Are you planning to have new tile floors installed.
Stop floor tile grout cracking.
You cannot simply mix up more and fill it in.
In the case of tile mortared directly to a subfloor even a slight movement in the floor can break the mortar s adhesive bond or open cracks in the grout lines or the tiles themselves.
If water is added after cement hydration has already begun this is a.
This will prevent formation of cracks in the concrete which lead to reflective.
Sprinkle dry grout onto the caulked.
The tiles were very strong and heavy about to one inch thick which put additional stress on the floor structure.
Let the tiles dry for 24 hours then grout the floor.
If it cracks again you may have to think about getting the floor retiled.
And stop using your pogo stick in the house.
Minimizing these cracks and repairing cracks that are there are critical steps to take to minimize tile cracking.
Read this post about adding more grout to your grout lines.
The timing of cement hydration part of the curing process is critical to creating strong grout.
Scrape out the damaged grout and clean the seam.
A crunching sound can result from the broken pieces of mortar a sign that your grout is cracking and that soon the tiles will start to crack as well.
What s likely to happen when you bond a rigid material to one that moves.
Remove cracked or crumbling grout.
Fill the expansion gap around the perimeter of the room with caulk rather than grout to help the floor flex and prevent cracking or popping.
How to prevent cracked tile.
Either your grout lines are too large for non sanded grout smaller than 1 8 or it was incorrectly mixed.
Try remove grout from the joints and re grouting with a flexible floor grout.
Sound like your friend hasn t used flexible grout for the tiles.
This could include a framed floor that has too much bounce or.
With your finger push the caulking into the crack.
If there are cracks in the grout water can seep in and start damaging the subflooring loosen tiles and even promote mold growth.
Minor cracks can be fixed by running a 1 4 inch wide bead of latex caulk across the entire crack.
Cracked tile is usually a sign of poor preparation of the substrate.
But if he s got that wrong maybe the incorrect adhesive has been used also causing the tiles to move hence cracking the grout.
Wipe any extra off the tile with a wet sponge.
If your grout is not fresh well you need to repair the reason your tile is moving.
In this situation there was nothing underneath to hold the tiles and grout together and the result was hollow tiles and cracking grout.
For a concrete subfloor the most effective thing to do is add steel reinforcing bars when the concrete slab is poured.