Staff Answer
Feb 14, 2024 - 11:20 AM
Per the Installation Guide https://www.greenbuildingsupply.com/c... in the Downloads section on the right side of the product page, " Marmoleum Cinch LOC Seal can be installed on any clean, dry, structurally sound subfloor. The subfloor must be flat to within 3/32" in6' (2.0mm in 2 meters). ".
