Yes, The Adjustable FloorLock system was designed to work for both situations and as many different joist sizes and types of joists as we could think of.

It can be used in a new construction to re-enforce the new floor for heavy loads areas, eg., under a heavy bath or spa, under a heavy stone topped kitchen island etc. As well as be used to re-strengthen and level out an existing floor that’s sagging, as well as reinforce and prevent movement in bouncy and squeaky floors.