If you want to install vinyl tile or ceramic tile things get a bit trickier.
How to level a concrete slab floor.
If a tile floor is laid on a subfloor.
If you plan on leveling a concrete floor you can do so with relative ease by using a leveling compound.
For a successful installation the concrete floor beneath the tile needs to be.
To level concrete floors start by cleaning the floor and filling in any cracks or holes with concrete filler and sealer.
Neglecting to prepare the old surface will prevent the new concrete from adhering correctly resulting in a weak bond between the two layers.
You can purchase concrete leveling compounds at home improvement retailers to level out the floor.
Slip shims under the low end of the 2x4 rail until it s perfectly level then use a scribing tool to transfer the unevenness of the floor onto the rail.
It may not be quite level or may have dips in the surface which can make it difficult to walk across the floor or to.
Then go over any particularly high spots with a concrete grinder so they re level with the rest of the floor.
Placing the compound on top of the existing concrete will allow you to make repairs to the low points that may cause problems.
You can level an existing concrete floor with a leveling layer of new concrete but you must prepare the old concrete floor first.
Tiles are relatively durable floor coverings that can last for years when laid on a perfectly flat substrate.
To resurface an uneven concrete slab begin by laying a long straight 2x4 wooden rail across the concrete slab floor with one end positioned on the high point in the room.
An even concrete slab is very important if you plan to build anything on your slab or lay down any type of outdoor tile.
When you re finished spread some concrete leveler primer over the floor and let it dry until it has a tacky.
It spreads across uneven slabs filling in low spots as it creates a new level surface.