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Gauge is the equivalent of a "mil" which is "thousandths" of an inch.

Hence, a 20-gauge pool liner would be 20-mil which is 20 thousandths of an inch or 0.020" = 0.02 inches. A 30-gauge liner would be 30-mils or 0.03 inches.


Answermost above ground pools are 20 mil and in ground liners are usually 30 mil
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โˆ™ 2015-07-14 15:05:44
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Q: What is the actual thickness of a 20-gauge or 30-gauge pool liner?
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