Deteriorating floor joists or posts.
How to replace floor when beams are uneven.
Structural problems can occur in even the most well built homes due to excess moisture wood rot and termite damage.
As the posts slowly rot and melt into the floor the house settles accordingly bottom to top.
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.
How much repairing floor joists should cost.
A plywood subfloor will bridge any minor waves in the existing floor and leveling compound would help too.
If your house is built over a basement first inspect all of the basement support beams and posts where they meet the floor.
Floor joists and posts support the flooring and damage to them is the most common cause of a sagging floor.
The cause is usually settling or shifting of the foundation underneath the floors.
On the top side of the floor another fix it idea to lay down new hardwood over the existing floor.
Mold and or rot in your crawl space.
Uneven floors are rarely caused by problems with the floor itself.
If the floor beams and joists are made from wood like the ones above a crawl space they will usually bend rather than crack.
If these threats arise and structural repairs are neglected your home will start to suffer in the form of bouncy and spongey floors drywall cracks sticking doors and sloping and uneven floors.
Be suspicious of wood posts set on dirt floors or wood posts with concrete poured around the post bases.
You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings.
Replacing joists costs around 100 to 300 for each new joist.