What does the concrete in the bottom of the fiberglass wall concrete bottom pool do?
A. The concrete in the bottom of the fiberglass wall concrete bottom pool accomplishes a couple of things. #1 it provides a base into which the fiberglass walls anchor. This anchoring provides a solid base for the walls and therefore helps supply a structural advantage to the overall pool. The one piece fiberglass pool has unsupported vertical walls for up to 8 feet. That’s the reason that they should not be drained without a professional there to brace the walls as the pool is drained. Most one piece pool companies void their warranty if their pools are ever drained, so double check the warranty before you buy! #2 it enables the pool to be much larger than any one piece pool could ever be. One piece fiberglass pools are made in manufacturing plants. Then they have to be shipped on a truck to their destination. Of course there are limitations to what can be shipped on a roadway. Most manufacturers make a 16’ wide pool (really a 15’ total inside width) with only one or two making a 18’
