An advantage of putting outdoor tiles over concrete is that we will not have to waste the concrete by demolishing the existing surface.
Tile over concrete.
Yet this application does make sense since concrete is heavy solid and is typically thought of as an unbending uncompromising material.
Although tile can be placed directly over a concrete slab products such as schluter s ditra are designed to separate or uncouple the tile from any potential movement in the substrate and protect the tile and grout from cracking.
Step 1 preparing the concrete.
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.
Before you begin to lay the tile over your concrete slab make sure the concrete is properly prepared.
For starters moisture and cracking are bigger concerns outside so you need to apply a waterproofing and crack isolating membrane to the slab before you begin.
Once finished a porcelain tile installation over concrete will last generations ensuring your investment is beyond a mere one to five year warranty that some floor finishes have.
Installing tile directly on concrete.
Clearly the longer you can wait before tiling the less stress that will be applied to the tile by the concrete.
Laying floor tile over concrete is not a technically demanding job.
Moreover the concrete serves as extra protection against water absorption and added strength to carry heavier weights that are dropped on or pressed against the tiles.
Once you ve ascertained that the slab is dry and level as possible your best solution to lay tile over concrete with expansion joints is shown below and linked here.
Installing ceramic tiles over concrete can help to create a more inviting indoor or outdoor living space.
Using an acid based cleaner or deep cleaner of your choice clean the concrete and allow it to dry thoroughly.
Often people want to cover a concrete patio or porch with tile and need to know how that differs from indoor tile installation.
If curling occurs and it often does the concrete can be ground before it is tiled.
The redgard uncoupling mat covers small cracks in the concrete slab and eliminates the worry of installing over those expansion joints.