This is a common question I get from homeowners and contractors alike.
In short, the answer is yes. You CAN apply epoxy grout over existing grout. It does require some extra work in order to ensure that you are applying it over solid grout and not loose bits of existing grout or caulking, but it can be done.
Can you put epoxy over grout?
Epoxy grouts are commonly used in bathrooms and showers because they are moisture resistant, making them easy to clean and maintain. Grouts with this type of finish make your bathroom look great and will last for years with very little maintenance needed on your part.
If you have any questions about whether or not you should use epoxy grout in your bathroom or shower area, let us know in the comments below! We’d love to hear from you!
Table of Contents
What happens if you put new grout over old grout?
It’s possible to apply new grout over old grout, but you should be aware of a few concerns that may arise. First, there are many potential issues with existing grout.
For example, it could be cracked or cracked and discolored. The existence of these conditions will most likely require the removal of all old grout before applying the new epoxy grout.
If your current tiles and surrounding areas are in good condition and you would like to avoid the mess of removing your old grout, then you can re-grout with an unmodified Portland cement-based (regular) or modified Portland cement-polymer based (improved) sanded or unsanded powder premixed type product that is meant for use over existing ceramic tile surfaces on interior vertical or horizontal applications where moisture is present such as showers and tub surrounds walls and floors.
Can I just Regrout over old grout?
When you are considering whether or not to regrout your floor or tile, it is always best to ask yourself the following questions: Is the current grout in good condition? Is the old grout clean and crack-free? Is the old grout in loose parts of a room? If you answered “yes” to any of these, then it is feasible for you to regrout your floor or walls.
This can be done by removing all damaged grout and filling in with fresh new mortar.
Is it OK to grout over grout?
The answer is yes, you can grout over existing grout. In fact, the basic principles of grouting tile require that you do this. When you’re laying down a new floor or wall tile with fresh mortar, the finished product will have a myriad of tiny spaces between each individual unit in which mortar droppings and dust can collect.
This clutter is removed by spreading your chosen grout type (whether it be epoxy, caulk, or sanded) over the tiles until they are entirely covered. The excess is then wiped off with a wet sponge and allowed to cure for several hours to several days depending on the material.
You will notice that we did not mention chiseling away at old grouting before adding new when addressing how to properly apply fresh material. Your existing layer functions as an excellent foundation for any future layer of mastic because its rough surface provides plenty of indentations and unevenness for your new material to adhere to.
Do you have to seal epoxy grout?
Epoxy grout is known to be a non-porous material, which means that it doesn’t need to be sealed. So the first question we’re tackling today is: “Do I have to seal my epoxy grout?”
Though epoxy grout is non-porous, some people like to seal their tiles as well as their grout so they can keep everything looking fresh and new. If you decide you want to apply a sealer to your epoxy grout along with your tile, there are certain steps you should take for the best results.
How do I apply the sealer? You should wait three days after installing the epoxy grout before applying the sealer. Make sure that all of the surfaces are clean and dry before application, then simply use a paint brush or roller (depending on how large an area you’re covering) and apply your preferred brand of tile sealant according to its instructions. It might also be helpful to look into a product specifically designed for use on ceramic tiles if you’re dealing with that type of flooring or surface in your home.
How often do I reapply? You should reapply the sealer every one or two years depending on whether it’s being used on floors or countertops/walls – basically, any place that sees more traffic tends to need its sealant reapplied more frequently than places within walls or behind furniture where no one will notice immediately if things start looking a little dingy!
Does epoxy grout come premixed?
When epoxy grout is premixed, it’s measured into the proper ratio and placed in an easy-to-use container. This type is a little more expensive than when you mix it yourself, but the tradeoff is convenience. You can usually find this type of grout at home improvement stores, as well as online. If you buy online, Amazon has a decent selection of premixed epoxy grouts in different colors.
The only disadvantage to purchasing premixed epoxy grout is that you don’t have access to exactly how much you need—you’re limited by what’s in the container.
So if you’ve got a big job with lots of tiles to cover and are trying to save money, mixing your own may be a better choice (although it will definitely take longer).
Epoxy powder grout comes in two parts: part A and part B (the resin and hardener). To mix them together into one product, add water then stir until blended evenly.
It may take several minutes for the mixture to become smooth; make sure there are no lumps or clumps before applying it to your tile joints. You can purchase epoxy powder grouts at hardware stores or on Amazon:
How do you Regrout tile without removing old grout?
Regrouting tile without removing the old grout is a process that involves cleaning, applying for a grout release, and applying a thin layer of new grout over the existing grout. This method is not recommended in all cases, but it can be done if you are careful.
- Clean the grout line thoroughly with a plastic scrub brush and a commercial tile cleaner to remove any dirt or residue in the joints. Dry the area completely with paper towels to prevent any excess moisture from interfering with your work.
- Apply a grout release to the existing grout using a paintbrush. The release will ensure that the new grout does not bond too strongly to the existing material and allow you to wipe away excess material more easily when needed.
- Apply a thin layer of new grout over the existing grout using either your finger or an applicator tool designed for this task, such as one made from rubber or polyurethane foam. Press the new material firmly into place so it bonds fully with both tiles and provides good support for foot traffic going forward, then immediately wipe away any excess with paper towels before it has time to dry on its own.
4 . Allow your newly applied epoxy layer of grout to cure for 48 hours before exposing it to significant moisture or heavy foot traffic as directed by whatever product you used for this purpose in Step 2 above
How do you grout epoxy grout?
To apply epoxy grout, you’ll follow a very similar process to the one you used for cement grout. The first step is to prep the surface by removing as much old grout as possible from between your tiles. Then, using a rubber float, apply the epoxy grout at an angle and spread it along your joints.
Make sure that it fills any gaps completely – don’t be afraid to use a little bit of extra pressure if necessary! Now use a damp sponge in circular motions to wipe away any excess material left over after wiping once or twice more with just water so that all of those beautiful lines will show through when they dry out (which should take less time than most other types).
If there are still some stubborn spots left on top of your tiles where they won’t come off easily (or perhaps not at all), try using another type of remover such as WD-40 spray lubricant which may work better in certain circumstances because it’s designed specifically for sticky surfaces like tile floors.”
What it comes down to is that you should not apply epoxy grout over existing grout. Epoxy grout is a better choice, as it is more durable and has better stain resistance.
However, if you decide to go with an epoxy grout product, then you have to be prepared for some extra work. You need to remove the existing grout first. Otherwise, you will end up having a mess on your hands.