If the uneven floor is due to floor joists that have warped or twisted over time or were incorrectly installed the only way to level the floor is to remove the subflooring and shim the joists.
How to level uneven floor for tile.
In terms of tiling an uneven surface can throw up all sorts of problems distorting the beauty and regimented feel of a flooring project.
If the floor is uneven lift up the board until it is level so you ll know how much flooring compound you ll need to even it out.
But there s always hope for righting those wrongs so tiling remains a viable choice.
Tile trowels come in many sizes click here to see chart.
Floors are rarely perfectly level.
Tiles may crack pop loose or lip a condition that occurs when the corners.
A 6 foot screed board wouldn t work in my case because the hills and valleys are further apart than that in some cases 12 feet between hills.
Mix up some thin set.
Tile laying tricks for uneven surfaces.
Now that we know what trowel we need to use let s start the floor leveling process and fill this dip.
Tip 4 fill the dip.
I have 2000 sq feet of 2 by 2 tile to put down on a very out of level and hilly floor.
I have two sheets of ply and 1 4 inch hardiebacker down to make a solid 1 1 2 subfloor.
If the area is very large use a long straight 2 in 4 in 5 1 cm 10 2 cm board and set your level on top of it.