Before you attempt to fix your sagging floors you have to figure out what s wrong in the first place.
How to fix floors that aren t level.
In some cases pouring floor leveling compound will fix the problem.
The boards fit together like pieces in a puzzle and when the entire floor is assembled it floats over the subfloor like a film coating.
One of the most important points to remember when installing a laminate floor is to install it on a level subfloor.
Surely uneven floors in an old house are normal.
Catching it early means a cheaper fix.
Your foundation may not be the problem.
If it s uneven it may be because the subfloor is bumpy or that it fits too tightly and bubbles are forming as the edges press against the wall.
If you choose to fix it now you ll get a variety of benefits from it.
Instead it may be an issue with joists and beams below your floor that require shoring up.
But there are ways that you can fix the issue yourself though.
If you don t know what you re doing you should reach out to a professional especially when dealing with uneven floors in an old house with moisture damage.
Maybe it doesn t even need a fix.
Determine the underlying problem.
Laminate floors aren t the same as nail down hardwood floors.
How to fix laminate installed in a floor that is not level that is popping.
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.