Staff Answer
Jul 04, 2024 - 01:37 AM
No problem using this waterproof product in a basement. The subfloor needs to be as flat as possible. Flatter the better. There is a tolerance for dips and bumps of 3/16 over a 6' span. More than that should be filled or leveled with a patching compound such as Ardex brand. Please read these two documents carefully.https://www.greenbuildingsupply.com/c...https://www.greenbuildingsupply.com/c...
