While grout may crack from wear and tear an uneven or weak subfloor.
How to fix cracked floor tile grout.
4 spread the grout and completely fill the cracks using a grout float.
Use a bamboo skewer and drag it along the grout line.
There are a few probable causes but before you tear up the tile and start over try this quick cracked grout fix.
While grout is a durable material tile surfaces suffer a lot of wear and tear that can crack it resulting in a shabby look.
Dealing with cracked grout is a common issue that comes up for many homeowners at some point.
Is the grout between your floor tiles cracking or worse crumbling away.
Therefore learning how to repair cracked grout can be an essential skill to learn.
Repairing wide cracks in grout.
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.
Use a vacuum with a hose attachment to clean out any excess loosened grout.
Once the grout cracks for any reason it s time to repair broken grout before there is any damage to the surrounding tiles.
Remove all the loose and cracked grout with a grout saw or dremel tool and completely vacuum out the gaps.
In order to repair damaged grout that s cracking using new grout follow these steps.
Mix the new grout with water in a small container.
This will loosen any cracked and damaged grout.