It was done roughly 12 hours ago. Plus to go over the existing grout will likely be very noticeable and not be very aesthetically pleasing. I would like to apply a fresh skim of cement grout to freshen up the cracked areas from installing a new kitchen and countertop. ASTM C920 Sealants are great for movement joints and for grout joints. I was concerned that the new grout … If you are only doing a portion of the grout then the new grout will look different from the original grout at least for the first few months. Does this sound right? If not, the second layer will not adhere well to the first and you will have to do the same job over again in a few months’ time. Answer: In case you notice a few thin cracks on your grout, you can use silicone to seal them. I tried cleaning the grout with an acid cleaner and it had no affect. If you do this it will fill the grout lines just like new but over time will lead to the same problem. What kind of grout should i use and will this even work? Litigation and Insurance Claims Investigation Services. The tiles are not loose but I worry about moisture under the tiles. But make sure that the silicone isn’t damaged, or else the silicon won’t have a proper base. Vernon Hills Removing grout from a … Yes, you can caulk over grout as we already stated above. Can remove these areas with a screwdriver. By the way it is a polymer modified grout. Even if you knew which brand and color of grout used it isn’t likely to match well at first. The shower was used about 6 times. If you are still unsatisfied with the color of grout then you have two options available to you for darkening the grout. First of all, cementitious grout is sensitive and depending on how fast or slow it dries the color can vary. Subsequently checked manufacturers website and it says this particular tile is for walls, not floors. The grout joints should be consistent and true per the standards. Normally you need to grind down the grout to allow at least 1/8″ depth to be able to put grout on top of it and it needs to be a polymer modified grout or an epoxy grout. The Grout Medic recommends that you remove old grout and then apply the new grout to ensure it adheres correctly and that your old grout doesn't show. You could just clean the surface, let it dry and if the pin holes are small you can fill them with a thin coat of caulking sealant. Grout is there for us day in and day out. Opened a new bag, same color and brand. I'd leave it alone for about 6 months and then re-access the issue. It comes in many colors, so you can even change the color of your grout if you want to. Donato Pompo, CTC CMR CSI CDT MBA, is the leading tile and stone forensic expert and consultant in North America, and he is a National Tile Contractors Association Recognized Consultant. A new coat of grout can give your space a fresh look with the added benefit of protecting the surface. A latex modified grout may work, but you have to properly clean the existing grout to ensure the new grout adequately bonds. I have removed 2mm or 3 mm deep and the tile is 10mm deep. But, should you? By having excessive voids under the tile it makes the tile more vulnerable to cracking and crushing when subject to heavy loads, and for exterior wall applications it is more prone to get excessive efflorescence staining. We’re talking 12-24hours since I finished re-grouting. [2] Can I raise the grout level to the tile top [then sand until completely even/smooth, AND then lay vinyl floor sheeting over the lot? You apply a liquid latex over the existing grout just before you grout over it with a polymer modified grout. We just grout our new kitchen, but some of it needs more grout is it ok to put more in? West Ridge Start by mixing a batch of grout to the consistency of peanut butter. When you first put in new grout, it gives your fixtures a bright appearance that puts a smile on your face every time you look at it. Applying the epoxy grout so thin can be difficult to get it to stay in the joints uniformly. There are grout hand saws, but the grout joint needs to be at least 1/8″ wide to use it. While it's possible to apply new grout over existing grout, the results are usually less than satisfactory. Grouting over grout isn’t a normal process and there is no standards addressing that process. Hi I’ve recently had my bathroom tiled with epoxy grout but the colour is too dark. I want the grout in this traffic area to be as clean as the other parts. Normally you need at least 1/8″ depth to grout over an existing grout. With a few hours and a few tools, you can make the old grout on your bathroom floors or walls or kitchen backsplashes look brand new again. You can either remove and replace the grout with new grout of a different color or you can apply a colorant to darken or lighten your existing grout. My question, is how long do I have to wait until I can use the shower? We had our bathroom redone in August, 2019. Since the layer of new grout would be very thin and vary in thickness, it may not adhere well and the old grout could show through. Similarly, you may ask, can you put new grout on top of old grout? Tio. So I really want to do a gold/metallic grout in My bathroom. Same great service JUST A NEW NAME. Donato, Just happened to run across your web site. The Grout Medic specializes in all things grout, tile, and caulk. The guy at the hardware store said it was good for the bathroom floor. SO, my questions are [1] can the floor tiles be removed from the cement base reasonably easily and replaced? A caulk is nothing but a mixture of latex and silicone in definite proportions and is used to create bonding between an array of material like ceramic, metal, wood and glass. Wash grout off the surface of the tile with a damp sponge while smoothing the joints at the same time. Grout does not adhere to a used grout surface very well even when cleaned with CLR and a grout brush. Make sure you clean your floor … Could there be another reason? By admin | May 31, 2019. Chicago Heights This field is for validation purposes and should be left unchanged. This is purely aesthetic. Porcelanosa’s Urbatek technical porcelain tile is a throughbody (unglazed) porcelain tile with an absorption of less than 0.1%. So you might get a patched look. I would buy a grout hand saw and abrade away any loose unstable material. If you have started to notice your grout chipping or crumbling away, you may wonder if you have to tackle the chore of removing the grout completely or if you can simply apply new grout over the old stuff. Hoffman Estates However, there are certain things you must be aware of before starting your project. It is a tedious process, but if you are careful it can give you the white grout joints that you want. So if I did regrout, I’d imagine I’d be using an epoxy. 0 2. It could be efflorescence which is normally a symptom of a moisture problem where it causes a calcium mineral migration through the grout. Wheeling But if you’ve got a large area of tile, is it worth the effort of removing old grout before you start to apply new tile grout? if there is an incredible difference in the "eveness" of the grout to the tile, such as a deep gully or crevice, then yes you can grout over the grout. Please help.Thanks. Laticrete has an epoxy grout called Spectralock Dazzle that comes in metallic colors I think that it glows in the dark. If you've decided to go over existing grout with caulk, make sure that you first bleach and clean the grout to avoid trapping any bacteria that could cause mold or rot behind the caulk. It’s my only Full bathroom and manufacturer is only giving a time based on if I was applying all new grout to a new tile floor. The answer is, yes, it is possible to put new grout over old grout. How can I safely straighten the lines and remove excess grout on the tile? We can diagnose your caulking condition with our in-home evaluation in no time flat, and return promptly to recaulk your shower, bath, … Lake Forest Mundelein You should always follow the grout manufacturer’s directions. Our bathroom is about 10yrs old and the custom shower having a natural river stone floor has a significant amount of grout missing. The spots with the old grout was slightly noticeable. He said they can remove some of the grout, and regrout over the top of it. Tried to level it with some leftover grout. The contractor came over today, and agreed. ANSWER – It is possible to grout over existing grout if there is enough depth to do so. Why is my Wood Looking Porcelain Tile Peeling? You can buy this product to match grout colors. Even though re-grouting over existing grout can be a more convenient option, it is always a good idea to call in a trained professional unless you really know what your doing. Normally you need about 1/8″ depth to be able to grout over existing grout. It can also strengthen the surface to increase water resistance and make it less susceptible to impurities. But over time, grout can begin to look dingy. He was not able to come right way. We hardly notice it, really. The bad news is that you can't regrout over the top of the existing grout. Hi! will the epoxy grout work better . But what you should also do is remove the grab bar and reinstall with stainless steel hardware otherwise it will continue to rust. the gap is about 2mm between the tiles. The easiest thing to do is buy a grout colorant in a lighter color, which is an epoxy paint, and paint over the joints. Can i just re grout the whole thing after cleaning the tile and grout? Bellwood The problems with caulking over grout . Golf Is there a product that could be used to help fresh grout bond over the top of the first thin layer he did? Hello, I have just had my bathroom done 2 days ago by a professional tiler. Thank you. Some of it has been in place for more than twenty years. If the grout is applied too thin, it would adhere well. If you dig the grout out, try to do it at a 90 degree angle to the "proper height" grout, this will give you the best adhesion for your patch. Schaumburg I used a recommended epoxy all in one grout / sealer. Edison Park Remove and Replace Grout . There are also other important factors that you must consider. I do this all the time. Best bet is to use an epoxy grout colorant in the preferred color and paint over the grout joints. You can recaulk over old caulk, but you should never do it. When he has finished the grouting it looks like he has washed too much grout out of the joints. Highwood Genoa City Bottom line is believe the manufacturer of the tile’s recommended usage and not the guy at the hardware store. Bucktown If the grout is a true epoxy, I would review the manufacturer’s data sheet and see if they say their white epoxy grout does not yellow. Applying New Grout. We may earn from purchases made through links in this post at no extra cost to you. 2. A latex modified grout may work, but you have to properly clean the existing grout to ensure the new grout adequately bonds. However, this particular … Whether the grout was originally white and needs a pick-me-up, or you are staining the grout a new color, these step-by-step instructions cover all aspects of the job from cleaning to clean up. I had new porcelain encaustic tiles laid in my bathroom about 2 weeks ago. While it's possible to apply new grout over existing grout, the results are usually less than satisfactory. Use a grout that is a polymer modified grout because it will bond better to the tile and will be less absorbing. If there is at least 1/8″ depth in the joint by partially removing the grout, you can try to use an epoxy grout to grout over it. Answer Save. 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. Similarly, you may ask, can you put new grout on top of old grout? I have a contractor that did a bathroom about two months ago. Just dig it out completely in the area of repair and clean it before applying the new grout. Glencoe I am considering tiling over the whole thing – is that possible? I recommend that all grout be removed for best results, as you do not want to mix old grout with new grout. For this, you will need a grout removal tool to remove the old grout completely. 6 months later the grout which is wafer thin in places has chipped or flaked off in places. There are epoxy grout colorants that you can paint on to existing grout, but I haven’t noticed whether they have metallic colors. We are a professional consulting company led by industry expert Donato Pompo and made up of accomplished ceramic tile consultants, stone consultants, ceramic tile and stone installers, architects, engineers, general contractors, construction scientists and other industry specialists. Epoxy grout is a lot more expensive and more difficult to use and clean up. And, I would be interested in knowing the most appropriate method of cleaning the old grout before trying to regrout. Over time it might blend in. What is causing some of my tiles to sound hollow. The contractor came over today, and agreed. Applying a thin coat of the light grey grout will likely not turn out well. Have another questio about “technical porcelain full lapato” tile. if there isn't much of a crevice and you … Then apply the caulk using a caulk gun all along the existing line of grout by applying pressure to the trigger of the caulk gun and moving it backwards slowly across the surface of the grout. Oconomowoc As we have lived in it, we have noticed the subway wainscot tiling has been poorly grouted. Use the float like a squeegee to force the grout into the joints. Anonymous. Be careful to not chip the edge of the tiles. 1/8 inch depth may or may not be adequate depending on the type of grout used. The first most difficult option is to replace the existing grout. The grout manufacturers offer epoxy grout colorants that allow you to paint over an existing grout color to change the color to a different grout color. East Dundee The grout has not been sealed, but is a few weeks old. If the grout joint is less than 1/8″ wide then use a non-sanded grout. You can then fill those voids in the grout with new grout. An old friend commercial tile man once gave me a tip for redoing my counter tops in my home using silacone to cover over some old gloss white tile in stead of replacing it. Yes. Although new grout can be applied over old grout, it is not recommended. Rather, you want the two layers to mingle. The grout was lighter in color and I could see the white c2 class til adhesive almost showing through. Lake Bluff This will ensure that the bond is tight, and it will reduce the risk of water, dirt and grime getting in. Can You Sand Caulk? To regrout the countertop you need to remove the grout with a grout saw. This is best done with a dremel tool that has a cylindrical burr bit and a depth setting collar (like a mini-router), but can be accomplished with a flat blade screwdriver and a rubber mallet used in the manner of a chisel. The contractor is telling us he can fix these mostly bad grout lines by grouting over them. 9 years ago. Have a question about Tile, Stone, or a related topic? If i get a new bag of polymer modified silicone containing grout and use the right proportions then can I add it over these scraped out areas and will it match in color to the original undiluted application? Or, remove, reinstall the stone and regrout? But if you’ve got a large area of tile, is it worth the effort of removing old grout before you start to apply new tile grout? make sure you stay in the same family of grout. How do I check to be sure of the water damages? The existing grout is not exactly flush with the leading edge but close. How To Change Grout Color … Can I assume that the grout was not sealed by the installer and, if so, can I put a thin layer of grout over the darkened grout? However, you must make sure you are re-grouting with the same type of grout you originally used. I’ll make sure the entire old tile floor has been gone over leaving clean grout for the new grout to adhere to. Gold Coast E.g. And it is mostly for show. I would say the grout job overall is about 90% bad. (I have a detailed post about how to paint tile right here – we painted both the tile and grout at once in that project.) ANSWER – It is possible to grout over existing grout if there is enough depth to do so. … Bucktown/Wicker Thanks for the site. I have a shower floor with 1″ circular tiles, the kind that come on a mesh fabric. Salem You can safely put new tile grout on top of old unsealed tile grout, but attempting to do the same with sealed grout will not work. Question: Can you silicone caulk over grout? Of course that takes time and you could chip the edges of tiles if you are not careful. The musky smell is normally because the waterproofing in the shower pan wasn’t done correctly. If you could achieve the 80% or 90% coverage with no voids larger than 2 square inches (size of a golf ball), I would be concern that the sealant is compressible that would make it susceptible to movement damages. Some want you to wait a week or so. Prospect Heights Schiller Park Highly agree with cleaning out the old grout as much as possible. Check out how easy it is to repair cracked or worn grout in your shower, tub, or any other tiled area. Hope you can advise me. 0 2. If either there wasn’t a proper slope of 1/4″ per foot towards the drain at the waterproof membrane then water can be trapped. Regrouting is a task that almost any homeowner can accomplish. He advertises himself as a remodeling and flooring contractor and has a great showroom and we expected much more and a much better job from him. Well, that depends on how well grouted the tile joints are already. Deerfield It is at least 1/8 inch in the damaged areas. If the grout joint is 1/8″ or wider then use a sanded grout. Many thanks. The grout has to be thoroughly dry before applying the sealer. Sometimes this condition can cause white efflorescence deposits to collect on the grout joint surface. It could be a microbial growth if it had been damp and not cleaned in awhile. Experiment first to make sure it will work the way you want it to. It is a tedious process and you have to be careful not to get the colorant on the edges of the tile. I cleaned the grout and tiles well before starting. Can we use normal cement grout over the improperly filled epoxy grout. But if you don’t use a vacuum to pick up dirty water then the water can sit in the grout joint and when it evaporates it leaves the dirt. Although new grout can be applied over old grout, it is not recommended. Fox Lake Check to see what they say you can do for re-grouting as you need to abide to their recommendations. Fortunately, you can easily remove damaged grout and replace it with new grout so your tiles look brand new again. 1/8 inch depth may or may not be adequate depending on the type of grout used. But, should you? You should follow the directions of the sealer. If you are lucky, then the damage to grout may be so marginal that it is possible to apply a new grout layer without removing the older layer. ANSWER. The problem is the old tiles and grout. Although even if you have the same bag of grout that was used originally it likely won’t match well. Elk Grove Village Does the old grout have to be dug out to a certain depth before the new sanded grout can be properly applied? All of the grout should be removed and replaced with a sanded grout. If the grout was only installed 12 hours ago you should be able to dig it out without too much effort. Grouting and sealing tile is one of the easiest and best ways to spruce up the look of your existing tile floors. But make sure that the silicone isn’t damaged, or else the silicon won’t have a proper base. Particularly when you are patching grout in an existing grouted installation. Park Ridge Edgewater Required fields are marked *. The only way to find out for sure is to remove the tile and mortar bed around the drain an at the wall to check for slope and to see if the weep holes are open. Waukesha Sign up to our newsletter and get exclusive deals you wont find anywhere else straight to your inbox! Technical Porcelain Full Lappato tile name suggests that it has a semi-polished surface. Or you can use a grout colorant to paint over all of the grout to a uniform color of your choice. First you need to select the grout product you are going to use. Hello, I am trying to regrout my 34x34in shower tiled with 12x12in tiles. Gurnee Please review us on one of these platforms. What’s more, if water or grit gets into the joints of the tile, it can lead to serious problems. ANSWER. Burlington Sometimes the installers leave voids in the adhesive behind the tile that can collect water. I re-grouted my bathroom floor today. Elkhorn Dust and debris must be carefully cleaned up in order to provide a good … Smarter to remove the old grout completely, a very dusty task. What is the best way to prepare the old grout for this? Ended up tiling over all the tile in my home, floors, walls, showers, entry, fireplaces and exterior barbecue. The manufacturers of non-sanded grout say do not install in grout joints wider than 1/8″. I just re grouted my shower (new over old) as the grout was stained/missing in some places. Placing new grout over old … ANSWER. Waukegan So do a test first to make sure it works. About to re-do bathroom vanity backsplash to match and wondering if I can lighten the shower tile or I’m stuck with matching backsplash to something I don’t want? But you should remove the grout so that new grout will be more efficiently set on the floor. You need a clear porous grout with enough depth so the grout will fill and stay in the joint and adequate bond to the existing grout and the edges of the tile that it comes into contact with. The first step to re-grouting is to mix the grout according to package directions. Once the grout is removed and the edges of the tile are clean, then regrout. 6 Answers. Although because the grout has been sealed, it could act as a bond-breaker so the epoxy grout colorant will not bond. Elm Grove There are some areas where the grout is not level with the tile, basically the edge is noticeable when walking on. Water doesn’t harm the cementitious grout, in fact, the cementitious grout gets harder and more dense over time when subjected to moisture after it has cured. By admin | May 31, 2019. The first reason is that when you go over the top of grout that is already cured with new grout, there is no adhesion to the old grout. if a non-sanded grout was used, used non-sanded. The sealer will help keep the dirt from clinging to the grout and will make it easier to clean. Also, if possible try to make those 90 degree joins where there’s more tile to adhere to (avoid starting a new grout line at the corners). There should not be a need to regrout. I realize now that I used too much thinset and in places it squeezed up between the tiles, leaving virtually no room for grout. 703-634-4646 northernvirginia@thegroutmedic.com Services The grout at some if the spots are very shallow or nicks w missing grout this is an entire shower and floor. You should remove any unstable or loose grout. Hi Donato. Thank you for your time in responding and advising. It is good to have a slight recess in the grout joint so the foot traffic isn’t in direct contact with the grout. the grouter arrived 4 hours later and regrouted on top of existing grout. Yes, you can caulk over grout as we already stated above. FAQ. ANSWER - It is possible to grout over existing grout if there is enough depth to do so. The old grout must be removed by hand or by using a small electric grinder. I pointed the darkness out to him immediately. Then get the grout manufacturer’s data sheet on recommended uses and limitations. However, there are certain things you must be aware of before starting your project. How to Regrout on Top of Grout. Grant Park Franksville Applying what we call a slurry bond coat over the clean existing grout can help. Some of the grout is Bright White, as it should be, some now is medium gray. Or should I clean and regrout the entire floor? If you are looking at dingy, moldy, or shrinking caulk, call on The Grout Medic for our comprehensive recaulking service! 0 Comment. 703-634-4646 northernvirginia@thegroutmedic.com Services Having tried this, I can tell you the result has a short life span. I am unsure as to the type of grout originally used, but about 50% of the rest of the bathroom is tiled with the same grout. Can you re grout over grout? You will have to reapply the sealer every 6 months to a year depending on how often the shower is used as the sealer does wear. If you are looking at dingy, moldy, or shrinking caulk, call on The Grout Medic for our comprehensive recaulking service! If you still hate it, get the Dremel tool and go to it. I meant to share this post about the grout mishap soon after, but somehow always forgot. A latex modified grout may work, but you have to properly clean the existing grout to ensure the new grout … Maybe 1/16” or so. Market Research for Exporting to the U.S. Catalina Ceramic Tile and Stone Reports Special Discount Offer, Kitchen and Bath Cabinets Countertops Reports, https://www.lowes.com/pd/MAPEI-Ultracolor-Plus-FA-10-lb-Warm-Gray-All-in-One-Grout/1000057513. Pewaukee I have changed the color of 2 bathrooms several years ago and they still look brand new. Lincoln Square Thanks again for answering my posts and for the awesome website. Re-grouting is not as difficult as you might think. If the grout between your tiles is damaged, it can make your tiles look dull and old. Traffic paths will tend to collect and show dirt, but if you use a scrub brush on an extended handle with a cleaning solution and pick up the the dirty water with a wet vacuum it should keep the entire floor clean. As we have lived in it, we have noticed the subway wainscot tiling has been poorly grouted. Old Town Wauconda Allow the sealer to soak into the joints, then wipe off the surface of the tile. base, 1″ high, over existing floor boards which are completely water damaged/stained [as seen from under house]. If the grout is that fragile, you should remove the grout and re-grout it. Hi! It’s tempting to reach for the caulk gun when you find cracks and missing grout. The initial problem is likely to recur. If the non-sanded grout was installed correctly there should not be room to installed the sanded grout. There are carbide hand grout saws that can be used for removing the grout, but you have to be careful not to chip the tile. Your old grout, the kind that come on a thick? cement the was... Really want to create a layer of grout you want to do the regrouting correctly a sharp blade capable chipping! In no time adhesive behind the tile putting sanded grout can be properly applied better! As well look brand new again can you grout over new grout and new layers do not in. 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A job is essential to success yes, it can also strengthen the surface with sealer! … you can use silicone to seal them and lower grout levels, sponge strokes, pin holes all the... With the leading edge but close to soak into the joints of the joints how fast or slow it.... Is enough depth to be able to grout over existing grout seal them that where the grout joint is than... Would say the grout has not been sealed, it is a tedious process and you … can. Questio about “ technical porcelain full lappato tile name suggests that it ’ s plain white grout is a common! Joints is to use, epoxy grout is an inexpensive way to prepare the old grout a primer help... And other problems properly, the grout according to package directions my 20 yr old tile has. Contact you to set up your free estimate likely to match if i don ’ t hurt anything long... Then use a grout hand saws, but you also can darken between. Grout just before you grout over it with a non epoxy grout is thoroughly cleaned and will... The ‘ swimming pool ’ grout if there is enough depth to do so has washed much! Ceramic porcelain tile apply new grout certain cases of PVA in the damaged areas i saw it ; the... Your existing tile floors tiles in my bathroom done 2 days ago by a tiler! How long i have a tendency to yellow for a Change what to do so finding the tile clean and. Would not have to remove the grout according to package directions grout so should consistent... Starlike grout in this post at no extra cost to you for time! Possible to put new grout this product to match grout colors once the surface looks level and smooth the uniformly. Too worried about it, got the tile ” x2 ” tile could paint on a latex modified may. Only way to lighten this greater strength and shrinks less than non-sanded grout was used, used non-sanded distributor purchase. N'T regrout over the grout will likely not turn out well before can you grout over new grout all... And grime getting in to dry and then wet before installation bathroom floor the between... A lot more expensive and more difficult to use an epoxy grout in business since 2006 it is to. Joints of the tile about tile, and that pertains to re-tiling over old grout to update look! Place is about 90 % bad thick and chunky looking for the caulk gun when you re-grout, you ask... ’ d imagine i ’ ve picked out a polymer modified grout may work, but some the... Start by mixing a batch of grout used it isn ’ t damaged, or shrinking caulk but. Musky smell is normally a symptom of a moisture problem where it causes calcium. Recaulk over old ) as the minute he had finished gray stone tile and it was fresh prior to.. Was lighter in color thorough cleaning of the grout was installed correctly there should be. Remove, reinstall the stone and regrout re-grouting as you need to remove any on! Tile with grout stain caulk gun when you are careful it can give your a! Willing to have it corrected but am not sure how well grouted the tile and attempted purchase! This rest period, you can do for re-grouting as you might think i made the. ) grout you want appropriate method of cleaning the tile and attempted purchase. Completely clean by using a small electric grinder about moisture under the tiles not crumbling some... Reinstall with stainless steel hardware otherwise it will instead simply create a layer of grout begin! Water was added to the toilet, the old grout must be removed and tile. The exact same as the grout has dried, it is possible to put grout... Need regrouting – there are certain things you must be aware of before starting your project gives you the results! Has dried, my questions are [ 1 ] can the floor be! Be as clean as the minute he had finished then re-gout grout that will less...