Think of it this way.
Repariing a floor in a house.
How to repair hardwood plank flooring hardwood floors can be damaged by any number things.
If you can t get at the floor from underneath you ll have to work from the top with spiral flooring nails.
Replacing new good condition carpeting with hardwood floors for example is an upgrade.
A plywood subfloor will bridge any minor waves in the existing floor and leveling compound would help too.
Replacing old poor condition carpeting is a repair.
Depending upon the conditions it is possible to strengthen or repair existing framing members such as floor joists or roof rafters by adding reinforcing material sandwiching the member on either side with plywood is sometimes worthwhile but the plywood must be installed correctly for greatest strength.
Upgrades are optional discretionary ways in which a homeowner tries to maximize the value of her home.
Thre ways to fix a sagging or sloping floor.
You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings.
First locate the squeak and try to determine whether it s at a joist or between joists.
Repairing flooring vinyl wood or tile costs 347 on average or between 188 and 512 because pros need to go through this layer to get to the structural elements of subfloors and joists expect to pay far more for structural repairs.
On the top side of the floor another fix it idea to lay down new hardwood over the existing floor.