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. This means that gunite surfaces don’t have seams like traditional poured concrete, and this means that gunite pools are extra-durable. Because it is applied using a compressed air “gun,” builders can spray concrete on vertical surfaces or curves. In addition to being a popular choice for inground pool construction, gunite is also used widely in things like road tunnels.
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