You can apply new grout right over the top of the old grout. To do this, all you need is a grout removal tool. Use the tool to strike out the old grout, making sure the depth is at least 2mm, which is about the thickness of two dimes stacked one on top of the other.
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.
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.
You don't even need to fully remove all the old grout before you put a new layer of grout on, if you do the proper work to prepare it. While you absolutely will have to remove some of your existing grout, with a little grunt work and some solid preparation, you can get this job done in a weekend.
Remove most of the old grout before regrouting. DIYing this project is possible with time, patience, and the right tools. You can change your grout type when regrouting. Pros charge $10–$25 per square foot for complete grout removal.
Whether you are replacing old cement grout that has become weathered and worn or you want to update to a safer grout, Starlike epoxy grout is perfect for the job.
The grout should be dug out a minimum of 3mm deep (preferably deeper) so that new grout can have a firm base and a larger surface area of the sides of the tiles to adhere to.
Grout will wear away over time as you clean your shower and from age. Unless you remodel the entire area, you will need to regrout the shower and other areas from time to time. Grout serves an important purpose, but it is not a complicated process.
Is Regrouting Difficult? Regrouting a bathroom shower or tub stall may seem difficult, but it really is just grunt work. The process is relatively simple and an entire shower regrout can usually be finished in about a day – even by someone who has never grouted tile before.
Regrouting a shower is more cost-friendly than replacing shower tiles entirely. It's worth regrouting a shower that needs a little TLC because grout helps protect your bathroom from mold and mildew.
There are two ways you can change the colour of your grout. You can either remove the old and replace it with new, or you can dye your existing grout. The latter will only work if you currently have light grout and you want to dye it darker.
When Should You Regrout Your Tile? Grout doesn't last forever. You can expect a lifespan between eight and sixteen years. Its lifespan will vary depending on how you treat your shower.
Sealing wall and floor tile grout in your home can be very beneficial. This is particularly true in shower or bathroom areas where moisture, shampoo and soap residues can cause hard to remove staining and contamination.
Tile and sealed grout is water resistant, but without the proper preparation and installation, water will find its way around them in no time.
Shower regrouting done by a professional company will typically take a day to each shower and the cost can range from $900 to $1800 depending on the skills of the contractor, the materials used and the size of the shower.
Moisture and direct water contact contribute to grout deterioration over time, and eventually, the tiles will crack. This is why you should consider regrouting shower tiles every six months.
Epoxy grout is a great choice for showers and moist environments. Epoxy grout is water resistant and made from resins and fillers that help it work like a sealing adhesive.
You don't have to remove all of your old grout to apply the new grout. The new grout can be applied right over the top of the existing grout. You will need a grout removal tool, which is a small tool with a sharp blade capable of chipping away the grout.
A reciprocating saw with a grout-removal attachment is one of the best ways to attack very tough grout, including sanded or epoxy-based grout. These powerful tools get the job done quickly and without creating too much dust, but you'll need to work carefully to avoid damaging surrounding tile.
Epoxy Grout is: Waterproof, durable, stain- and shrink-resistant. The best grout for a backsplash, shower surround and other surfaces susceptible to moisture or stains.