Grout is available as sanded or unsanded.
Shower tile grout repair.
Measure the space between the tiles.
This fix is only practical for interior tile floors and when the gaps between the tiles are 1 4 in.
Choose the correct type of grout based on the width of your tile joints and where the repair is being done.
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.
Gently run the grout saw back and forth along the grout seams.
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Step 3 clean the seams.
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.
Be careful to avoid damaging the tiles.
Use a spray bottle and some cold water to wet the areas where you removed the grout.
If the space is larger than 1 8 of an inch use a sanded grout.
Then take an old toothbrush and scrub the seams.
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