Installation basics
A tile floor is built in stages. This guide walks through them in order, what each one is for, and how long it takes. It is written for planning, not for teaching the trade. The first two stages decide how flat and how durable the finished floor will be.
Download as PDFThe six stages
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01
Subfloor preparation
The installer checks the base for flatness, cracks and moisture, then corrects what fails. Tile shows every flaw beneath it, so this stage decides the final floor.
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02
Layout
Tiles are dry-set to plan the pattern, center the room and avoid slivers at the walls. Ten minutes here prevents ugly cuts later.
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03
Setting
Thinset mortar is combed onto the base and each tile is placed, leveled and spaced. Large formats get mortar on the tile back too.
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04
Curing
The mortar hardens for at least a day before anyone walks the floor. Rushing this stage loosens tiles years later.
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05
Grouting
The joints are filled, cleaned and shaped. Grout color is the last big visual decision, so confirm it before this day.
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06
Sealing and finish
Cement grout gets sealed once it cures. The room opens for normal use, and heavy furniture waits a few more days.
How long it takes
| Preparation | Half a day to a full day |
|---|---|
| Layout and setting | One day |
| Curing before foot traffic | One day |
| Grouting and cleanup | Half a day |
| Grout cure before sealing | A few days |
Formats, mortar types and weather move these numbers. Your installer gives you the real schedule.
What a good installer asks
- What is under the current floor.
- Where the pattern should center.
- Which joint width and grout color you chose.
- Which trim piece meets each neighboring floor.
- Where to store spare boxes from the same production run.
What you decide
PATTERN
Straight, offset or diagonal. On long planks, keep offset joints under a third of the plank length.
GROUT COLOR
Matched grout calms the floor. Contrast outlines every tile.
JOINT WIDTH
Rectified tile takes narrow joints. Pressed edges want wider ones. The installer confirms against the sheet.
TRANSITIONS
Where tile meets another floor, pick the trim piece before installation day.
Common questions
Can tile go over my existing floor?
Sometimes. Sound, flat, well-bonded tile or vinyl can take new tile over it. Wood subfloors and anything loose need preparation first. The installer's flatness and moisture checks give the answer.
How long before I can walk on new tile?
A day after setting for foot traffic, longer before heavy furniture, and grout adds its own cure time. The mortar bag states the exact hours and your installer follows it.
Do large tiles cost more to install?
Usually. Large formats need a flatter base, mortar on the tile back and two sets of hands. The material covers ground faster, the preparation does not.
What is thinset?
The cement-based mortar that bonds tile to the base. It is combed into ridges with a notched trowel, and the tile is pressed flat into it.
Should I buy extra tile?
Yes. Cuts, breakage and future repairs come out of the overage, and a later production run can vary slightly in tone. Order the whole floor at once.
Check any floor against this guide
Every PORCEMALL product page lists its ratings in the quick facts and in the technical data table. Open a product page and check it against this guide.