If the space is larger than 1 8 of an inch use a sanded grout.
Shower tile grout repair.
Then take an old toothbrush and scrub the seams.
Be careful to avoid damaging the tiles.
If the width is 1 8 of an inch or smaller use an unsanded grout.
The columbus ohio grout doctor cleans repairs and seals grout tile and natural stone.
Allow the grout to begin to dry for about 10 minutes or until it resembles stiff putty then wash the surface of the tiles with a grout sponge to remove the excess grout.
Grout is available as sanded or unsanded.
Use a grout saw to remove the loose or damaged grout in between the tiles.
Lightly dampen the sponge.
Gently run the grout saw back and forth along the grout seams.
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.
Step 3 clean the seams.
Choose the correct type of grout based on the width of your tile joints and where the repair is being done.
Measure the space between the tiles.