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Regrouting your tile is a simple task that can be done in a small amount of time. The only aspect that takes some time in this process is the curing of the grout. All you need is some grout mix and a couple easy to use tools.
Steps
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Decide what type of grout you will be using. This is dependent on the size of your grout's joint (the space between the tiles where the grout lies). There are two types of grout for regrouting tile: sanded and unsanded. [1] X Research source If your grout joints are larger than 1/8 inch (.3175 cm) use sanded grout to fill in the space; if your joints are going to be less than 1/8 inch (.3175 cm) use non sanded grout to fill in your joints as it is more compact.
- A good rule of thumb is to use unsanded grout if your grout lines are 1
⁄ 8
in (0.32 cm) or less, because it's better for getting into smaller spaces. Use sanded grout for grout lines wider than 1
⁄ 8
in (0.32 cm), because the sand will provide some reinforcement. [2]
X
Expert Source
Art Fricke
Home Renovation & Repair Specialist Expert Interview. 1 July 2020. - If you're only replacing some of your grout, try to color-match your existing grout as closely as possible. However, keep in mind that there may still be some variation, even if you buy the exact same brand and color of grout that was used before. That's because grout will change color over time as it oxidizes and absorbs dirt and grime. [3]
X
Expert Source
Art Fricke
Home Renovation & Repair Specialist Expert Interview. 1 July 2020.
- A good rule of thumb is to use unsanded grout if your grout lines are 1
⁄ 8
in (0.32 cm) or less, because it's better for getting into smaller spaces. Use sanded grout for grout lines wider than 1
⁄ 8
in (0.32 cm), because the sand will provide some reinforcement. [2]
X
Expert Source
Art Fricke
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Remove existing grout . If necessary, remove the existing grout before preparing to lay down new grout. This will keep the appearance clean and even, as well as prevent mold contamination.- Tools for removing grout include a utility knife, a ceramic chisel, a hammer and a small scraper with a retractable blade.
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Apply tile sealant. Apply a tile sealant over the surface of your tiles if they have become porous so the grout does not sink underneath the surface when regrouting your tile. Do this by using a tile sponge, a roller, or simply wipe the tiles with a coat of sealant and allow to dry for 24 hours.
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Mix the grout. Mix the grout in one of the 5 gallon (19 L) buckets using a drill with a mixing attachment or paddle mixer. Do an initial mix and then let it sit for a couple of minutes, and then mix the grout again. You may not want to mix it all at once. Just mix up a few cups at a time. [4] X Research source
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Apply the grout. Apply a generous amount of grout to your grout joints along your tile floor using the rubber grout float. Be sure to distribute extra grout into the grout joints in order to fill them completely. Grout all areas of your tile floor except the expansion joints; these are the areas between the floor tile and bathtub, wall, door, and cabinet or sink area.
- The rubber grout float is a rectangular, flat tool with a steel handle and rubber surface used to distribute grout. Hold the rubber grout float at a 30 degree angle and distribute grout across the surface of the tile floor.
- Keep in mind that it is important to work quickly because the grout will harden in a short amount of time. [5] X Research source
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Remove excess. Remove the excess grout from the tile floor once every grout joint has been filled. Do this by going over the tile with the rubber grout float, only this time use it at a sharp angle and move it diagonally across the tile floor in order to scrap the excess grouting material off. [6] X Research source
- Moving diagonally avoids detaching recently laid grout from the grout joints.
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Let the grout set and prepare bucket. Let grout set for approximately 10 to 15 minutes. While the grout is setting, fill your second 5 gallon (19 L) bucket with water and grab your tile sponge to clean the tile floor.
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Prepare your sponge. Dip the tile sponge in the bucket of water and wring out any excess water leaving a damp tile sponge. [7] X Research source
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Clean the surface. Wipe all grout residue off of the tile using the damp tile sponge in a diagonal motion. Clean the excess grout from the expansion areas using the margin trowel to leave those areas completely clean for caulking.
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Rinse and repeat. Rinse tile sponge and repeat the previous step until all of the grout residue is removed and tile is completely clean of grout haze. Make sure to wring out as much water as possible each time you rinse the sponge. [8] X Research source
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Cure grout. Allow grout to cure for 24 to 48 hours before stepping on it to ensure its stability and to make sure that it is completely dry.
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Finish expansion joints. Caulk the expansion joints using a grout caulk in a color that matches your grout. Completely fill these expansion joints then smooth and concave using your finger.
- You can find grout caulk at large home improvement stores.
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Apply final sealer. [9] X Research source Apply a penetrating sealer using either a sponge or spray bottle to the grout joints once the grout has completely cured. Wipe off excess sealer from the tile according to the label, as it will stain the tile otherwise.
- While it won't make your grout completely waterproof, using a penetrating sealer will help keep water from penetrating as deeply into the grout as it normally would. [10]
X
Expert Source
Art Fricke
Home Renovation & Repair Specialist Expert Interview. 1 July 2020.
- While it won't make your grout completely waterproof, using a penetrating sealer will help keep water from penetrating as deeply into the grout as it normally would. [10]
X
Expert Source
Art Fricke
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Expert Q&A
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QuestionWhat is the best way to remove grout residue?Art Fricke is a home renovation and repair specialist and the owner of Art Tile & Renovation based in Austin, Texas. With over 10 years of experience, he specializes in bathroom and kitchen renovations. Art focuses on a single contractor approach to customized renovation work, and performs projects such as installing custom tile showers, fixing tiled shower leaks, replacing cracked tiles, and installing floor and wall tile.It depends on your tile. If you're grouting tile made of a smooth material like porcelain or ceramic, it will be relatively easy to scrape away the grout, even if it hardens. However, if you're grouting a porous or rough tile, like one made from natural stone, clean the grout residue as quickly as possible, because it's very difficult to remove once it starts to dry.
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QuestionCan I regrout just one area of tile?Art Fricke is a home renovation and repair specialist and the owner of Art Tile & Renovation based in Austin, Texas. With over 10 years of experience, he specializes in bathroom and kitchen renovations. Art focuses on a single contractor approach to customized renovation work, and performs projects such as installing custom tile showers, fixing tiled shower leaks, replacing cracked tiles, and installing floor and wall tile.Yes, but keep in mind that it can be very difficult to color-match your existing grout, because grout changes color over time as it oxidizes and absorbs dirt and grime.
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Tips
- Do not mix more grout than you will be using within 30 minutes to cover an area as the grout mix will thicken and become unusable.Thanks
- Be sure to not add too much water to your grout mix; you will not be able to trowel it to the tile and it will seep out of the grout joints. If the consistency is too thin, add more grout powder to the mix to thicken it up.Thanks
- To make the grout extra sturdy, damp cure the grout by spraying a light mist in the grout joints 2 times a day for 3 days. This is especially useful during summer weather or if you live in the west or southwest due to the dry nature of the environments.Thanks
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Things You'll Need
- Tile sealant
- Grout mixture
- 2 - 5 gallon (19 L) buckets
- Drill with a mixer attachment
- Rubber grout float
- Tile sponge
- Grout sponge
- Knee pads
- Caulk
References
- ↑ https://www.familyhandyman.com/tiling/grouting/regrout-wall-tile/view-all
- ↑ Art Fricke. Home Renovation & Repair Specialist. Expert Interview. 1 July 2020.
- ↑ Art Fricke. Home Renovation & Repair Specialist. Expert Interview. 1 July 2020.
- ↑ https://www.familyhandyman.com/tiling/grouting/regrout-wall-tile/view-all
- ↑ https://www.familyhandyman.com/tiling/grouting/regrout-wall-tile/view-all
- ↑ https://www.familyhandyman.com/tiling/grouting/regrout-wall-tile/view-all
- ↑ https://www.familyhandyman.com/tiling/grouting/regrout-wall-tile/view-all
- ↑ https://www.familyhandyman.com/tiling/grouting/regrout-wall-tile/view-all
- ↑ http://www.popularmechanics.com/home/interior-projects/how-to/a6631/tips-and-tools-to-regrout-your-bathroom/
- ↑ Art Fricke. Home Renovation & Repair Specialist. Expert Interview. 1 July 2020.
About This Article
Article Summary
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Before regrouting your tiles, remove any remaining grout with a utility knife or chisel to prevent mold and maintain a neat appearance. Next, mix your grout in a bucket, then apply it to the gaps between your tiles with a rubber float. Once you've filled every joint, remove excess grout from the floor by holding the float at a sharper angle so it scrapes up the excess grout but leaves the rest in place. To finish, let the grout dry for 15 minutes, fill a bucket with water, and clean the floor with a sponge. For tips on how to cure grout and how to finish off expansion joints, which you install after grouting, read on!
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Reader Success Stories
- "Never done regrouting before. The instructions are so clear to follow that I know that I can do this myself. Going to the hardware store to buy the supplies asap. Thanks much for helping a retired beginner like me take care of my home, especially with a tight budget." ..." more
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"Never done regrouting before. The instructions are so clear to follow that I know that I can do this myself. Going to the hardware store to buy the supplies asap. Thanks much for helping a retired beginner like me take care of my home, especially with a tight budget."
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"Very well-done, well-written instructions. I've never done grout before. They took me through the process without incident."
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"Very useful and thoroughly detailed help for my small tile job."
