Use a grout saw to remove the loose or damaged grout in between the tiles.
Replacing bathroom floor tile grout.
Simplify the tough grout removal part with an inexpensive power grinder.
Links to grout tools.
Choose the correct type of grout based on the width of your tile joints and where the repair is being done.
Use a spray bottle and some cold water to wet the areas where you removed the grout.
It speeds up the job so you can move on the easier parts regrouting and polishing the tile.
Make sure the bit is the right size for the space between the tiles and adjust the bit to the proper depth.
Learn how to regrout bathroom tile.
Is the grout between your floor tiles cracking or worse crumbling away.
Work slowly image 3.
If the width is 1 8 of an inch or smaller use an unsanded grout.
Grout is available as sanded or unsanded.
When remodeling a bathroom or kitchen the hardest part can be removing the grout from pre existing tile.
Attach the removal unit and set the bit depth to 1 4 in.
Remove all the loose and cracked grout with a grout saw or dremel tool and completely vacuum out the gaps.
The old grout might be moldy and beyond cleanable.
The blade is harder than the grout and will cut it away image 1.
One way to change grout color is to colorize existing grout.
When that day comes remove the grout and replace it to rejuvenate the installation and make the surface gleam.
How to remove grout.
Remove and replace grout even the best tiling jobs show their age eventually.
Run the tool guides between the tiles and.
Grout is made from water cement and sand which hardens over time to form a rock like material.
If the space is larger than 1 8 of an inch use a sanded grout.
Gently run the grout saw back and forth along the grout seams.
Step 2 remove loose and damaged grout.
In many cases it is faster and easier to remove the grout than to clean it.
Be careful to avoid damaging the tiles.
But the more effective way is to use entirely new tinted grout.
Step 3 clean the seams.
The existing grout color is no longer pleasing to you and you wish to change it.
For small areas use a grout removal tool with a carbide blade.
There are a few probable causes but before you tear up the tile and start over try this quick cracked grout fix.