This is an optional step but can really benefit your tile installation in the long run.
How to install tile over a concrete floor.
Ceramic and porcelain tile are so frequently installed at or above grade level on a cement board underlayment or directly on plywood that it almost seems novel to install tile directly on concrete.
Never lay tile over a damaged concrete floor without repairing it or your tiles may crack or lift.
Installing tile directly on concrete.
Step 1 preparing the concrete.
Before you begin to lay the tile over your concrete slab make sure the concrete is properly prepared.
Check the distance between tiles and note the location of the.
As you move on to the subsequent rows use the spacers to keep your pattern square.
A concrete sealer prevents moisture from staying underneath the ceramic tiles.
Measure a 2 foot section of tile.
Lay the tiles into the mortar and using the spacers make sure you are running even with the chalk line.
The next step is to apply a concrete sealer on the floor surface.
Lay several porcelain tiles in a row using spacers to simulate joints.
It can be physically strenuous and messy but it is a home improvement project that will allow you to cut labor costs by doing it yourself.
Tips lay down a sheet of crack isolation membrane before tiling if your concrete floor is.
It will also provide a stronger adhesion between mortar and concrete.
Laying floor tile over concrete is not a technically demanding job.
Once a tile is set try to avoid touching it again.