Versapad is a premium silent underlayment that offers superior protection and performance that’s guaranteed to last. This Do-It-Yourself underlayment can go under any flooring and is CRI Green Label Certified, passing California Section 01350 for indoor air-quality emission. This underlayment is #1 in its class for moisture, water vapor, acoustic, mold, and mildew. This is the best of the best when it comes to underlayment.