Sealing Grout in Tile Floors

While ceramic tile is a durable, low maintenance material, the grout between the tiles is not and will need to be sealed. Watch this video to find out how. ...More

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Sealing Grout in Tile Floors

Using roller bottle to apply grout sealer to tile floor.

Applying grout sealer to tile floor.

While ceramic tile is a durable, low maintenance material, the grout between the tiles is not. Unless stain-proof grout was used, the grout will need to be sealed. Allow the grout in new floors to cure for 30 days before sealing.

If the grout is stained or dirty, use a mild bleach solution and scrub brush to clean it, then allow the floor to dry completely before sealing. If the sealer doesn’t come with an applicator, buy a separate applicator bottle with interchangeable tips.

If the grout has become stained and won’t come clean, use a special grout stain pen that both stains and seals it at the same time.

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8 Comments on “Sealing Grout in Tile Floors”

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  1. Ace Laurel Says:
    October 2nd, 2008 at 4:36 pm

    How often should one seal tile? Can sealer be applied over year old sealer?

  2. Melissa Davis Says:
    December 30th, 2008 at 11:25 am

    I would like to know how to lay down ceramic tile from the beginning. My husband and I are building a house and want to put tile in our bathrooms.


  3. Mary Dinisi Says:
    January 18th, 2009 at 4:08 pm

    The grout between the tiles on my kitchen counter is coming out and it needs to be redone. Is it necessary to remove all the old grout or can new grout be put over the old?

  4. Scott Says:
    February 6th, 2009 at 9:55 am

    We just got a granite tile countertop in our kitchen. I don’t think they used a stain-proof grout. What is the best stuff to seal this kind of grout? Is it the same as floor tile grout and do you follow the same rules as for floor tile grout?

  5. Irene Says:
    February 28th, 2009 at 2:46 pm

    Where do you buy a grout stain pen???

  6. Nancy Gentry Says:
    June 14th, 2009 at 2:30 pm

    We have ceramic tile on the walls and a one piece floor in the shower. How do I seal between the tile and floor piece, should we just use the grout or a heavier water proof sealant? I am having problems with the water seeping past the door and ruining the wall outside the shower. I am in the process of removing the sealant right now and letting it dry out. Nancy

  7. Linda Says:
    February 24th, 2011 at 5:34 pm

    Where do I get the grout pen and the sealer and applicator and that brush you used. I have spent a week cleaning the grout…and want to seal it so it is not such awful job and the floor is always looking dirty.

  8. Official Comment:

    Ben Erickson Says:
    February 25th, 2011 at 8:29 am

    Hi Linda,
    There are several types of grout sealer available, the easiest and least expensive for sealing an entire floor use a wheel type applicator on a bottle of sealer. For smaller applications, grout pens are available. The one used in this video was purchased in the flooring department of a home center. I’m not sure which one or if it’s still in stock. Good luck with your project!

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