Answer
Jan 27, 2021 - 01:06 AM
You could add an underlayment if you like, but that is optional. Please follow the directions (included in the downloads section on the product detail page, link included below for convenience) that any underlayment needs to be 1/8" or less and structurally stable/flat (no dimples). If you are going the underlayment route we would recommend 1/8" cork underlayment OR Quietwalk Plus.https://www.greenbuildingsupply.com/core/media/media.nl?id=1740812&c=772072&h=2
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