If a load bearing wall is removed on the first floor then the second story floor joist or trusses may drop down in the area where the load bearing wall was removed.
Sagging floor 2nd story.
If the floor is sagging visibly in the middle or is very bouncy you may want to reinforce the floor to eliminate the sag and reduce the bounciness.
Four or five beams of the same size as your floor joists typically two by eight and as long as the room.
How can we evaluate whether the floors need reinforcement and if so what is the best way to do this.
Although most floors slope it is important to know how much and why.
Again this could be a sign of dry rotted second floor joists.
This could be a sign of serious structural damage due to foundation settlement.
A plywood subfloor will bridge any minor waves in the existing floor and leveling compound would help too.
Sagging floors are often the symptoms of structural damage to the floor joists below the surface.
Common reasons for sloping or sagging second story floors.
On the top side of the floor another fix it idea to lay down new hardwood over the existing floor.
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.
Foundation issues deteriorating wood supports especially sills which rest on the foundation footer improperly installed joists or sub floors and other issues can all cause a floor to slope or sag.
The average person can sense if a floor slopes 1 inch in 10 feet and sloping floors or sagging floors are often one of the warning signs that structural engineers look for when analyzing a house.
To prevent the collapse of your second story or injury from falling through a rotten floor you must repair the joists as soon as possible.
Sloping to one direction.
Water damaged or structurally damaged first floor joists causing the joists to deflect or sag.
You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings.
Load bearing wall removed or altered on first floor.
A dozen metal rafter ties.
Two four by six wood beams of 8 to 10 feet each as straight as you can find them.
Isolated to first floor isolated to second floor both floors.
Thre ways to fix a sagging or sloping floor.
The first and second floors in our house seem overly bouncy and sag toward the middle.