If the space is larger than 1 8 of an inch use a sanded grout.
Replacing tile grout in shower.
Check out how easy it is to repair cracked or worn grout in your shower tub or any other tiled area.
Never use sanded grout with metal glass or marble tiles.
Measure the space between the tiles.
When that day comes remove the grout and replace it to rejuvenate the installation and make the surface gleam.
My house is only 2 years old and i already have some.
Choose the correct type of grout based on the width of your tile joints and where the repair is being done.
Remove and replace grout even the best tiling jobs show their age eventually.
If the width is 1 8 of an inch or smaller use an unsanded grout.
Gently run the grout saw back and forth along the grout seams.
Step 2 remove loose and damaged grout.
Step 3 clean the seams.