Under what conditions should the liner not be installed?

 Other than when the sub-grade is obviously not acceptable, a liner should ideally be installed when the conditions are optimal. These include calm, windless conditions with no form of precipitation to adversely affect the weld quality. Open liners make great "sails" in high winds. You could find yourself in a position of not being able to hold the liner down in a heavy wind. The rule of thumb is to always get the liner in and secure as fast as possible. Temperature is not a big factor (other than personal comfort). As mentioned earlier, the conditions are rarely "perfect" in reality, but a liner should not be unrolled for installation if the wind is or will be excessive during deployment, or if rain or snow is present or expected.

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