The amount of time you need to wait for grout to set up before you can walk on your newly laid floor tiles is dependent on a few factors with the first being the type of grout you ve chosen for.
Floor tile patching grout line cure time.
Choose the correct type of grout based on the width of your tile joints and where the repair is being done.
Scrape any excess grout from the tiles using the edge of the grout float.
It dries to a hard finish within 24 hours but does not completely cure or harden to its final strength for up to three weeks.
Working with tile is all about attention to detail.
If you applied too much grout to the tiles or got interrupted while working and left grout dry on the tiles you can fix the problem if you act quickly.
At most tile specialty shops you can get or order sanded caulk most floor grouts are sanded that will closely match your existing grout color.
In most cases this process can take as long as 72 hours to complete.
In most cases you should allow the grout to dry overnight before using that room as total dry time may take up to 24 hours.
This will pack the new grout into the cracks and keep air bubbles out.
Use a grout float to ensure even application.
Drag the float across the grout lines using slow movement in several directions.
There s no harm in waiting to grout tiles.
1 measure the width of the grout lines on your tile floor.
Grout is available as sanded or unsanded.
Loose tiles and moisture problems underneath a floor s surface are often traced back to the time of installation.
This fix is only practical for interior tile floors and when the gaps between the tiles are 1 4 in.
Even if you take care not to disturb the tiles while grouting before the thinset has cured you would be sealing it off from the air it needs to cure.
Measure the space between the tiles.
Evenly spread the new grout over the damaged grout lines.
If the space is larger than 1 8 of an inch use a sanded grout.
The trick lies in keeping the grout moist but not allowing water droplets to drop onto any part of it while it is curing.
If you are thinking about sealing your grout after you have installed it you need to wait even longer than that so that all of the moisture has had time to be released.
If you need to repair grout numerous times on any one floor ask an engineer to look into the underlying cause of the problem.
Not only will poorly set tiles look askew and throw off the overall effect of the room floor tile installation that s a little off could lead to much larger problems.
Water drops can cause different parts of the grout to cure at different rates causing spots of discoloration and even weakened grout.
