Match the caulk 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.
How to fix cracked grout in bathroom floor.
In this video i will show you how to repair grout diy on this 15 yr old grout.
You ll also want to rinse the sponge as many times necessary to get the tile clean.
2 remove damaged grout and debris with a grout saw.
I will review how to mix grout where to find tile grout colours tools like.
You can simply squeeze the tube in a caulk gun and apply it to any cracks that you may have.
When all of the grout is removed from around the broken tile cover it with a drop cloth.
Lastly take a damp sponge and wipe off the tile.
This fix is only practical for interior tile floors and when the gaps between the tiles are 1 4 in.
Wipe off any excess from the surrounding tiles.
Step 1 try grout caulk one of the easiest ways to try and repair cracked grout is to simply use grout caulk.
Using a hammer firmly tap the cracked tile to break it into smaller pieces.
1 clean the area where the grout is broken with a 1 to 1 vinegar and water mixture.
You can use a simple grout removal kit or i prefer using a dremel 568 grout removal kit which attaches to my dremel tool or the rockwell sonicrafter.
If they are cracked professionals recommend using a high quality silicone over the top of your grout just like you would on your shower wall.
Use a handheld grout saw around the edge of the cracked tile to scrape away its grout and prevent damage to adjacent tiles.
If you have small hairline cracks in the grout mix a small amount of unsanded grout and apply it directly into the damaged joint with your finger.