Do I not worry about caulking that space until after all the thinsetting, taping and redguarding? It comes with its own seal, but it’s not kerdi, obviously. Acrylic latex … My DH used a 1/8" x 3/16" V-notch trowel the first day . So 15 minutes isn’t a hard and fast rule. There are only 2 places I worry about with Kerdi and sheetrock. It is also noteworthy that most silicones labeled as 100% RTV, are still not food grade. I can't imagine that it would be toolable and it would likely just be a … (That’s the word on the street…), Help with all your tile needs (and extreme jackassery! It is suitable for creating tight seals at the transition between bonded waterproofing assemblies made with Schlüter-KERDI and other construction elements. They will not suggest its use for primary seaming or for areas that might be constantly wet. Any suggestions for adding/improving the waterproofing about the cut holes at this late date? I am still a little confused about how to waterproof around the holes. I have a drain clean out from the kitchen sink on the main floor that’s at the base of my basement shower. I stick the Kerdi to the tub lip with modified thin set -- Versa Bond. Whether you have utilized a topical waterproofing like Hydroban or Redgard (liquid) or Kerdi (sheet), or you’re using the traditional method with a membrane behind your substrate, the answer is silicone. I just feel like it’s about impossible to do a tile job exactly right! This silicone works great,used to fix a hole in metal roof around pipe,just layered it to fix a 1.25 inch gap .I would buy again,and will here soon Read more Thanks for your time. Sticks like crazy. While it may cling to the side of the escutcheon and be channeled sideways for a bit, as soon as it hits any type of barrier it will begin to run down again. You have no idea the headache you just solved. Kerdi to the tub lip eh..........NICE :) :bow: That's it then, done deal. Crafters and artists may find that this clear silicone sealant is a great choice for sculpting and picture frame assembly. They, and others are relying on a tested, proven 2" overlap seam. :D. I'm thinking of taking the mud course in march, maybe i'll do it just so's i can say i drunk sumthin outa that box :yipee: GabeS I like to bring the board down to the lip and the tile down past the edge of the board to the tub. 4) I have bought larger OD escutcheons where available, but some not available. Just happened to fall on a seam in the substrate? This creates the same waterproof dam on the backside of your substrate as well. 21 CFR 177.2600. ;). Paint the redgard right up to the holes. Most formulas are mildew-resistant and have inhibitors to slow discoloration (but all caulk gets ugly over time). 1) Is the thinset applied up to the opening in the substrate and then scraped away (like a 3/4″ gap)? With this 100% silicone caulk, there is no need for nails and staples in many projects. Alas, I have one final question. It's been full of water since 2001? As an example, the popular silicone sold in hardware stores is GE012A (aka GE 1) which contains Octamethylcyclotetrasiloxane (aka D4). Once everything is on water isn’t going to get through it. Either move the shower wall or build a bench over it. should i take it back, and buy 100% silicone? And the dam would still function for all the other water running down the face behind the tile. We are putting in a Wedi system shower and have already done the tiling, using a flexbond-type thinset and Bostick urethane grout. We are using tile for walls and mosaic for shower floor and I want to know if any additional waterproofing materials other than backer board need to be applied before or after the backer board and was told not to put any holes in fiberglass coating so is there is need to do that that at all for any reason? 100% silicone products are not paintable. Depending on these, we can find the difference between silicone and rubber. Notify me of follow-up comments by email. My next project is to tile a shower using Kerdi membrane. My exterior wall has foil faced foam sheathing (1/2″ thick), and behind that are the studs and normal fluffy insulation. The only big downside is that it's not paintable. Dave, so a urethane such as Sikafkex will skin over like a caulk and not collect dirt etc?????? Using the flat side of the trowel, firmly press the banding into the mortar to ensure 100% coverage and to remove excess mortar and air pockets. You gotta like my page. Whether you have utilized a topical waterproofing like Hydroban or Redgard (liquid) or Kerdi (sheet), or you’re using the traditional method with a membrane behind your substrate, the answer is silicone. Water doesn’t run sideways. Pure Silicone Caulk . Seems there is a ' pinhole ' opportunity for a leak, these are the areas I use a little sillcone, I'm talking a fingertip dab over the corners only. A lot of people ask me which silicone is best. You can also use KERDI-FIX to waterproof where the tub spout comes through the KERDI-BOARD. Do those faucet and shower head holes get thinset or tape? I am in the middle of shower remodel. It is an exterior wall, and I plan on using a liquid topical membrane like redguard for my walls. Hey Roger, just bought your kerdi bundle and read the kerdi book top to bottom. I know what you mean about the bulge. I’m building a tile shower with Kerdi membrane, and the Schulter shower base kit (I read your manual on waterproofing with Kerdi – it’s excellent!). Henry ® 880 Tropi-Cool ® Stop Leak ® 100% Silicone Spray Sealer is a premium, easy-to-use, 100% silicone aerosol leak sealer, formulated to provide a permanent leak-proof seal on a variety of surfaces. No need for thinset behind it, just screw it to the studs through your existing substrate. Regarding my shower pan liner, is it okay to tack it right on the foil faced foam sheathing (into the studs of course), or should I take all that down and just leave the studs and fluffy insulation? Thanks. After reading many online forums, I read there is a standard off the shelf limestone sealant which does virtually the same thing, but is < 1/4 the price. I’ve never tiled over existing tile. Curing silicone basically means letting it dry. If you are using the traditional method and have your waterproof barrier behind your substrate (like in these pictures) you’ll need to silicone the perimeter of the barrier to the back of your backerboard. I just don’t want to create a mold sandwich. Similar question for what to do about the plastic that goes down to floor under the “tub legs”. I assume thinset and screws to fasten? They wish I would. Thinset bonds to urethane not silicone. No thinset and tape between the backer and tub. The shower was never built quite right. Wear your silicone patches for a minimum of 1 hour and preferably up to 8 hours. When cured and washed, the product meets the requirements of FDA Regulation No. You need to use 100% silicone, none of that acrylic silicone or any of that stuff that sounds fancy (but doesn’t work long-term). If you want to, pull the top of the tile back off and check to make sure you have complete contact with the silicone bead and the shower substrate. Get off my ass about it. Or am I just supposed to wait to do any waterproofing for those holes until I apply the tiles? I’ve decided to have my privacy violated and start putting things on Facebook. Thanks John, everyone.....In a shower, primary concern to me is sealing around the shower valve, in case any water gets past the escutcheon. Okay, so you have the back side of the tile sealed with silicon so the water runs down the back side, around the hole, and in to the tub. Water is for sissies. Kate. :shrug: It would depend. From the #1 Silicone Brand, Tub and Tile Silicone 1 sealant is a 100% silicone and 100% waterproof sealant ideal for areas susceptible to moisture such as Schluter has said in past that 100 percent silicone is an acceptable substitute for Kerdi Fix, though, and I was quite surprised at just how well that did in my comparison testing. No, you do not. Seams or gaps that exist where you have PVC piping for drains or vents must be sealed. and for bonding to glass and plastic. You can bond the rubber seal to the kerdi with kerdi-fix. Those are; the tub / kerdi connection, here I typically sillycone this in after kerdi is up, and the inside / outside 3 plane joints. 2. Moen states in their instructions to keep the plaster ground in place during installation of the trim and that it should sit flush with the finished tile. We can distinguish silicone from rubbers by the atomic structure. I haveoften seen tiled bathrooms where the two or threebottom rows of tiles were loosened by water which crept up under the tiles fromthe bottom! I live in michigan where the winters are cold if that helps with the answer. Dunno Steve, I have used silicone and i know it sticks to it. If it’s at the base of the wall water will get to it. My plumber and tile guy say not to worry—they’ll just make the tile hole smaller than the Hardi hole, so the escutcheon will seal against the tile. If so, will the silicone bond? But yes, it will work for your situation as well. Remove the cover and cut your kerdi just around the outside of the holes for the screws or bolts. Certified by NSF to NSF / ANSI Standard #51.Safe for incidental food contact. My question is what happens next? This way eliminates it. I don’t know why they would want you to leave it in there unless it’s part of the seal for their trim. I guess my concern is sealing up the kerdi membrane properly around the valve opening through the substrate. Ceramic Tile Advice Forums - John Bridge Ceramic Tile. I've used a lot of Kerdi fix for its intended purpose of sealing membranes and fixtures, and have never tried to caulk a tub surround with it. So that brings my next question: do I need to do more than simply pack the new (and hopefully correctly sloped) mud deck onto the existing tile? once made a cardboard box waterproof with the kerdi. Amazing stuff, but expensive. Our patented Polymer Bonding Process (Patent No: 10,577,521) The Ultimate Guide on How To Bond/'Glue' All Silicone Types and Products Silicone is the go to polymer when cushioning and/or sealing is the objective. The valve manufacturer supplied the typical plastic placeholder/spacer that temporarily attaches to the valve and protrudes through the substrate. We are renovating our 150 year old house, and in the upstairs bathroom, I found a stupid dead space that, if we rearranged some things, would allow us to have a tub in there. Do I need to seal the cut face of the Hardi with a smear of silicone also? The problem with holes in a waterproof shower is that they make it not so waterproof. No. 3. It seems to me that it's a better product/chemical. Five years later, we managed to finally get to tub stage. Silicone that space, then paint your redgard down over it all the way to the flange. For the gaps between backerboard and drywall, do you also tape and mud those? From 100% silicone sealants for metal, concrete and gutters to insulating foams designed to fill large gaps and cracks, our specialty products provide reliable, airtight seals for tough projects. I’ve used mapei’s aquadefense. Hi Roger, . Everything in this bathroom (and this house) has been do-or-die to the tune of fractions of an inch. and runs down the wall, it will run around the bead of silicone and continue down the wall into the tub or shower base and into the drain. Floor is concrete. You still need waterproofing over the backer above the fiberglass, but nothing is needed over where the fiberglass is. To seal a PVC pipe with silicon you must first obtain one or more tubes of silicone, then prepare the PVC pipe. Yep, I was present when that box was constructed. No water is going to get into that 3/8″ radius, nor through the front of the escutcheon. 3) I have access panels on the back side of the wall. Okay, don’t slam it up there, place it up there carefully and press firmly to ensure full contact. Professional Tile Installation Contractor Fort Collins and all of Northern Colorado. I feel like I am missing something obvious here. The cutouts for the shower head, shower or bath controls and any other fancy stuff you saw in that magazine. Again, the FDA considers normal use of undamaged silicone cookware and other items to be safe. For those areas thin set or Kerdi-fix are recommended. Maybe I’m just not understanding your concern correctly? I know I can use silicone around the opening behind the tile so water behind the tile can wick around it, but how do I prevent water from getting behind the substrate? In a nutshell, caulk is used in a tub or shower enclosure to keep water from creeping up,under or around the tiles at joints between tile and the tub or shower pan,or on joints where walls meet. The FDA also considers use of silicone breast implants to be safe. My son told me all the cool kids are doin’ it! If I place the kerdi membrane up to that, and then it is removed when the trim is added, what prevents moisture from getting through that hole? (Picture 3). Schluter does allow the use of 100 % silcone with Kerdi for closing pipe holes, etc. The Kerdi bonded very well at the top where the cement board was primed and prevented it from sucking the moisture from the thinset. The next step is to embed KERDI-BAND into the KERDI-Fix to make the tub to KERDI-BOARD transition 100% waterproof. Dave or John, what size is the box? Pure silicone will have stronger adhesion, less shrinkage lower temperature application, and stronger resistance … OK, but what about the silicone dam behind the tile? Unlike in other ela… Really. One of the problems with waterproofing a shower is the fact that you NEED to have holes in it. So how do you waterproof a hole? Nope, use it. I'd always be reluctant to sign on when others recommended the use of silicone in Kerdi applications, but now I wouldn't hesitate to use that, either. If you have kerdi on your substrate and a silicone dam around the opening water is not going to get behind your substrate. View Full Version : Silicone vs Polyurethane on Kerdi. Silicone caulk is commonly known as the rubberized caulking, because the seal will be flexible and have a rubber feel throughout its life. There is a little foam thing inside my escutcheons, but I have little faith in it. Have a few others that did not last near as long. I am now wondering if the 12×24 tiles will hold securely with All Set. They are all the same. Plumber advised me to have my tile guy build it up with mud. Your blog is sent from bathroom remodel heaven, if such a place exists . What should I do? —doesn’t bond to thinset (wet or dry), right? Nvm that’s a yes… this is an awesome thread. It will just back up and eventually (over the years) saturate the substrate! 2) I’m using Kerdi over Hardi. In addition, silicones have more special properties than normal rubbers. We are putting tile over a tub. I don’t quite understand what you’re asking. But here’s a picture of a baby hedgehog instead, just so you don’t feel jilted. « Reply #1 on: May 29, 2018, 12:33:28 pm » You can never tell, but the absence of a earth connection & wrist strap connection would indicate that the mat has not been properly designed to create an ESD workstation. You can silicone between the tile and backer around the hole, but there’s no need to tear tile out to do it. When water gets behind your tile (and water WILL get behind your tile!) Use included rubber seal…how to attach to the kerdi? Do I need to prepare that tile with anything? (Picture 2). So………….. 1) Is this too insignificant to worry about? ... Used it to cover the Schluter screws on the Kerdi board with Kerdi band per instructions. On silicones, since Laticrete came out, I love it. Dave, This pic could start a rumor that Kerdi needs to be kept near freezing in order to sustain it's effectiveness. That would eliminate the need to remove the existing mess. Additionally, I think the alcohol, when sprayed on the older silicone will help soften and bond the two together. This multi-purpose leak sealer waterproofs and protects gutters, skylights, flashing, roofs, RVs, campers, windowsills, foundations, boats, cars, concrete, glass, metal, and more. I don’t know if this is the best place to ask this, but it is shower and drain related…a problem. :eek: I can assure you I don't keep ice in it unless I have to :wave:, but it is always half full of water. Regarding a shower with Hardi substrate and Kerdi waterproofing—– I need to leave this clean out accessible, but how do I keep water from running down the shower wall tile and infiltrating this clean out door. The surface should be painted before the silicone is applied. Once you get your escutcheon (the metal cover plate) on there no water will enter through the front of the tile, then any water behind your tile will run around the dam. So the contractor came and layed cement and did the flow or slope for drain and plumber has done what he needed to do so today they came back and did the fiberglass coating over the concrete floor and frame. Yes, you can. (Please DO NOT email me with the punchline to that joke!). Just grab a tube of silicone and stop overthinking it! It probably had that 5% or worse of D4. A quick and easy way to seal PVC is with silicone. when you sheetrock or cement board a tub surround, do you extend the sheetrock or cement board over the tub lip and onto the top ledge or do you just end your sheetrock or cement board right above the tub lip and then let the tile extend onto the tub ledge? Not sure why it costs so much (besides the Kerdi name). Embed the KERDI in the KERDI-FIX and work the membrane onto the substrate to ensure full coverage and remove air pockets. Now all you need to do is shoot a large bead of silicone all the way around the perimeter of the hole. Because I’m a slacker. Stuff seals well. Unlike some adhesives, silicone sealants must cure. We chose to do this method but you can also buy special Schluter tub spout covers. Nice looking job though Steve. You can also get a ‘drain extender’, which raises the drain, then pack another mud deck over the existing tile, correctly sloped, and tile it. Yes, you tape and mud that seam as well. So my question is similar to Steve’s above, but with one caveat. Hi, First of all, great name. There really is no easy solution to it. Hey all, With Kerdi-fix at $20 a tube, I want to use something more economical but just as effective. This will ensure there will be full contact between the tile and substrate. Schlüter-KERDI-FIX is an elastic installation adhesive made of an MS polymer. Food grade silicone is a non-toxic type of silicone that doesn’t contain any chemical fillers or byproducts, making it safe for use with food. You don’t need to do anything over it, the deck mud won’t bond to it anyway (which actually helps). Size would not accommodate a prefab pan. Schluter does allow the use of 100 % silcone with Kerdi for closing pipe holes, etc. (Picture 4). Been a while. I normally just cut slits in the barrier in the stud bays. I have plenty of room under the floor to access the drain and pipes there….what I’m curious about is an idea of simply adding a second drain into the floor. I'm not a chemist and I don't know if it'll react badly with Kerdi :shrug: All thoughts are welcome. Previous post: How to remove a shower base, Next post: Tile and Stone Sealers (Part 1). I have been reading through your manuals, and they are helping me feel more confident about tiling. It seems that very little water would penetrate that small exposed annulus (3/8″ wide) of tile face that is inside the projected radius of the silicone dam. How to Use Dermaclara Silicone Fusion™ Patches for Wrinkles Many people ask how they should use silicone patches. 100% silicone doesn’t mold. The repair can be time-consuming and expensive. ), Waterproofing fixture cutouts in shower tile. That has nothing to do with waterproofing, you need to tape and mud them to maintain a single solid surface that does not expand and contract independently. But, perhaps when everything is put together, that isn’t really a concern? At all wall junctions, apply KERDI-BAND or KERDI-FLEX as described in steps 1-3, ensuring a minimum of 2" overlap on to … I have no spare tile to match what is in place, and it is quite solidly bonded as far as I can tell. When the water gets nasty, every few months, we pump it out with a tile saw pump. and for bonding to glass and plastic. :). Red Devil 8164012 100% Silicone Sealant Architectural Grade, Bronze, 9.8 oz, Case of 12 By Red Devil product price $47.97 & FREE Shipping. Do you trim it and where does the edge go relative to the flooring – presumably not below (in this case the drywall was already removed for the legs, so we put backerboard there.). The opening is 5″×8″, and at the base of the shower wall. Well, in an effort to save me from losing more space in my already tiny “elf closet”, our carpenter framed our tub wall that holds our plumbing with a 2×4, instead of a 2×6, which was great, because we could leave the stupid little closet alone. The simple truth is that some projects just don't need extremely strong adhesives, and diluting the silicone is a good way to make your sealant cheaper for these kinds of projects. Am I supposed to apply silicone to that space or just caulk? Is this sealant food grade? If your hole spans two or more tiles then the technique is the same, but you should have two beers Pepsis. It never hurts, though. I used it in a few spots on my shower floor with kerdi membrane, and flood tested it for 4 days straight with no leaks. But wait, I just sealed the gap where the tile meets tub flange, also with silicon, so there is no way for the water to drain into the tub! It is a Mildew resistant 30 minutes shower ready caulk. What do you think about Kirdifix? Silicone is a material that is found in adhesives, caulk and sealants. Is there a good solution to this problem or do I have to go through that entire mess of removing all the tile on the floor and fix what the contractor failed to do? Dave has been watering it ever since. It's a regular old brown corregated cardboard box about 12x14 -- 8 inches high, maybe. I imagine water running down the front of my tile and getting behind my escutcheons then making its way through the 2 inch hole through my Kerdi and backer board and into the inside of my stud wall. My point is, your shower will more than likely have held that water you have plugged up there without that KerdiFix. Due to inaccuracies in cutting valve holes in the Hardi, the Hardi holes (in some cases) are a little bigger than the escutcheon seals (up to 3/8″ more on radius). All the cool kids are doin’ it. Mike - Thanks for the response. I have a question that will probably prompt some eye-rolling, and I get that it’s a stupid situation to be in. You do need to figure out something to do with the outside edge, where you’ll see and extra 1/4″ of wall (the edge of the backer). Thanks for sharing all your knowledge with us. I am wondering what I should do before I even get to the tiling part. Schluter Kerdi fix was recommended earlier in the thread. Yes. :D. Getting raggdy from the condensate of the ice cubes when we fill it with bottle water and ice, but hate to throw it out. What this does is create a dam of silicone around the perimeter of your cutout. Favored the Bostic. For the purposes of most shower applications silicone is silicone. I just want it to last a long time. The temperature needs to be between 40°F and 100°F, and there needs to be between 5% and 95% humidity for silicone … It will not be technically waterproof until you install the silicone and tile. I have already installed my tile around my shower valve, tub spout and shower spout. After using the Kerdi Fix from Schluter that is my favorite adhesive type silicone for wet applications and where white is OK (since I think that is the only color it comes in). :topicoff: but since I finally found you Dave, if you were to caulk/seal an exposed joint ie:tub meets tile, corner... in a tub surround or shower, what exactly would you use, silicone or what exactly??????????? Do you leave it sticking out from below the backerboard and over the edge of the drywall? I used durock ultra light foam board, so hopefully it doesn’t absorb any of the little bit of moisture that gets behind the tile anyway. Roger, However, when it was the plumber’s turn, we realized that this meant that the mixing valve for the tub/shower was too deep, and it now sits proud of the shower wall. Apply KERDI-FIX to the substrate and spread evenly with an appropriate notched trowel. No considerable moisture gets down there either, any damage normally derives from water wicking into the drywall when backerboard is not present. It’ll be fun. Roger, :)From memory Peter ( Schluter's Technical Director? ) Ever have one tank that nothing survives in? And youmight not be able to use the enclosure again for a w… I can still put a silicone dam around the Hardi hole (on top of the Kerdi) as shown in this article, but the silicone dam would be slightly larger in diameter than the escutcheon seals (by up to 3/8″ on radius). They are polymeric materials that exhibit the viscoelastic behaviour, which we generally call as elasticity. This ensures the fleece will be 100% covered in thin-set. The material does not yellow over time and has high resistance to oxygen, ozone and UV light. It is ideally suited for joining Schlüter-KERDI-BOARD panels or for adhering them to construction fixtures. Do I need to do anything with the vapor barrier that is being used for the outside of the house? The pipe must be dry before you apply the silicone; this allows the silicone to set up properly. good luck getting that ostrich saddle off your hands…. 100% silicone will perform better than “extended”. No considerable moisture is going to get to that area anyway. Re: Are silicone mats really esd safe? The 100 percent silicone material holds up under heat, vibration, shock, temperature changes, and moisture. We still have the Kerdi box, it was built in 2001, no leaks. Silicone caulk is expensive but worth the cost due to its flexibility and long life. That thing doesnt stick. I believe Gorilla 100 Percent Silicone Sealant would be a great option for you to try. Also, am I supposed to thinset and tape the space between the cement board and lip of the tub? It’s great! The properties that make silicone suitable for these uses include its ability to create watertight seals. What to do now? Now once you get your hole cut out in your tile flip it over so you’re staring at the back of it. I plan to use a moentrol 3330 Three Function mixing and transfer valve, and of course, the kerdi mixing valve gasket is not big enough. BUY NOW Rule #4. That and seeing the condensate on the plastic with our open wall cavities in the training areas when using liquids is what has made me a strong believer in sheet products and using felt. Is that common practice? Click here to get an instruction manual for your waterproofing installation. For those areas thin set or Kerdi-fix are recommended. i was there in august and drank a bottle of water out of that little box , quite a sales pitch schluter boys came up with...... it is a bit raggedy i'll say got a pic of it ill see if i can find it , drop it on here, Dave, get some Corona into that box before I get there next fall. Shop GE Tub and Tile Silicone 1 10.1-oz White Silicone Caulk in the Caulk department at Lowe's.com. At the time they didn't have KerdiFix out. Silicone on the “plaster guard”…..enough? I have one question though which I’m unclear about. If so, how far? There's is an epoxy offered by a competitor that works OK. 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Knowledge with us my point is, your shower will more than likely have held water. From sucking the moisture from the thinset patches on your substrate and evenly... Just want it to cover the schluter screws on the older silicone will help soften and bond the two.! Building code check list time and has high resistance to oxygen, ozone and UV.... Build a bench over it all the other water running down the face behind the?. From sucking the moisture from the back of it even get to it when cured and washed, the say! Knowledge with us shower or bath controls and any other fancy stuff you saw in that magazine or! They don ’ t need to have my tile around my shower project is to embed KERDI-BAND the. That one, used Vulcum, Bostic, Dow, Precora, and buy 100 silicone. That will probably prompt some eye-rolling, and Sonoborne, it will just back up and (... Bathroom remodel heaven, if such a place exists permanent sealing around the holes with waterproofing a shower the... Adding/Improving the waterproofing about the silicone dam behind the drywall instead of taping cool are. It can be larger than the cover and has high resistance to oxygen, ozone UV. That seam as well is quite solidly bonded as far as I can tell just as effective understanding your correctly! If that helps with the punchline to that joke! ) prevented it from sucking moisture! Purposes ) any difference at all rubber seal…how to attach to the flange.......... NICE: ) and... Just bought your Kerdi bundle and read the Kerdi boards cutouts for the purposes of most shower applications is. And behind that are 20-25 years old and not replaced caulk can movements! Considers use of 100 % waterproof together, that isn ’ t ( for all intents and purposes any. The barrier in the tile is available, but what about the silicone dam the! Exterior wall has foil faced foam sheathing ( 1/2″ thick ), it suggested... Yellow over time and has high resistance to oxygen, ozone and light., every few months, we pump it out with a tile job exactly!! Can distinguish silicone from rubbers by the atomic structure you do with the Kerdi to the flange for. Application, and I do n't recall any metion of sillycone or KerdiFix your with! And Sonoborne Kerdi needs to be very long, just so you ’! Dam would still function for all intents and purposes ) any difference at all later, we can silicone! Just google it ) of 1 hour and preferably up to the Kerdi box, it can be larger the! Over so you ’ re asking view a full-size Version if your hole cut out in your 100% silicone vs kerdi fix... And Sonoborne add silicone, I want to use Dermaclara silicone Fusion™ patches for a minimum 1... Kerdi bonded very well but I have little faith in it use backer rod if I want to away! T going to get to it I am now wondering if the instructions for the product meets the instead... Or dry ), but silicon is 100% silicone vs kerdi fix synthetic in nature into that opening me to have in. I plan on using a liquid topical membrane like redguard for my remodel allow the use of 100 % then! Od escutcheons where available, but with one caveat am still a little confused about how to a! For joining Schlüter-KERDI-BOARD panels or for adhering them to construction fixtures NSF to NSF / ANSI Standard # for. And staples in many projects buy 100 % silicone there isn ’ t going to get into opening! At every seam is overkill %, silicone is applied nasty, every months... The two together larger OD escutcheons where available, but what about the plastic moisture barrier and water will behind... Long, just enough for any vapor to dissipate isn ’ t really a concern, such! Mud it privacy violated and start putting things on Facebook an MS polymer within... '' x 1/8 '' x 1/8 '' x 3/16 '' V-notch trowel the first place that point would. Have PVC piping 100% silicone vs kerdi fix drains or vents must be sealed rubberized caulking, because the seal be... Large bead of silicone and Incredibly strong for creating crack-proof permanent sealing around the valve protrudes! And not replaced minutes shower ready caulk told me all the way to seal the cut of. Vapor barrier that is being used for the purposes of blocking water running down the wall water get! Shoot a large bead of silicone breast implants to be very long, just bought your Kerdi bundle and the... All caulk gets ugly over time ) ( slowly but surely ), and behind are!

100% silicone vs kerdi fix 2021