No, you’ll need to tape and mud it, then use redgard over that. I saw your site too late. Declares that whomever is building the shower does not have confidence in their ability to waterproof a shower using a proven method. I also use these products for main or additional waterproofing on things like shower niches and concrete wall in basements, places where it is difficult to have a plastic vapor membrane behind the backerboards. Also, can the same thinset be used for floor tile in the same bathroom? I have done em like you described and had no problems whatsoever. No. —Michal Mroczko is a tile contractor in Atlanta, GA who The gap is greater than 1/4” in some areas and is too big for caulk. DuraRock is up and seams are all taped and have thinset on them. I just skimmed over the screw heads with thinset and red guard over everything. Am I probably fine for an infrequently used shower in a basement bathroom? Now, let it dry and it's ready to be tiled. I wanted to avoid setting a very thin hex mosaic tile … Why would you need to tape that edge at the tub flange? Using a pre-fab type of flooring system with drain and correct pitch already built into the floor make that part easy. Paint will not bond to it in my experience. What type of Primer do you suggest to paint over the RedGard with before applying Joint compound? The only one that has specific requirements is schluter. And then apply new ceramic tile with thin set?? Nearly any of the powdered adhesives (thinset or mortar) will work fine over redgard, if it’s mastic or another pre-mixed type of adhesive it can not be used over redgard. Unmodified or modified thinset over Redgard in shower walls and ceiling? What are the acceptable methods to waterproofing the redi niche and Durock edges (basically around the niche)? I’ve decided to have my privacy violated and start putting things on Facebook. The Redgard is created to prevent cracks that could ultimately damage your tile or stone installation, as well as make the wall behind the tile waterproof. Or, should we only RedGard where we think we are going to have tile, and then use joint compound on the DuraRock to smooth it out a bit before painting? You should be used to it after a few minutes. Anyways, this is not a typical question regarding tile work or anything related to tile although it is a question about redgard. Use the Manage Attachments feature below the Reply dialog box. Is there a solvent other than gasoline or acetone that I should use before I attempt to peel the redguard off? You may be creating a hell of a lot more issues than you want. Yes, you can run the tape from the backer to the tub and redgard. Water proofing is a relatively new concept for shower walls. Install the tile work onto the membrane but do not bridge the joint. I'm not sure it is designed for direct placement on the pan for tile. Two proper coats will give you a continuous topical membrane. You need a full coating for the product to be effective. After all the corners are coated I use a paint roller and pan to cover the walls. It is imperative that you do not install plastic behind your walls since this would create two waterproof membranes with your substrate between them. Secondly, it depends on which particular flex tile product you have. Then set tiles 1/8” above tub shoulder. We are tiling our 3 shower walls. Why does Redguard Fail? But, what then what do we cover the redgard with in the non-tiled area? And because every shower design is different we offer a variety of entrances as well: single curb, double curb, triple curb, or barrier free. And i was wondering if redgard can be saved if seal tight for future jobs, Thanks. The versatility of these products make them a integral part of my shower waterproofing toolbox. Apply a minimum 3/64" (1.2 mm) of RedGard over the joint and substrate following the instructions detailed in APPLICATION. Using 12×12 tile. There’s no information on the possible application I may use it for on the bucket or online. I’m using Durock, Redgard, and a Redi Niche. Those big triangular holes in the mud job I filled in with plaster. you should not be using green board to tile onto. The Tile shop guys said to put Redguard over the cracks and then a thick layer of thinset to raise the tiles flush with the surrounding wood floors. Any information would be helpful and appreciated. Reduces crack transmission in ceramic tile or stone floors. Does anyone have experience installing vinyl glue-down tile over Redguard? I’ve read where a lot of people fill the gap between the backer board and tub flanage with silicone and some people fill this area with thinset. Killz is the most readily available, but any drywall or paint primer will work fine. Thanks in advance! Can I redgard a shower pan and curb if they have a PVC membrane under it? I will refer to all the membranes as Once that is up on the walls, you simply tile over it. I think your overthinking it.what are they overthiking ? That’s it – go have an adult beverage until it dries. I would tile the floor leaving a grout joint against the drain and then screw the drain down until it is even with the tiles. Yes, you can also fill it with silicone – it will work, it’s just not the best solution. Margaret, please keep all your project questions on this thread. The reason that I don’t recommend the mesh tape with step one (silicone) is that the silicone will act as a bond breaker to thinset if it’s smeared over the surface. The brand we have is flextile. It’s time to finish the shower. (That’s the word on the street…), Help with all your tile needs (and extreme jackassery!). Seems there’s pros and cons to both. If that doesn't work, you can always pick at it for a while. I followed instructions, but somehow we must of missed a step because everything cracked and water would have poured right through. The better option is to mix redgard with 2 parts water, 1 part redgard and use that as your first coat. How thick should redgard be applied on a shower wall? Redi Base ® one-piece, leakproof shower pans come in over 100 standard models with a variety of sizes and drain locations. This is more of a cosmetic application question as opposed to applying redgard on a tile substrate. About 35-40 mils thick, about the thickness of a credit card. Any of them work. So we bought some…and I understand how to apply it, however I’m just worried the tile glue we have won’t stick to it. If my gap was around 1/8”, it would be easy to fill with silicone. Yes, since you already have it there just sand it down and apply redgard over it. Elastomeric or liquid waterproofing membranes are one of the most convenient methods of waterproofing shower walls before installing tile. We are not sure where the tiles will stop (somewhere around 12-16 inches from ceiling), but will gauge as we get near to top and are able to use a full tile at the top and also judge by what looks pleasing to the eye. You can browse through the many Tile Redi choices here. These products shrink a bit as they dry so you must make sure that it has not shrunk enough to create holes or voids in places such as corners and seams. I’ve tiled probably well over 1000 showers in my 20+ years of setting tile directly over backer board and to my knowledge never had a problem. Repair of 3 rows of tile at bottom of shower wall and floor. Roger, I have black mastic residue from pulling up linoleum. Can redguard be used on fiberglass shower walls? I would use tape and mud, let that cure then redgard over everything. For the shower floor, just spread thinset on the floor with a 1/4x1/4 notch, hard to spread the backs of the tiles. We have covered our shower with Redgard and now want to install white glass tile. You gotta like my page. LevelLite 30 lb. Left a nice small gap for caulk. Can redgard be painted and if so what kind of paint will stick. No, you absolutely CAN NOT use tile adhesive (mastic) over the redgard – it will never fully cure. I wouldn't do that. Now that I've gotten to the tiling stage for my shower (after my redguard mistake) I want to make sure I'm using the correct thinset and grout for my tumbled travertine. vBulletin® v3.7.4, Copyright ©2000-2020, Jelsoft Enterprises Ltd. When I'm done I'll post a picture to make sure I got enough of it out. If you are just tiling around your tub or pre-formed shower base you can find that manual here: Liquid Topical Waterproofing Membranes for Shower Walls. Previous post: Installing Cement Backerboard for Tile in a Shower. I now have manuals describing the complete process for you from bare wall studs all the way up to a completely waterproof shower substrate for your tile. Also, can Silicone be used (with sufficient drying time) in corners before applying redgard? First let me start by saying that I really appreciate the way you explain how to do proper tile work in just about every possible situation that is involved in the process.Very detail oriented with no bs. If that is what you have going on, a wall tile installation, then that is okay. Your tile can then be installed directly onto your walls over the membrane with a proper thinset mortar. Really. Double-check...if this is true, there is a preslope, Redgard, then the final setting bed, then the thinset and tile. Or, to meet the requirements of ANSI A118.12, apply two thicker coats of RedGard. Any help is much appreciated! Redgard has an open shelf life of about one year. I was planning on taping this gap and using regard on top of the tape (a couple of coats). Location: USA MI. The easiest way I have found to install Redgard is, after the walls are prepped properly, start with a paint brush and thoroughly coat all the corners and angles. Unless you have a steam shower or something similar, two coats would probably be enough. From what I have read, the premixed thinset does not dry out to form a good adhesive bond when applied over/under a non-permeable membrane like Redguard or the Kerdi-band products. Ideally, it’s best to apply Redgard directly onto concrete or cement backing. Elastomeric or liquid waterproofing membranes are one of the most convenient methods of waterproofing shower walls before installing tile. It will create a damp layer (mud bed) between two waterproof layers (liner and redgard) and it will grow mold. Check the respective website for your particular product. What type of thinset and grout should I use for the travertine? Before applying Redgard, would you recommend taping/thinsetting the seams where the niche meets the CBU? Take half of a one gallon pail of RedGard and spread it over 25 square feet for the first coat. Because I’m using Redgard, can I use mesh tape and thin-set over the seams and then paint on the redgard… Off to tape…, Hi, I am attempting to install 3×6 Subway tiles in the bathroom and tub surround over an old mud job, the old mud job and lathe seem very solid. What I meant was tape the gap with mesh tape from the bottom of the backer board down to the top part of the tub flange and regard over the mesh tape with a couple of coats. You can use any good modified thinset over redgard. I have almost an inch gap between Saltillo and the wall where custom building products commercial silicone has stood up for almost 5 years. Thinset? When it comes to waterproofing and crack isolation in tile assemblies, trust the RedGard brand from Custom Building Products. These products can also be used as waterproofing on your shower pans in leiu of a regular pan membrane. I do have a vapor barrier behind the CBU. Then, take the remaining half gallon and apply it as a second coat. Ideally, the product is made so that you do not ever see the final product behind your brand new substrate. I have a existing tile shower. Primer and paint? You can find it at any of the big box or hardware stores in different sizes. Please help! My son told me all the cool kids are doin’ it! For larger showers you can also get a 3.5 gallon bucket. Creates more problems that did not exist and 2. The instructions say to fill the gap with 100% silicone, but I can’t find any info on the CBP website about applying Redgard over silicone. In other words, on the floor (as opposed to the walls), I'm not sure if it is intended to be tiled over directly. The only drawback for these products, if you choose to look at it that way, would be the price. Posts: 6,480 Received 361 Votes on 337 Posts The only system that can be used over drywall is Ditra and Prova membrane. Make sure to check the website for your product, they have a load of information for them. Mind you the application I’m inquiring about will not be exposed to any water whatsoever, but it will be exposed to the sun and temperature. I think your overthinking it. I have not yet tiled, but just saw that this extra waterproofing could cause me problems. If it’s too large to fill with caulk it’s too large to fill with redgard. Basically any place that does not have waterproofing between the tile and shower framing. They could use the RedGard using the "divot method" around the drain. I think I'm ready to tile but I have a couple questions before I start. Fill the divot with mud. I am using tumbled travertine 1" x1" mosaic for the floor and 8" x 20" for the walls. My dilemma is that the gap is too big in some areas (1/4”). I have 2 quick questions… 1. Then a scraping I will go- finally have a chance to get at it tonight. I’m afraid the pores of the concrete are filled in with this mastic so scraping it off is just leaving a slick surface. When these products set they will create a rubber-like coating on your walls that is waterproof. Do I need to rip it out- how about using a blade and trying to get underneath and peel it off? If you are using a roller Custom (the company that makes redgard) recommends that you roll on the first coat horizontally and the second coat vertically to ensure full coverage. I’m hearing stories about certain Mortar or thinset That you must use with redgard , Is this true. These materials can be installed with a regular paint brush, paint roller, trowel, or even sprayed on. Should I sand off the Redgard? They are applied to your shower walls then tile is installed directly onto it. Having two barriers this close together leaves open the chance of trapping moisture between them with no way for it to evaporate. I do know you can do this with Redgard, Aquadefense, and Hydroban. The membranes are more the consistancy of pudding than paint so don’t be afraid to scoop it out to spread it. You should be fine since it is seldomly used and you only put a thin layer of redgard on it. Once the floor is done you then tile the floor first then work up the walls. Can I Red Guard a ceramic tile wall. I just want to do the right thing. "And it won't leak—if you do it correctly." Install the tile work onto the membrane, but do not bridge the joint. But since it sounds like you are putting RedGard down, I'm going with the assumption the RedGard is going over a concrete slab floor. I normally use three coats. I don’t know if it’s any help but some good quality silicone caulking should easily fill 1/4”. However, due to the potential for inadequate seals, don’t use this product over top of plastic and avoid those plastic barriers commonly used when installing tile … These membranes consist of products such as Custom Building Products’ Redgard and Laticrete’s Hydrobarrier and Hydroban and Mapei’s Aquadefense. We have DuraRock from the shower pan all the way to the 9 foot ceiling. I assume that using some sort of modified thinset is the answer, but which brand? That is a five foot back wall with two 3 foot side walls. Hi Roger, Waterproofing membrane is added over the tape. Then tile over the RedGard. Or what can be used on fiberglass shower walls, I do not want to tear the fiberglass shower out, I just want to upgrade it! 1-1.5 hours . Hello, Click Above to have professional TileTips sent directly to your inbox. Unless you meant ‘can I tape the gap and use redgard over it’, in which case the answer is yes. First of all – ‘water-resisant drywall’? My concern is having a nice flat smooth wall that looks nice when it is painted. Hello, we are tiling our shower. Redgard will work, but a primer made for self-leveling cement works as well, and is much less expensive. Use powdered thinset that you mix with water. What are my best options? Can I use a ceramic tile adhesive over the red guard. Okay......now I'm really confused. If there is water or moisture behind that existing substrate you’ll be sealing it up – that ALWAYS creates issues. Your best bet would be to call armstrong's technical services dept. Original review: Aug. 12, 2020. Ceramic Tile Advice Forums - John Bridge Ceramic Tile. Just thoroughly coat the entire inside of your shower until the whole thing is bright pink – enough so it can be seen from space. My question is about the RedGard. I wouldn't have put it all over the shower floor. It’s up to you. I would much rather use modified because it is easier to work with, and in my opinion sticks better, but I am being told you shouldn’t use it in a shower because moisture breaks down the polymers in the modified thinset over time. Looking for a rec for the best thinset to use in over Redgard waterproofer on a bath surround install. Greatly appreciate the response. I'd try gasoline or acetone. Thanks- my picture is what the shower looks like after scraping as much redguard off the pan (and skin off my knuckles) as I could, I left the corners and curb- is this what I was supposed to do? Also, I believe modified takes longer to cure and requires aeration, and with Redgard being an impervious layer I feel will not allow it to aerate properly to cure. It will bond to pvc and most hard plastics. This seals the pores of the backer and doesn’t allow it to suck moisture from the layers of redgard as it normally would. Notify me of follow-up comments by email. But will unmodified thinset be weaker and not properly hold the tile over time, especially on the ceiling. Just installed Durock on my shower walls, Taped and muddied joints. In an effort to make a new basement shower extra waterproof, I put up 6mil vapor barrier on the studs, 1/4 inch hardiebacker on that, and then one thin coat of Redgard on that. If you are tiling your floor and walls and using a liquid membrane you can find that one here: Liquid Topical Waterproofing Membranes for Floors and Walls. View Full Version : Redguard mistake on shower pan. Laticrete’s Hydroban, for instance, goes on light green and dries forest green. Joint compound? If you laid a 12" tile over redgard and assume the redgard is essentially not moving any moisture and neither is the tile, the center middle of that tile's moisture has to now dry through 6" to get to the side of the tile. You can either stop the redgard at 2″ above the shower head (no water is going to get to it above that), or you can use a primer over the redgard, wall mud (joint compound), then paint. #3 01-15-20, 05:29 AM Marq1. When used on shower walls it is a (relatively) quick, effective water barrier for your installation. Now I am reading this is a big mistake as it creates the moisture "sandwich" and will cause mold in a couple weeks/months. You can post photos stored on your computer at any time, Margaret. Pack grout around the drain real well. I’m open for suggestions! Apply a minimum 3/64" (1.2 mm) of RedGard® over the joint and the substrate, following the instructions provided previously. Tile Redi is the most well-known manufacturer of tile-ready shower pans, and most of what they offer is available for purchase on Amazon. Above the tile will just be painted wall. Tile-Redi, a leading manufacturer of tile-over pans offers a wide range of shower pans that are ready for tile, including curb and curbless models as well as special features, such as infinity drains, tile-over drains, and shower seats. Click here to get an instruction manual for your waterproofing installation. Substrate is 1/2" hardibacker and tile will be a standard white subway with grey grout. Is is densshield or purple-board (or something else)? I don’t have that luxury at this point! The other membranes are similar. Hi Larry, I am going to install a redi tile shower pan my question is should I apply red guard to the shower pan before I apply the Redi Poxy epoxy adhesive when I lay the tile. I need to tile this floor so could I Redgard the mastic residue so my tiles thin set will have a bondable surface? Therefore, the material you place the Redgard putty on is important. Professional Tile Installation Contractor Fort Collins and all of Northern Colorado. Any recommended brands or types? I thought maybe the tape and redgard coupled together could fill the gap. Their product choices include a wide range of sizes, curb widths, drain type/shape/locations, with/without bench, and shape choices (rectangle, neo, etc.). Or can I somehow remove the Redguard?? If their is any gaps after using red guard on new cement board on 3 rows of tile can you use flex seal over the gaps? So do I have to rip out the pan and start over? STANDING water is the problem, water cannot stand on vertical walls. Paint? Which particular product (brand name). Hereof, how long does RedGard need to dry before tiling? Everything looked as described in other threads I have read on here. I've had too many experiences with customers telling me about the very slow drying time with pre-mixed tile … there’s no guarantee it will not take and keep moisture, and may likely fail into a soggy mess. Can I just sand this down and apply Red Guard. I had a contractor put in shower pan. You can get a gallon of Redgard online for about $45.00 plus shipping. Join Date: Sep 2016. I always have Redgard with me. kylenelson, Mar 25, 2013 #2. No silicone around the drain then- thanks. Yes, you can, but why would you? Redgard will not bond to silicone. Additionally, can you use premixed thinset over redguard? So here it is : Will redgard stick to pvc and other hard plastics? Water damage prevention is active from both sides of the RedGard membrane. Member. Using RedGard under floor and wall tile will create a barrier that will be undisturbed after the tile is installed and grouted. Just need a bit more info to be able to help. That should be enough to do a regular tub surround. Ready to apply RedGard For my sealer, My question is. Greatly appreciate the help- you guys are the best! Awesome. I thought Redguard was … Yes, you can use silicone first if you want. He did the pre-slope, curb, liner, & mud. tape over joint. 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