We discovered that the 5" (with 2.5" radius) polyethylene foam noodle could hold a rough weight of 14 pounds under water without sinking. There are two 5" pieces of pool noodles so the total weight that the two can hold is about 28 pounds. The 5" length will most likely have to be cut down to less than 3 inches.
Various manufacturers' online information regarding pool noodles states that they are 63" in length and can hold between 160-200 pounds of weight. Therefore, 5 inches of pool noodle must be able to hold around 14 pounds before sinking. Below is an image of the 5" polyethylene foam.
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| 5" polyethylene foam |
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