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.
How to fix cracked grout in bathroom floor.
2 remove damaged grout and debris with a grout saw.
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.
In this video i will show you how to repair grout diy on this 15 yr old grout.
Step 1 try grout caulk one of the easiest ways to try and repair cracked grout is to simply use grout caulk.
If you have wider cracks in the grout or missing grout then it s time to consider removing the old grout and installing new grout between the 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.
1 clean the area where the grout is broken with a 1 to 1 vinegar and water mixture.
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.
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.
Use a handheld grout saw around the edge of the cracked tile to scrape away its grout and prevent damage to adjacent tiles.
When all of the grout is removed from around the broken tile cover it with a drop cloth.
You ll also want to rinse the sponge as many times necessary to get the tile clean.
Using a hammer firmly tap the cracked tile to break it into smaller pieces.
This fix is only practical for interior tile floors and when the gaps between the tiles are 1 4 in.
Be extra careful with this step as you can scratch or.