How Do You Level A Particle Board Subfloor?
A particle board subfloor may have one or more spots where there are detectable dips, wells or undulations. Subfloor is intended to be covered with padding and carpet, or overlaid with finished flooring, like tiles or finished hardwood. Before any product can be installed over a particle board subfloor, it should be leveled. Leveling a particle board subfloor entails getting to the underlying problem: the floor joists.