I live in an apartment built 5 feet high on stilts/telephone poles.
This is my subfloor, 3/4 inch plywood. It is severly warped because of uneven pressure from the supporting poles.
I am trying to make it level with a combination of shims and sheets of plywood like this, but with more shims than shown:
The floor should look like the part on the left when I am done and it should be fairly level:
I want to install solid hardwood floor from lumber liquid.
I want it to be quiet.
Which underlayment should I use? Dream home Insulayment?
Where should I sandwhich the underlayment for maximum silence? Between the shim layer and the final plywood sheets?
Should I use glue to fix the hardwood planks to the final layer of levelled plywood?