We consider a new grout over old grout to be a worthy investment in the long run. Let’s take you step by step, type by type, and find the best new grout over old grout for you.

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Our Top Picks:

Best Overall: Buy: Custom New Grout Over Old Grout READ REVIEW

Best For Grout Not Natural Stone: Buy: Aquax New Grout Over Old Grout READ REVIEW

Best For Brick: Buy: Rainbow Chalk Markers Ltd New Grout Over Old Grout READ REVIEW

Best For Outdoor Use: Buy: Jennifer'S Mosaics New Grout Over Old Grout READ REVIEW

Best For Closely Installed Bathroom: Buy: Rainbow Chalk Markers Ltd Old Grout READ REVIEW

Best For Large Spaces: Buy: Penta Usa Kitchen Bath All Faucetsaccessories New Grout Over Old Grout READ REVIEW

Best With Black Grout: Buy: Savogran New Grout Over Old Grout READ REVIEW

Best For Ceramic Tile: Buy: Nadamoo New Grout Over Old Grout READ REVIEW

Best Overall: Custom New Grout Over Old Grout

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The Custom New Grout Over Old Grout's high-end materials makes sure that it ages well with use. The custom new grout over old grout is ideal for shower walls and it is made with great stuff. Make sure this fits by entering your model number. In these areas we an appropriate caulk or sealant such as commercial 100% silicone caulk or polyblend ceramic tile caulk.

The grout is crack resistant, is great for counter tops and it is made of great quality. Also, the grout is highly recommended and it is perfect for mosaic tile. Above all, the custom new grout over old grout is very thick and it is great for shower floors.

Almost all buyers found that the grout is easy to use, spreads well and dries within hours. Further, they also found that the grout is used for showers but not steam rooms. Moreover, a few say that the color goes a little darker and comes out in a beautiful silver - y / gray shade. Overall, many customers have used the custom new grout over old grout for more than a few months without any complaints, and it shows no sign of giving up.

• This is ready to use upon opening the container in perfect condition.
• It looks wonderful and it is ready to spread.
• This will adhere to the already existing grout.
• For grout joints from 1/16-inch to 1/2-inch width.

Best For Grout Not Natural Stone: Aquax New Grout Over Old Grout

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We would, of course, be remiss if we didn't mention Aquax New Grout Over Old Grout for daily usage. The aquax new grout over old grout is great for shower walls, is much more and it dries clear. After you’ve spent time and money on your backsplash, shower, kitchen counter, or tile floor, it is inevitable that water or other liquids (like coffee or wine) will splash on the surface and soak into the porous grout, promoting stains. In addition, this is perfect for mosaic tiles and it is used for floor tiles.

Most importantly, the aquax new grout over old grout has wear a mask, is free and it is just clean.

Most buyers quickly discovered that the grout is a water based silicone sealer yes. Also, a few strongly agree that the grout has been awhile since it was sealed. In addition, a few say that the main floor area to hold its light grey grout color.

• Easy spray on application; wipe off overspray off of any glazed tile.
• This is clear and is wiped off the tiles, sealing the grout.
• This works well on the shower wall.
• Breathe easy when applying this sealer due to no harsh odor and low vocs.

Best For Brick: Rainbow Chalk Markers Ltd New Grout Over Old Grout

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Rainbow Chalk Markers Ltd offers a variety of grout for personal choice and yet maintains quality in all the variants. The Rainbow Chalk Markers Ltd New Grout Over Old Grout is good for long - lasting ink, allows for a cheap upgrade and it is great for power washing. Non-toxic, water-based colorant that covers grubby grout stains making it look brand new again. Note: If the grout does not absorb the water drops within a few minutes, this indicates that the grout was probably sealed.

The grout is ready to go, does the trick and it works great. Above all, the rainbow chalk markers ltd new grout overold grout drys fast, is very nice and it makes for ease of use.

Most customers found that the grout is great for those deep small holes or grooves that are in the tile that leave dirt spots that are almost impossible to get out. of. Further, they also found that the grout is a breeze and even better for the pricing. In addition, a few say that the pen is a great idea and really easy to use in the corners of a shower.

• This has two widths of pens available.
• This is so fast and easy, even easier than cleaning the grout.
• This is non-toxic and it easy too.
• This is great for covering dirty or stained grout.

Best For Outdoor Use: Jennifer'S Mosaics New Grout Over Old Grout

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The Jennifer's mosaic new groutover old grout's high-end materials makes sure that it ages well with use. The Jennifer's mosaics newgrout over old grout works well for good quality and it worked fine. Make sure this fits by entering your model number. Further, the grout is actually fun, is very nice and it is easy to mix.

The grout is great for indoor and outdoor use and easy to use formula. Above all, the Jennifer's mosaic new grout over old grout is packaged in 2-pound reusable containers for easy handling and storage.

Almost all buyers agree that the grout does not cover a large area though. Further, they say that the grout was a 2x2ft area and it only covered 1/4 of it. Further, a few strongly agree that the grout has a more dense surface than glass.

• This is messy to work with but looks good.
• This is good for mosaics, not for tiling.
• Use to grout lines over 1/8-inch.
• It is dark gray and it looks fabulous.

Best For Closely Installed Bathroom: Rainbow Chalk Markers Ltd Old Grout

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Next on the list, we've got yet another grout that manages to win our hearts. It's the Rainbow Chalk Markers Ltd Old Grout and it's widely considered as one of the most convenient grout you can buy. The rainbow chalk markers ltd oldgrout read the directions, is very thick and it flows very nicely. Make sure this fits by entering your model number. Note: If the grout does not absorb the water drops within a few minutes, this indicates that the grout was probably sealed.

Lastly, the rainbow chalk markers ltd old grout would be perfect with product description, It works great and it does the job.

Almost all customers agree that the grout is great on grout lines and really restores the look new. And, a few also found that the grout was easy to use, tip of the pen was not durable. In addition, they strongly agree that this is much easier than grinding out old grout lines and much cleaner.

• This is easy to apply and has lasted through several floor washings.
• This is easy to apply and clean off if it gets on tile.
• This is ideal to restore the look of tile grout lines.
• This is a nice little pen which is easy to use.

Best For Large Spaces: Penta Usa Kitchen Bath All Faucetsaccessories New Grout Over Old Grout

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The Penta Usa Kitchen Bath All Faucetsaccessories New Grout Over Old Grout is capable of outshining several other grout featured in this list in overall features in its price range. The penta usa kitchen bath all faucetsaccessories new grout over old grout has waterproof (waterproof), and water-resistant fast-drying features. Look of the product is silicone-based. Also, it is designed to instantly color and cover stained, dirty or old grout.

The grout restores tile grout lines and leaves them looking clean and protected. And, it is good for walls in kitchens and it is very effective. Lastly, the penta usa kitchen bath all faucetsaccessories new grout overold grout works as advertised and it is ideal for floors.

Almost all customers agree that the grout provides color uniformity, durability, and stain resistance. Furthermore, a few also found that the grout is good for the edge of the floor, but quite tough to apply wide area. Overall, many buyers have used the penta usa kitchen bath all faucetsaccessories newgrout over old grout for more than a few months without any complaints, and it shows no sign of giving up.

• You can also change the color of grout by covering up stubborn grout stains.
• This can be used on vinyl flooring in places because it lacks flexibility.
• This is great for bathroom tiles, is non - toxic and it is eco-friendly.
• This is necessary to deep clean the mildew.

Best With Black Grout: Savogran New Grout Over Old Grout

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Savogran makes beautiful and great grout with classic and smartly chosen materials. The Savogran new groutover oldgrout has a nice consistency, is good for country of origin and it read the instructions. Savogran 12860 ready-to-use tile grout 8 fl. And, the grout would be perfect with product description and it works well for small jobs.

The grout is useful, is very thick and it is good for water proof. Lastly, the Savogran new grout over old grout quality is perfect and it worked fine.

Most buyers find that the grout is always good to keep it on hand. Also, they strongly agree that the grout is not grity This is smooth is for tiles on the wall where you don’t use sand. Moreover, a few strongly agree that the old grout using a dewalt vibrating tool and then cleaned the gap with wet cloth.

• This is clearly indicated 8 ounces.
• Savogran co 1/2pt ready-mix tile grout 12860.
• This has a great smooth finish.
• This is described as tile grout weighing 1 pound, and it actually is 8 oz.

Best For Ceramic Tile: Nadamoo New Grout Over Old Grout

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Next on the list, we've got yet another grout that manages to win our hearts. It's the Nadamoo New Grout Over Old Grout and it's widely considered as grout that has the most suitable features. The nadamoo new grout over old grout provides stronger structural integrity than cement grouts. Make sure this fits by entering your model number. The waterproof epoxy grout provides protection against fading colors, rust, stains, and cracked textures after applying.

The grout is the epoxy resin and b bottle is the curing agent with pigments. Moreover, it is an ideal replacement for regular grout and sealant caulk. Above all, the nadamoo new grout over old grout is a fully waterproof and stain resistant product that’s easier to apply over other products and suitable for use in wet areas.

Most customers opine that the grout does harden it becomes glass like. And, they say that the grout comes with 2 nozzles since it’s hard to clean. Moreover, they say that the grout will remain white and will not turn yellow for a long time. In short, for almost all customers, it was what they were looking for.

• Comes out as pre - mixed.
• Each bottle contains 7-ounces (200g) of material.
• This is applied through a dual caulking gun directly into the grout cavity.
• This is easy to work with but the results are great.