I just bought an older home in Denver. While the floor joists appear to have moved and sagged in the past, they have recently been supported, but I still have some wavy sections in the living room. Right now the floor is carpeted over plywood. Is there anyway to even this floor out so that I can put down hardwood floors?

depends on the sagging.

if the joists are all even and level to one another and the sagging is only in the plywood itself, you can fill between the joists to level, then clad on top of it.

if the actual joists are uneven to each other, this complicated things a bit.

this can be taken care of by more jacking and blocking or tear apart the whole subfloor system and scab or replace joists to create the level and evenness between joists, then install new subflooring.



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I think it will be complicated. I am guessing it is the joist. Thanks though!