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Poured Waterproof Concrete vs. Sprayed Concrete Pool Shells: Exploring the Benefit

30 March 2023



When it comes to swimming pool construction, selecting the right materials and techniques is crucial to ensure a durable and long-lasting structure. Two popular methods for constructing pool shells are poured waterproof concrete and sprayed concrete. In this article, we will compare these two techniques, highlighting the benefits of poured waterproof concrete pool shells over sprayed concrete pool shells, and why Wellness One Pool & Spa chooses this method for creating bespoke swimming pools for our clients. 
Poured Waterproof Concrete Pool Shells 

Poured waterproof concrete pool shells are created by pouring concrete into a specifically designed formwork. The concrete is mixed with waterproofing additives that help create a watertight structure, eliminating the need for additional waterproofing membranes or layers. This method offers several benefits: 

  1. Enhanced Durability: Poured waterproof concrete pool shells provide a monolithic and structurally stable structure. The use of a single pour reduces the risk of weak points or leaks that can occur in sprayed concrete pools. 
  2. Seamless Construction: Poured waterproof concrete pools have a seamless finish, which not only enhances their aesthetic appeal but also minimizes the chances of water ingress, ensuring a longer lifespan for your pool. 
  3. Greater Quality Control: The process of pouring concrete allows for better quality control, ensuring that the concrete is evenly distributed and free from air pockets or voids. This results in a more robust and durable pool shell. 
  4. Reduced Maintenance: Poured waterproof concrete pool shells require less maintenance compared to sprayed concrete shells, as they do not rely on additional waterproofing layers that may need repair or replacement over time. 

    Sprayed Concrete Pool Shells 

    Sprayed concrete pool shells, also known as shotcrete or gunite pools, are created by spraying a mixture of cement, sand, and water onto a reinforced steel framework. While this method is widely used in the industry, it presents certain challenges: 

    1. Potential for Weak Points: Sprayed concrete can result in inconsistencies in the pool shell's thickness, leading to weak points that may compromise the structure's integrity over time. 

    2. Additional Waterproofing Required: Sprayed concrete pool shells often require additional waterproofing layers, such as membranes or coatings, to prevent water ingress. These additional layers can be susceptible to damage and may require costly maintenance or repairs. 

    3. Lower Quality Control: The spraying process can make it more difficult to achieve consistent quality, as it is subject to various factors such as operator skill, equipment performance, and environmental conditions. 


    At Wellness One Pool & Spa, we believe that our clients deserve the best in terms of quality, durability, and aesthetics. This is why we choose to construct our bespoke swimming pools using poured waterproof concrete shells. By offering enhanced durability, seamless construction, greater quality control, and reduced maintenance, poured waterproof concrete pool shells provide a superior solution for creating long-lasting and visually stunning swimming pools. 

    Contact Wellness One Pool & Spa today to discuss your swimming pool project and learn more about the advantages of our poured waterproof concrete pool construction method.

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