Tile installation starts long before the first tile is placed. A strong, clean and level surface, careful layout, the correct mortar or adhesive, consistent spacing and proper grouting all contribute to a durable finished job.
In this guide, I’ll walk through the basic tile installation process for floors and walls, including preparation, layout, setting tile, cutting, grouting and some common mistakes to avoid. You can also watch my tile installation videos below to see the work being done.
1. Prepare the Surface Before Installing Tile
Good tile installation begins with the surface underneath the tile. Before starting, remove dirt, dust, grease, loose material and anything else that could interfere with adhesion.
The surface should also be sufficiently flat, stable and suitable for the tile and setting material being used. Problems underneath the tile can eventually show up as uneven tiles, poor bonding or cracking.
2. Plan the Tile Layout Before Applying Mortar
Don’t start setting tile without first checking the layout. Measure the area and dry-position tiles where useful so you can see how the pattern will finish at walls, corners, doorways and other edges.
A good layout can help prevent awkward narrow cuts and keep the finished installation looking balanced. Reference lines can also help keep rows straight as the work progresses.
3. Choose the Correct Mortar or Tile Adhesive
The correct setting material depends on the tile, substrate and installation location. Floor tile, wall tile, large-format tile and wet-area installations can have different requirements.
Always follow the tile and setting-material manufacturer’s instructions for mixing, application, suitable substrates, open time and curing. For showers and other wet areas, waterproofing and substrate preparation are especially important and should be completed before the tile is installed.
4. Apply the Mortar and Set the Tile
Spread the appropriate setting material over a manageable area and comb it with the correct notched trowel for the installation. Set each tile carefully into place while maintaining the planned alignment.
Work in sections rather than spreading more material than can be covered before it begins to skin over. Periodically check that the tiles are properly supported and that the installation remains flat and aligned.
5. Use Tile Spacers and Check Alignment
Tile spacers help maintain consistent grout joints. As each section is installed, continue checking the rows and the surface instead of waiting until the entire area has been tiled.
This is especially important with larger tiles, where differences in height between neighboring tiles can become more noticeable.
6. Measure and Cut Tiles Carefully
Most installations require cuts around walls, corners, doorways, plumbing or other obstacles. Measure carefully and choose a cutting tool appropriate for the tile material and the type of cut.
Always follow the tool manufacturer’s safety instructions and use appropriate protective equipment when cutting tile.
7. Allow the Tile Installation to Set
After setting the tiles, allow the installation to cure according to the setting-material manufacturer’s instructions before grouting or subjecting the surface to traffic. Required curing time varies by product and installation conditions.
8. Grout the Tile Joints
Once the installation is ready for grouting, remove debris and excess setting material from the joints. Apply grout suitable for the tile and joint width, working it into the joints according to the manufacturer’s directions.
Clean the tile surface as directed while avoiding excessive water or aggressive cleaning that could disturb fresh grout.
Floor Tile Installation
Floor tile needs a stable, properly prepared substrate because the finished surface will be exposed to foot traffic, furniture and other loads. Check the floor for unsuitable movement, damage and significant unevenness before installation.
Plan the layout before setting the first row so that highly visible areas receive balanced cuts where practical.
Wall Tile Installation
Wall tile installation requires careful layout because gravity can make maintaining consistent rows more challenging. Establish level reference lines and regularly check the installation as you work upward.
In wet areas such as showers, the wall assembly and waterproofing system are critical. Tile and grout themselves should not be treated as the waterproofing system.
Installing Large and Heavy Tile
Large-format and heavy tiles require extra attention to substrate flatness, mortar selection, trowel choice, coverage and alignment. Follow the tile and mortar manufacturers’ specifications rather than assuming the same method works for every tile size.
Ceramic vs. Porcelain Tile
Ceramic and porcelain are both common choices, but they are not identical. Porcelain tile generally has lower water absorption and is typically denser than standard ceramic tile. The right choice depends on the installation location, intended use, tile specifications and budget.
Check the manufacturer’s specifications for the actual product rather than choosing solely by appearance.
Common Tile Installation Mistakes to Avoid
- Installing over a dirty, unstable or unsuitable surface.
- Starting without planning the tile layout.
- Using a setting material that is not appropriate for the tile or substrate.
- Spreading more mortar than can be tiled within its working time.
- Failing to maintain consistent grout joints.
- Allowing excessive setting material to harden in the grout joints.
- Grouting or walking on the installation before the setting material has cured sufficiently.
- Ignoring manufacturer instructions for tile, mortar, grout or waterproofing products.
Tile Installation Video
Watching the installation process can make these steps easier to understand. You can also watch my tile installation Short on YouTube for another look at the work.
Tile Installation FAQ
What is the proper way to install tile?
Start with a clean, stable and properly prepared surface. Plan the layout, use a setting material suitable for the tile and substrate, maintain consistent spacing and allow the installation to cure according to the product manufacturer’s instructions before grouting or heavy use.
Where should you start when laying floor tile?
The best starting point depends on the room and layout. Measure the space and establish reference lines before installation so visible areas have balanced cuts and the tile rows remain straight.
Why are tile spacers important?
Tile spacers help maintain consistent grout joints and keep the layout uniform while the tiles are being positioned.
What should you avoid when installing tile?
Avoid installing over an unsuitable surface, using the wrong setting material, skipping layout planning, allowing mortar to harden in grout joints, or grouting before the installation has cured sufficiently.
Can the same installation method be used for every type of tile?
No. Tile size, material, substrate and installation location can change the requirements. Always check the specifications and instructions supplied by the tile and setting-material manufacturers.
Final Thoughts on Tile Installation
A successful tile installation depends on preparation and attention to detail. Take time to prepare the surface, plan the layout, use products appropriate for the installation and continually check alignment as you work. Those basic steps can make a major difference in the appearance and durability of the finished tile.
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