Can I put epoxy grout over old grout?

epoxy grout is a great choice when you are ready to re-grout a tile project. Because epoxy grout is so much stronger than other types of grout (particularly cement grout), you won't even need to remove all of your old grout. You can apply new grout right over the top of the old grout.
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Will new grout adhere to old grout?

The short answer is, “no.” You cannot put new grout over old grout. With regard to filling in holes and cracks on the surfaces in our homes, we might compare grout repair to drywall repair.
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Will epoxy stick to grout?

Epoxy can discolour porous surfaces, such as natural stone, so these surfaces should be sealed prior to grouting.
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Will epoxy grout stick to cement grout?

Once the floor is grouted, take a few minutes to inspect your work. You will not be able to go back after the grout dries and add more to low places. Cement based grout will not stick to cement based grout. Epoxy grout will stick to just about anything.
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What happens if you put grout on top of grout?

Benefits of Putting New Grout Over Old Grout

Putting new grout over old grout is not as complicated as a complete re-grout as it does not require the removal of the old grout. It can also strengthen the surface to increase water resistance and make it less susceptible to impurities.
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How To Apply Epoxy Grout | DIY



Do I have to remove all old grout before Regrouting?

You may not need to remove most of the grout. It may be possible to apply new grout over old grout without removing it at some places. However, where the grout has deteriorated heavily through crumbling or become too dirty, it is best to remove it before applying new grout.
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How long will epoxy grout last?

Yes, epoxy grout is more expensive — as much as $8 per pound, compared with $1 to $2 for cement-based grout — but there is an upside to the cost difference: Powdered Portland cement grouts have a shelf life of only one year, while two-part liquid epoxies, if they are not subjected to freezing temperatures, will last ...
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Is epoxy grout worth the money?

Most importantly, epoxy grout is strong and durable. It is highly resistant to stains, cracks, chemicals, harsh weather conditions, and climate changes. These characteristics make epoxy grout the only way to go if you're looking for the most durable, efficient way to do tile work.
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Does epoxy grout get moldy?

Surprisingly, even epoxy grout can grow mold, which means we have to know how to clean epoxy grout. Some types of mold can grow in the grouting, backsplash, and also the tile surface. Even the grout residue and other sealants can be a fantastic place for mold to grow.
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Does grout stick to grout?

ANSWER. ANSWER - It is possible to grout over existing grout if there is enough depth to do so. 1/8 inch depth may or may not be adequate depending on the type of grout used. A latex modified grout may work, but you have to properly clean the existing grout to ensure the new grout adequately bonds.
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Can I use bleach on epoxy grout?

Basic cleaning should easily keep epoxy grout well-maintained, so long as you don't use bleach on colored grout. The biggest threat is epoxy grout haze, a layer of epoxy grout that gets stuck on the adjacent tile during installation.
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Why is my epoxy grout turning yellow?

Sealers and various waxes can contain polymers that can discolor over time and cause yellowing. Numerous grout types are prone to yellowing. For example, white epoxy grouts are notorious for turning yellow. Certain cleaners, especially those that contain dyes, can cause discoloration of grout.
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Does epoxy grout help hold tile in place?

Epoxy will stabilize only the area between the tiles – the grout lines. It does not stabilize your tile enough to replace proper installation methods. This is not what epoxy grout is intended for. A couple of reasons for using epoxy grout include the durability, ease of cleaning, and its ability to withstand staining.
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Does epoxy grout crack?

Epoxy grouts can develop cracks in long or wide pours if they are subjected to a temperature differential greater than 50ºC that is, if, during a seasonal cycle, the grout will be subjected to temperatures more than 50ºC cooler than when it was poured.
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How long does epoxy grout take to set?

Epoxy grout: The average drying time for epoxy grout is 24 hours. Epoxy grout contains epoxy resin and hardener, so it's ideal for tiles that will be exposed to harsher materials, like acid and grease. It's a more durable grout that's resistant to stains, cracks, chemicals, and weather changes.
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Can I use epoxy grout on porcelain tile?

Epoxy grout is durable, doesn't need to be sealed, is stain and chemical resistant, and can withstand high traffic and moist areas. This makes it particularly good for indoor and outdoor use. Epoxy grout can be used on porcelain tile.
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Is epoxy tile grout waterproof?

Epoxy grout is waterproof because of its components, making it ideal for applying in wet areas, such as showers. Epoxy grout has a high stain and oil resistance, it is very suitable for areas such as kitchens. After curing, the epoxy grout is durable enough not to crack, shrink or discolor.
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Is epoxy grout more expensive?

For epoxy grout, its price can be three to four times higher compared to the regular grout. This cost explains the main reason why some installers don't prefer epoxy grout.
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Can epoxy be used in bathrooms?

Epoxy flooring could be used in other humid spaces like public restrooms, spas, and wet rooms.
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How deep do you need to remove grout to Regrout?

Care must be taken to avoid damaging the tiles and it is very repetitive, The old grout must be removed to a depth of at least 2mm, preferably 3mm for re-grouting to work properly.
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Does epoxy grout have sand?

LATICRETE® epoxy grouts can be installed into joints from 1/16" (1.5mm) to 1/2" (12.7mm) wide. However, since these grouts do contain sand, narrow joints will appear with a coarse texture when compared to unsanded grouts.
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