This type of swimming pool is made of concrete materials popular they also finish with plaster (a mixture of cement with marble of sand). This type of pool is very popular in the United States. And a difference of gunite pools is poured from the manufacturing technique. The manufacturing process by spraying gunite material on the framework of concrete poured while longer because the manufacturing process using conventional means. Thus on some kind of pool we have stated may be useful for you as your reference when you consider the type of pool you want to wake up in your own backyard. Swimming Pool.