Forum Discussion
DrewE
Jun 21, 2018Explorer II
Mine is about 20 years old and the membrane is okay, though obviously not new. The outer coating is pretty much intact still. I have had the glue attaching the rubber to the underlayment gradually give out over the past year or tow or three and for that reason will see about replacing it before too long, but the membrane itself would be good for at least a few more years I think and possibly quite a few. I suspect the glue loosening is mostly due to aging, but don't know absolutely for sure.
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