difference between the two is that shotcrete is applied pre-mixed with water, so it simply hardens where it falls. On the other hand, gunite is applied as a dry plaster which mixes with water as it leaves the hose. Opting for a gunite pool gives you a few advantages over shotcrete.
What is the difference between Marcite and gunite?
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. They will also start to stain, and inhibit algae due to its porous surface and is the least durable in the plaster pool family.
Which is better gunite or 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 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.
Can you install a liner in a gunite pool?
The topic of the day started out as a question, can you install a vinyl liner into a concrete pool? Yes, you can, and I’ve done it before, on a concrete pool from the 1950’s. Perched on a steep hillside, the pool was crumbing and cracking, and would one day soon need replacement.
Which pool lasts the longest?
Gunite pools are among the longest-lasting pools on the market. When gunite pools are properly installed they could potentially last 100+ years. They are extremely durable and totally customizable.
What type of pool lasts the longest?
It generally takes between three and 12 weeks to install a concrete pool. That’s longer than other types, but concrete is considered the strongest, most durable type of pool. And unlike other in-ground pools, existing concrete pools can be rebuilt, refinished, enlarged, or updated.
How many returns should a pool have?
While many professionals install two returns, some prefer more as a general rule. Builder Guy Wood, for instance, often will place four returns in pools that measure 250 to 600 square feet. A vessel of 600 to 800 square feet will generally have six returns to start.
Should both holes in skimmer be open?
The skimmer sits at the waterline and catches leaves, bugs and trash so they do not clog the filter. Skimmers with a second hole help keep the pump from running dry if the water level is unstable.
How deep are pool pipes buried?
It’s important that pipes are buried deep so that they don’t freeze. It is usually 3 to 3.5 ft deep.
Is a gunite pool 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. This should be taken into account when considering the higher cost of Gunite pools. You’ll get many more years of use from a Gunite swimming pool.
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.
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.
How thick is the concrete in a gunite pool?
To be structurally sound, a concrete pool shell should generally be 6 inches thick. Depending on the engineer and the soil condition, it may be more. (On top of that, the plaster interior finish should be at least ⅜ inch thick.) The pool will also need to meet the ANSI/APSP standards.
How much concrete is needed for a pool?
Plan on at least 5 minutes per cubic yard, for unloading time. How much concrete do I need? Order this much concrete, for these standard pool sizes. 12 x 24 – 5 yards, 14 x 28 – 6 yards, 16 x 32 – 7 yards, 18 x 36 – 8 yards and a 20 x 40 – 9 yards.
What is shotcrete swimming pool?
Concrete shotcrete are formed using pneumatically applied concrete, meaning they are sprayed on with a high-pressure air hose. Crews shoot the material over a reinforcing network of steel bars. Concrete pools provide unparalleled levels of design flexibility and aesthetic quality.
What happens if salt level is too high in pool?
Highly excessive salinity levels (over 6,000 ppm) will cause corrosion damage to metallic equipment, such as ladders and handrails. The salt will be diluted as fresh water will be added when the pool is filled up with rain and by tap to keep the pool level up.
What are the disadvantages of salt water pools?
- You will need to store and handle high amounts of salt.
- Muriatic acid will need to be added to the pool water on a regular basis.
- The pH levels will need to be continuously monitored.
- Any issues with the generator or pool system may require help from a professional.
Does salt water pool ruin decking?
Saltwater pools offer many benefits over chlorinated pools, but they do come with their own set of problems. In particular, they can be tougher on decking than traditional pools, so you need to take extra care to ensure your structure will be saltwater resistant.
Is gunite cheaper than concrete?
Gunite is generally a less expensive process than shotcrete and concrete pouring, with most of the same advantages as shotcrete.
Can shotcrete get wet?
Shotcrete needs to be protected from rain until it obtains its final set, usually 4 or 5 hours. Following final set, it should be wet cured for at least 4 days, preferably 7 days if possible. The exposure to rain would prove beneficial as the rain would assure the presence of moisture for continued curing.
What is better gunite or fiberglass?
While they are easier to install, fiberglass pools are nowhere near as durable as a gunite inground pool. The inside surface of this type pool is a gel coat on which the fiberglass has been laminated. The walls of the pool are only ½ to ⅜ inch thick compared to the 8 to 10 inch thickness of a gunite pool.
How long does it take for shotcrete to cure?
Concrete, when applied using the shotcrete process, or cast-in-place, needs to cure for 7 days. Water is the best curing method (7 continuous days).