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Question DetailsAsked on 9/21/2011

how do I fixed cracked grout?

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2 Answers


It's actually pretty easy. All you need is a grout float like the one pictured here, one or two sponges like this and maybe grout saw like this. Sometimes if your job is small a screw driver or even a key can be used in place of a grout saw. Finally, you will need some premixed sanded grout. All of this can be purchased at Lowes or Home Depot.

Use the grout saw or screwdriver to scrape out the damaged grout. It's pretty easy. Then use your grout float to dip out some of the premixed grout. Use the float to smush the grout into the space you made after scraping. It's ok if it's messy and you're getting it all over the place. Once your space is filled in, smooth the new grout line out with the front of your float, applying steady, gentle pressure.

This should be extremely easy. Basically, you are just trying to squeegee off the excess grout. The float will, well, float over the grout line on top of the tiles. Since it's rubber it will conform and kind of smash itself into the grout line leaving a nice uniform appearance. The beauty is, you can't really mess it up so if it doesn't look good wipe the grout off and try again. You can make practice runs until you get it down.

Once it looks good soak your sponge and wring it mostly out. It should feel moist but not soaked. Wipe the excess grout off the surrounding tiles before it drys. Rinse the sponge often to it's not spreading around diluted grout, which will dry into a haze. When sponging, be careful to wipe only the tiles and not the beautiful grout line you've just perfected or you will have to redo it. Which isn't a big deal. Don't be scared of this at all. It really is very easy.

The trickiest part will be matching your existing grout color. There will be several colors available at the hardware store, and they all look very similar. But if you're even a little off on your selection the repair will be noticeable after it dries out. If you have the budget buy two or three of the colors you think are closest. Once you get them home it will be apparent which one is the best match. You can return the others as long as they aren't opened.

If you need any help feel free to call me. You can find my contact information by clicking here. At any rate the entire repair will probably take 30 minutes or less depending on how much you practice. You'll probably have $30 or $40 invested.

Answered 7 years ago by Accuclean


Grout cracks often appear where two different tile surfaces meet. i.e. where the tiled wall meets the tiled floor or where two adjacent tiled walls meet at an inside corner. The problem is that walls/floors or two adjacent walls will move independently of one another causing the grout in those areas to crack and fall out. The proper way to adress those areas is to use caulk instead of grout. Many tile/grout manufacturers sell high quality caulks that are colored to match their grouts. I haven't met a tile installer that caulks those areas. They always want to use grout, but caulk is the proper method for sealing tiled surfaces that meet at an angle.

Answered 7 years ago by JGHamm

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