This is a question that sometimes results in a little confusion. Is there a difference between underlayments and subfloors? Yes—there is. Do you always need to use both? Often—but sometimes, you can get away with just the subfloor. But there’s more to it than that. Below, we’ll dive into the types of flooring available, which underlayments to use with them, and more. We’ll also talk about the SCRAIL® SUBLOC® PRO System, which is ideal for installing subfloors.