Multiple varieties of plastic measurements can be confusing for anyone not familiar with the measurement used.
Mil vs gauge vinyl.
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A 20 gauge liner means that the liner has a 20 mil bottom and a 20 mil sidewall.
This can sometimes mean a millimeter to people outside of the united states so don t get confused.
Gauge is 100 x mils so for example 0 3 mils 30 gauge.
Gauge to mil conversion chart.
A liner that is advertised as a 20 mil usually has a 20 mil bottom and a 15 mil sidewall.
One mil is equal to 0 001 or 1 1000 inch while one gauge doesn t have an exact equivalent measurement.
Mil what s the difference.
This guide shows the differences to give you a better understanding of what thickness liner you are buying.
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When shopping for a new inground vinyl liner you may see both terms used to describe a liner s thickness.
When measuring vinyl thickness mil is a more accurate measurement than gauge.
For example a 25 mil liner is about 12 thicker than a 25 gauge liner.
We have created a gauge conversion chart for readers to use ensuring they are finding the proper thickness of the film.
The most common thickness of inground pool liners would be our 20 mil material which some companies call 25 gauge.
What does it mean in inches or mm.
Vinyl siding grades vinyl siding comes in several grades and thicknesses.
You can also learn more about measuring plastic film thickness and variability in our article how to measure plastic film.
Mil designated liners are 6 12 thicker than a gauge designated liner for the same number.
Although it can vary by manufacturer a higher grade vinyl will typically cost more.
Sure a lower gauge or higher mill sounds nice but the fact is if a situation causes a liner to rip its going to rip regardless of the gauge or mil.
A mil is 1 1000th of an inch.
Most pool professionals can t even tell you the official difference between vinyl gauge and mil measurements.
So a gauge liner is typically a little bit thicker walled liner than its mil counterpart.
According to the standards of the american society for testing and materials vinyl siding should not be thinner than 0 035.