Test by sprinkling water on various areas of the subfloor.
How to level concrete subfloor for tile.
If you want to install vinyl tile or ceramic tile things get a bit trickier.
Typically the floor must be level and uniform within 3 16 inch every 10 feet.
Self leveling underlayment products can be used on concrete floors wood subfloors that are uneven but still in decent shape and even over ceramic tile floors eliminating the task of tearing.
And 3 grind the hump of the plywood.
Tile leveling systems can help keep your tiles level aligned properly spaced and held in place while the tile mortar cures.
The subfloor must be free of moisture damage including rot and sponginess and must be securely fastened to the joists and squeak free don t lay tiles on a concrete slab with cracks that appear to be spreading or irregularities that prevent you from leveling it.
Preparing your subfloor for tile in this video learn how to prepare a wood or concrete subfloor for tile including such steps as checking for dips installing backerboard applying primer and thinset pouring liquid underlayment and when to use osb or exterior grade plywood.
Stir ready to use floor patching compound with a paint stirring stick.
If you are installing a locking or floating floor not attached to the subfloor just make sure that the subfloor is clean.
Learn how to use a grinder.
Use a long level and tape measure to check that the floor is level.
2 to pour self leveler on plywood directly and skip hardiback.
For a successful installation the concrete floor beneath the tile needs to be.
Used correctly tile leveling systems.
Use this home depot guide how to install a tile floor for more information.
In order to level the subfloor to install tile the builder suggests 1 to put a paper on plywood and pour self leveler and skip hardibacker.
To prepare your concrete subfloor make sure that it can accept water penetration.
As with a wooden subfloor a concrete subfloor must be level for successful tile installation.
Additionally a steps must be taken to ensure that a concrete floor will create a solid bond.
To prepare a concrete subfloor for installing tile you ll need to do a different kind of preparation.