Can you put new grout on top of old grout?

• <div><p>Unfortunately, you can’t put new grout on top of old grout. Regrouting requires a smooth surface in order to fill in cracks, so you’ll have to remove the old grout first. If you don’t, your new grout won’t just look bumpy—it also won’t properly adhere. Once it cures, it will start to chip away, leaving you right where you started.</p></div>

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Verified Reviews for Porcelain Refinishing pros in Dallastown, PA

*The Angi rating for Porcelain Refinishing companies in Dallastown, PA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Porcelain Refinishing needs.

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Last update on November 24, 2025

Reviewed in February 2025
Phillip was everything one wants of a repair person - professional, reliable, capable, reasonable, and honest. I give him my highest and enthusiastic recommendation.
Washington's Installation and Repair
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Reviewed in September 2023
Overall great experience. Brian, jimmy, and Jose all were great to work with and very punctual and kind. Great work on repairing wall and installing two ceiling fans, one of which was 20 ft high. Also repaired a bathroom sliding pocket door. They did a great job.
BT Building & Contracting, LLC
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Reviewed in June 2020
Jeremy did a great job repairing our plumbing. He was professional and did the work in a timely manner. Easy communication with the company using the message system on Angie’s list.
Construxx Inc
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Reviewed in October 2018
Very prompt, excellent service. Highly recommended. Skilled, explained the repair and how to repair it. Very friendly service.
Beck Creek Plumbing
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Reviewed in August 2017
System is very old and needs major repair. It's not worth the cost of repairs. I decided to get a new system
FM Berkheimer Inc
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Reviewed in August 2016
Fantastic, Bob Rodgers was prompt, extremely courteous, very knowledgeable. Bob is an asset to the service profession. I would recommend Rodger's Clock Repair, and will use his service in the future.
Rodgers Clock Service
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Reviewed in September 2014
Kevin and his assistant (his wife) were punctual, quickly identified the problem and had the repair parts with them. They were in and out quickly, the repairs done to our satisfaction. We also thought their charges were quite reasonable.
Kevin Harner Appliance Services Co
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Reviewed in June 2014
Ed arrived at the appointed time. He was very upfront about whether the repair would take or not. The crack had been repaired by the company who installed it many years ago. He cleaned up before he left. Ed was very professional and we would use him again.
Supertubs, LLC
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Reviewed in January 2014
There was one gentleman who did all the tile work; therefore the floors took 1 week. However, he was such a perfectionist and hard worker we didn't mind not having the floor done sooner. He ripped out the old flooring and sub flooring and removed doors and toilets before he began his work. ...
Keystone Granite & Tile
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Reviewed in January 2014
Marc Matesich did very high quality work. He also suggested multiple options for the job, all of which were good ideas. The job we chose included replacing a shower stall (which involved building a small new wall and padding two existing walls to make the new shower fit perfectly), replacing a...
Matesich's Quality Works
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Porcelain Refinish Repair questions, answered by experts

Unfortunately, you can’t put new grout on top of old grout. Regrouting requires a smooth surface in order to fill in cracks, so you’ll have to remove the old grout first. If you don’t, your new grout won’t just look bumpy—it also won’t properly adhere. Once it cures, it will start to chip away, leaving you right where you started.

You can regrout over old grout, but you risk poor adhesion, a sloppy appearance, and decreased lifespan. It’s best to remove cracked, damaged, and moldy grout with a grout saw. Vacuum the area before applying new grout. Apply the new grout with a grout float and remove excess grout with the edge of the float. Seal the grout for maximum durability and longevity.

If you've got problems with your grout, consider using caulking to repair it in some cases (or as a supplement). Caulk is more flexible and doesn't dry as hard as grout.

If you have cracks in your grout, a simple fix could be to use some caulking to fill those cracks in. Use a grout or rotary saw to get all the cracked grout out, and then just caulk the cracks in and smooth it over. You'll need to let the caulk cure for 48 hours to ensure it has properly set.

Yes, cracked tile does tend to get worse over time. A hairline crack could eventually cause a tile to shatter, especially if you drop something heavy on it or it’s beneath a large appliance like a washing machine. Cracked tile is less durable than tile that hasn't been compromised.

If your cracked tile is in a no-traffic or low-traffic area, a hairline crack or tiny chip may stay put for years without becoming a serious problem.

Yes, most tile repair services include re-grouting the repaired area. Confirm with your provider.

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