Approved for use under floor planks with or without pre-attached pad. The Eclipse II foam flooring underlayment provides sound absorption to reduce floor noise and is suitable for use under floating laminates, engineered wood, or solid rigid core vinyl. Not suited for glue down installation. Provides moisture protection and is mold and mildew resistant. The Eclipse II underlayment is GreenGuard Gold Certified, is 100% recyclable, and includes a limited lifetime warranty. Safe for use with radiant heat flooring systems.