How do you fix squeaky hardwood floors underneath?

How do you fix squeaky hardwood floors underneath? To fix squeaks caused by large gaps from beneath the floor, fasten a piece of scrap wood against the floor joist so that it fits snugly against the subfloor. The wood will support the subfloor, preventing it from moving down to the joist. How do you fix … Continue reading How do you fix squeaky hardwood floors underneath?