Leo Martínez
Swimming pools can be resurfaced using plaster or paint. While plaster is more durable, paint is available in a variety of colours and provides a smooth finish. Both options require the pool to be drained, but the preparation work for plastering is more extensive and industrial. Paint is also a more affordable option, but it may not last as long as plaster, and repainting every two years can be impractical for most homeowners.
| Characteristics | Values |
|---|---|
| Durability | Pool plaster is more durable than paint. Plaster can last 15-20 years, while paint typically lasts 2-7 years. |
| Cost | Pool paint is generally cheaper than plaster in the short term, but plaster may be more cost-effective in the long term due to its longer lifespan. |
| Maintenance | Painting a pool may lead to increased maintenance challenges, such as filtration issues and chemical imbalances. Repainting is often required every two years, which is impractical for most homeowners. |
| Appearance | Paint offers a wider range of color options and can provide a shiny and glowing appearance that plaster may lack. |
| Preparation | Painting a pool typically requires less preparation than plastering. However, proper surface preparation is essential for successful paint adhesion. |
| Climate | Plaster is better suited for extreme climates and can withstand temperature changes and intense heat better than paint. |
| Safety | Pool plaster is preferred for its smooth finish, reducing the risk of scrapes and cuts. |
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What You'll Learn
Painting a pool: pros and cons
Painting a pool can be a great way to upgrade its surface and give it a new lease of life. However, it is not a one-size-fits-all decision, and there are pros and cons to consider before taking the plunge.
Pros
Painting a pool offers a variety of colour options, allowing you to achieve a traditional or modern look. It provides a smooth and seamless finish, enhancing the overall appearance of the pool area. Painting is generally less expensive than plastering, and certain paint types, such as epoxy, can last up to 10 years.
Cons
The longevity of a painted pool surface is often shorter than plaster. Unless epoxy paint is used, the surface may not last as long as desired. Preparation for painting can be extensive, especially if the pool was previously painted, as the old paint must be removed.
Other Considerations
The success of a paint job is not guaranteed, and there may be challenges with maintenance and upkeep. Paint particles can be difficult for filters to remove, leading to cloudy water and potential filtration issues. Repainting is typically required every two years, which may be impractical for many homeowners.
Additionally, the availability of materials, climate, and budget should be considered. The drying and curing time can be affected by the climate, and the cost of a full-scale refinish versus minor maintenance will vary.
In conclusion, while painting a pool can offer aesthetic and financial benefits, it is important to weigh these against the potential challenges of maintenance, longevity, and preparation. Consulting with professionals is advised to ensure the most suitable and durable solution for your swimming pool.
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Plastering a pool: pros and cons
Pool plastering and repainting are two methods of resurfacing a pool. Both methods have their own pros and cons, and the ideal choice depends on several factors, including budget, availability of materials, and climate.
Pros of Plastering a Pool:
- Longevity: Pool plaster, when properly mixed, applied, cured, and maintained, can last 15-20 years, which is significantly longer than pool paint.
- Durability: Plaster is more durable than paint and can withstand more adversity due to its thickness. It holds up better against temperature changes, chemicals, and volatile weather.
- Smooth finish: Plaster provides a smooth, white finish that is often desired by pool owners.
- Increased value: Pool resurfacing with plaster can help preserve and increase the value of the pool.
Cons of Plastering a Pool:
- Cost: Plastering a pool can be expensive, with costs starting at $4,000 and going up depending on the desired look.
- Preparation: Plaster requires a more industrial and complex preparation process than painting. It involves cutting the plaster, acid-etching the surface, and sometimes applying a \"scratch coat\" for better adhesion.
- Defects: There is a possibility of defects in the plaster job, such as spot etching, delamination, variations in hue, streaking, or trowel burn.
Pros of Painting a Pool:
- Cost-effective: Painting a pool is generally more affordable than plastering, with the total cost of materials being around $1,000.
- Variety of colors: Paint offers a wider range of color options compared to plaster, allowing for a traditional or unique look.
- Smooth finish: Paint provides a smooth and seamless finish, with epoxy paint resulting in a satiny finish.
- Ease of application: Painting a pool is a straightforward process once it has been cleaned and prepared. It can be done by the pool owner or a professional.
Cons of Painting a Pool:
- Short-lived: Pool paint typically lasts between 2-7 years, depending on the type of paint and application factors. Unless epoxy-based paint is used, it may not provide the desired longevity.
- Maintenance challenges: Painted pools may face issues such as filtration difficulties, chemical imbalances, and cloudy water due to paint particles in the water. Repainting is often necessary every two years, which is impractical for most homeowners.
- Preparation: Painting a pool requires proper preparation, especially if the pool was previously painted. The old paint must be removed, and the surface must be cleaned and prepared before painting.
- Climate sensitivity: Paint may not hold up well in extreme heat and intense sunlight, requiring more frequent recoating.
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How to paint a pool
Painting a pool can be a tricky task, and it is important to be aware of the challenges and complications that may arise. While it may seem like a quick fix for problems like stains and wear, it can lead to long-term maintenance issues and is generally not a sustainable solution.
Step 1: Preparation
Firstly, it is crucial to determine the type of paint previously used on the pool surface. This is important because certain types of paint cannot be applied over others. For instance, you cannot paint a pool that was previously painted with epoxy pool paint using chlorinated rubber pool paint or vice versa. To identify the previous coating, rub the pool surface with a rag dampened with acetone for 30 seconds. If the surface becomes sticky, it is coated with chlorinated rubber; if it is unaffected, it is an epoxy coating.
Step 2: Surface Preparation
Once you have identified the previous paint type, you can purchase the correct pool paint for your pool. Before painting, the pool surface must be thoroughly cleaned and prepared. Drain the pool and remove any debris and hydrostatic plugs. Any cracks or imperfections should be ground out and refilled with hydraulic cement. It is essential to ensure that the surface is smooth, clean, and dry before proceeding.
Step 3: Acid Washing
The next step is to acid wash the pool surface to create a rough texture that will help the new paint adhere better. Create a 50% water and 50% muriatic acid solution and scrub the walls and floors with proper safety equipment. Always follow the manufacturer's instructions when working with acid. After acid washing, neutralize the surface with a bicarbonate of soda solution and rinse with fresh water.
Step 4: Tape Off and Prime
Use painter's tape to cover any areas you do not want to paint, such as lights, tiles, and fittings. If your pool has never been painted before or has a very rough surface, consider using a primer to improve the bond and extend the life of your pool paint. Epoxy and gunite primers are commonly used, depending on your pool surface type.
Step 5: Painting
Now, you are ready to begin painting. Mix your chosen pool paint thoroughly, following the manufacturer's instructions. Start painting at the deep end of the pool, using a telescoping pole and a low-nap roller (3/8 inch nap or less). Use long, even strokes, and work your way towards the shallow end. Allow the first coat to dry for 4-6 hours, and then apply a second coat. The drying time may vary depending on the paint and temperature, so always refer to the manufacturer's guidelines.
Step 6: Curing and Refilling
After painting, allow sufficient time for the paint to cure. This typically takes around a week. Once the paint has cured, you can refill your pool.
It is important to note that painting a pool may not provide a long-lasting solution. While epoxy paints can last up to 10 years, other types of paint may require more frequent repainting, leading to increased maintenance. Therefore, it is recommended to carefully consider the pros and cons of painting versus plastering your pool.
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How to plaster a pool
Pool plastering is a challenging task that requires skill and experience. While it is possible to plaster your own pool, achieving a quality finish is difficult. Before plastering, it is important to consult with a property manager or pool professional to ensure you are using the right materials and techniques for your specific pool.
The first step in the plastering process is to remove hydrostatic pressure from under the pool. This is followed by preparing the pool for plastering by undercutting any waterline tiles, pool fittings, and features such as lights, jets, returns, and the main drain. Once the pool is fully drained and prepped, the walls should be inspected for any cracks, hollows, or other issues that may impact the longevity of the plaster.
The plaster mix typically consists of white sand, white cement, and a small amount of liquid acrylic, with the aim of achieving a thickness of approximately 1/2" to 3/4". The plaster is pushed around and flattened before being left to harden. A trowel is then used to smooth the plaster on a final pass.
Pool plaster can last 15-20 years when properly mixed, applied, cured, and maintained. It offers a protective surface that enhances the aesthetic and structural integrity of the pool. The cost of plastering an average-sized pool (around 15,000 gallons) with a simple finish ranges from $2,500 to $3,500.
As an alternative to plastering, pool painting is an option. However, it may lead to long-term maintenance complications and is generally less durable, requiring repainting every two years. The choice between plastering and painting depends on various factors, including budget, availability of materials, and climate.
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The cost of painting vs plastering a pool
When it comes to the cost of painting versus plastering a pool, there are several factors to consider. Firstly, the availability of materials and labour in your area will impact the overall expense. The climate is another consideration, as drying times can vary with rainfall and sunlight exposure. Additionally, your budget constraints may influence your decision, especially if you are planning a full-scale refinish versus minor maintenance.
Painting a pool is generally less expensive than plastering, and it offers a wider range of colours and a smoother finish. Epoxy paint, the most durable option, can last up to 10 years, while other types of paint may only last 2 to 7 years. However, painting requires more frequent maintenance and can be prone to issues like peeling and flaking. If you need to remove old paint, the preparation process can be extensive, involving water blasting and degreasing.
On the other hand, plastering a pool is a more costly upfront investment, typically lasting 15 to 20 years with proper care. Plaster is more durable and thicker than paint, making it better equipped to handle distress. However, plaster jobs can also encounter issues such as spot etching and delamination. The preparation process for plastering is more industrial, requiring a crew to cut and roughen the existing plaster surface for better adhesion.
The cost of plastering a pool can range from $4 to $7 per square foot, with an average-sized pool of 1,088 square feet costing around $5,440. Painting a pool may be more affordable, but the long-term maintenance challenges, including filtration issues and chemical imbalances, can lead to higher costs over time. Therefore, it is essential to weigh the initial expense against the potential for future complications when deciding between painting and plastering your pool.
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Frequently asked questions
Yes, the plaster of a swimming pool can be painted. However, it is important to note that painting a pool may lead to more maintenance challenges and complications in the long run.
Painting a swimming pool offers a variety of colours to choose from, resulting in a nice finish. It is also less expensive than plastering.
A painted pool may result in filtration difficulties and chemical imbalances. The paint job may not last as long as plastering and will need to be redone every two years.
The decision between painting and plastering a swimming pool depends on various factors such as budget, climate, and the availability of specific materials. It is recommended to consult with a property manager or a pool professional to determine the best option for your specific needs.
