Answer
Nov 16, 2021 - 12:58 PM
You don't want to go with thicker padding. What you want to do is smooth that section of uneven floor via a cement leveler or a cement grinder. Per the marmoleum click cinch loc installation instructions (link below), "The subfloor must be flat to within 3/32� in 6� ..." -- If you were to use thicker padding, or not correct the unevenness, it will place a lot of strain on the clicking mechanism that holds the boards together, and the floor will fail. Same is true if you just use QuietWalk without correcting the unevenness. Installation Instructions: https://www.greenbuildingsupply.com/core/media/media.nl?id=1038611&c=772072&h=5
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