Step 1
Clean your tile with warm water and a sponge. You don't want any dirt trapped under the sealant.
Step 2
Check to make sure the grout is completely dried and cured in order to avoid sealing in any moisture.
Step 3
Apply a ceramic sealer to the tile with the directions listed on the label. Start at the top of the shower and work your way down. Seal the grout in between the tiles.
Step 4
Clean up any excess sealant with a wet rag before it dries.
Step 5
Let the sealer dry to give it time for it to be absorbed by the grout. Check the recommended drying time on the label of your sealant.
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Step 6
Apply two more coats of sealant. Allow the recommending drying time between each additional coat.