In some cases pouring floor leveling compound will fix the problem.
Jacking up floor joists crawl space.
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.
The sagging floor was the symptom and somewhere under the house there had to be a cause.
If you re in an older home with a crawl space it s likely unheated and not insulated.
The down low on fixing up crawl spaces.
The best way to permanently solve sagging bouncy floor problems is to install smartjack posts beneath the beam that supports your crawl space joists.
Inadequate support for a crawl space floor is a common problem that can be permanently solved by installing smartjack posts.
Tiger brand adjustable floor jack model js 15 15 gauge floor jacks telescoping jack for temporary support size range 1 1 3 4 4 out of 5 stars 366 19 67 19.
The only tools required is a bottle jack string straight claw hammer circular saw and a light source.
Your foundation may not be the problem.
Instead it may be an issue with joists and beams below your floor that require shoring up.
I needed to add support to the floor in the bathroom and after i did a lot of research i finally made it happen.
Make repairs to settling piers and weak joists to fix swagging floors and roof lines.
For instance you may have a dining room floor that end to end is level but between those two points are various sags and dips.
Thre ways to fix a sagging or sloping floor.