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