You can't use modified thinset on top of the Ditra because modified needs air to dry. Not sure if enough force was used to get a solid layer of thinset into the Ditra Heat mat so there was not any voids/air spaces under the tile. To test if the thinset is still viable to use, test it with your finger. They show demo's on trying to separate this stuff during the class and there is just nothing to worry about. It is important to use a very good quality polymer modified thinset to install the ditra on the sub floor. It can be installed over a variety of should be fine, ditra mats require modified mortar under the mats when going over wood subfloor with a 1/4 x 1/4 inch trowel, unmodified on top. Before you can decide between modified or unmodified thinset, you need to ensure that you understand their strengths and weaknesses Ditra-set is priced right. Again, I've tiled over Ditra with modified thinsets, but I'd not recommend doing that with large format. Not so fast! Schluter ALL-SET Thinset is a specialized modified thin-set mortar engineered for use both under and over all DITRA and KERDI products. on porcelain i would burn the thinset onto … I would like to lay them with a 1/8 joint or even smaller if I can. White modified thin-set mortar Meets ANSI A118.4T, ANSI A118.11 and ANSI A118.15T Engineered for use under and over all Ditra and Kerdi products Sag-resistant, smooth and creamy Easy to handle and spread Suitable for use In general, we don't recommend the use of modified thin-set mortar to set Which thinset to use with porcelain tile? Use Bostik Ditra-Set to install the membranes over substrates approved by Schluter-Systems and to set ceramic, porcelain, and stone tile over Schluter-DITRA and Schluter-KERDI. How do you remove the glass from a lamona oven door? As Jason described, thinset itself isn't waterproof. Asked By: Miroslaw Gschwendtberger | Last Updated: 28th February, 2020, All portland based cementious products will allow water to pass through. The latex modified is more resistant due to the latex that is mixed in with the adhesive but that doesn;t make it "waterproof". My understanding for the unmodified thinset on top of the ditra is that modified needs air to dry and sandwiched between ditra and tile there is not enough air. Is one better … Is one better … i think most tile guys would use modified but either one would work. What's the difference between Koolaburra by UGG and UGG? Portland cement-based unmodified thin-set mortars are dependent on the presence of moisture for hydration in order to gain strength. I have enough rectified edge 20x20 porcelain tile and ditra left over from a job to tile my family room and I would like to do the job myself. The answer might surprise you. Only make enough thinset that you can use within 20-30 minutes. Ditra is impervious, and such large porcelain tiles are essentially impervious, so no air can get through with the tiles on top and the Ditra on the You need a site visit from a rep. You need to know the framers home address and name of the subfloor and walls. I started this endeavor with tiling my basement bathroom, just in case I screwed it up it would not put anyone out. When sandwiched between two impervious layers such as DITRA and porcelain tile, drying takes place very slowly through the open grout joints. Can you use modified thin-set over top of Kerdi and Ditra. Can I use modified thinset over Ditra? Can you use unmodified thinset on … How much transmission fluid does a 2013 Honda Civic take? Since DITRA is impervious, it does not deprive the mortar of its moisture. joist spacing. Over the ditra, under the tile, yes, kerabond is correct. Not finding what thin set to use between Ditra and Hardiebacker. [According to the TCNA Handbook for Ceramic, Glass, and Stone Tile Installation, this drying period can fluctuate from 14 days to over 60 days, depending on the geographic location, the climatic conditions, and whether the installation is interior or exterior]. Consequently, can you use Ditra over cement board? schluter is making there own mortar now btw, it allows you to use modified thru out. After reading the opinions from the pros on this forum, I plan to return that junk, but am left with the need for a good, high quality thinset. Dampen the … DITRA is approved for use with ceramic, porcelain, and natural stone tile. DITRA has been out for a long time and most professionals use it because it will prevent tile from cracking, it will be easier to install, and it will lessen the height between your tile adjacent flooring. In general, we don't recommend the use of modified thin-set mortar to set tile over the membranes because these mortars must air dry to cure properly. DITRA or DITRA-XL interior dry or wet areas uncoupling membrane Schluter ALL-SET®, Schluter FAST-SET®, or modified thin-set mortar Single layer of plywood or OSB Joists, I … For example, if a shower is used before The type of thin-set mortar used to install DITRA depends on the substrate material. Since DITRA is impervious, it does not deprive the mortar of its moisture. I don’t believe One tilesetter friend of mine says modified thinset works So in your case Primarily because cement board is heavy, adds height to your tile installation, and needs to be waterproofed. I know Schluter wants unmodified between tile and Ditra, but what under Ditra to Hardiebacker? Does Bunn make a programmable coffee maker? The Custom Marble Granite Mortar I believe is a polymer modified thin-set. Please consult your stone supplier and Schluter-Systems for more information. In general, we don't recommend the use of modified thin-set mortar to set tile over the membranes because these mortars must air dry to cure properly. For larger tiles 12×12 or larger should use a 1/4″ sq. The latex, Dry-Set Mortars. Floor Tile Mortar is a dry-set (non-polymer-enriched or “. Is fortified Thinset the same as modified? You need to use thinset mortar to bond the underside of the ditra to the concrete. When it comes to thinset, choosing between modified or unmodified thinset can leave many tile installers scratching their heads. If the thinset sticks to your finger, it should still stick to Since DITRA is impervious, it does not deprive the mortar of its moisture. What type of thin-set mortar should I use when installing Schluter-DITRA? The latex also allows a bit more flex in the tile and substrate. Thinset Decoded: Which is the best thinset to use for Ditra, Kerdi, porcelain tile, floors, large tile, wood look tile, and showers. The only time I use modified thinset is when applying over plywood and with the higher quality Ditra set available now, I don't bother. Modified or not??? Angie Hello, I’d like to know if i lay my Ditra down, do I need to lay my Tiles soon after or can I wait and walk on it for a couple weeks? Ardex and Schluter work together as a team in Europe and now The ditra handbook says to use unmodified thinset to bond the tile to the ditra because it chemically cures. A quality unmodified thinset should be used and mixed with a latex additive. All of the Schluter-Systems thin-set mortars, modified varieties can be used to set tile over This is even more important to consider in exterior applications that are exposed to rain, as there is the additional concern of latex leaching. I would like to lay them with a 1/8 joint or even smaller if I can. Can I use modified thinset under Ditra? thin-set mortar DITRA or DITRA-XL interior dry or wet areas uncoupling membrane Schluter ALL-SET®, Schluter FAST-SET®, or modified thin-set mortar Single layer of plywood or OSB Joists, I-joists, or trusses 16" (406 mm) o.c. The thinset won't dry. Therefore, extended cure times would be required before grouting if using modified thin-set mortars between DITRA and ceramic tile, including porcelain tile. You must get written permission from Schluter's head office for any modified thin-set use. Surface Preparation All surfaces must be structurally sound, clean, free of dust, dirt, oil, grease, water, curing compounds, sealers, waxes or any contaminants that may inhibit proper bond. IME. I have Un-modified for the Tile to Ditra, but I may need special for the large Porcelain tiles? Obviously, modified thinset is the better option, and all this debate is useless. The only way you can use modified thin-set is with products from Ardex. Prim-grip is a fabulous product). Once you use a modified you have left any of Schuter's printed recommendations so any modified thin-set is a deal breaker. Schluter-Systems requires the use of Schluter SET™ , ALL-SET™ , FAST-SET™, or an unmodified thin-set mortar meeting the requirements of ANSI A118.1 to install ceramic. Modified thinset mortars aren't recommended for use with Kerdi because they must dry out to gain strength, whereas the membrane inhibits drying, which can lead to unpredictable results. This allows the cement to properly hydrate, resulting in a strong, dense bond coat. Find the website that's made specifically for you. Does Hermione die in Harry Potter and the cursed child? In general, we don't recommend the use of modified thin-set mortar to set tile over the membranes because these mortars must air dry to cure properly. Because Ditra is waterproof and vapor proof, and tile, especially larger tile porcelain tile, will trap that moisture in. Also question is, can you mix modified and unmodified thinset? What cars have the most expensive catalytic converters? Use Thinset With a Higher Latex Content Higher latex content is essential for bonding to plywood. Ditra is impervious, and such large porcelain tiles are essentially impervious, so no air can get through with the tiles on top and the Ditra on the bottom. Check out the video for those details. Since most tiles these days are porcelain, The humidity, temperature and air flow in a room affect, It is impervious to water, so it does not need any special latex additives, as does some. On top of Ditra, you would use unmodified thinset to install your tile. All portland based cementious products will allow water to pass through. It costs about the same as the VersaBond® I use for a lot of applications. This allows the cement to properly hydrate, resulting in a strong, dense bond coat. We used a 5 inch wide KERDI-BAND because if it’s centered, your base molding will hide it. However, the unmodified thinset needs to be used between the membrane and the tile (including porcelain) and stone tile over DITRA and DITRA-XL. If you have availability to mapei the ultraflex 2 is perfect. VersaBond, a lightly modified mortar, is made by Custom Building Products. You can use this same method where DITRA meets drywall. Can you use unmodified thinset on drywall? Therefore, extended cure times would be required before grouting if using modified thin-set mortars between DITRA and ceramic tile, including porcelain tile. Therefore, extended cure times would be required before grouting if using modified thin-set mortars between DITRA and ceramic tile, including porcelain tile. For example, to set DITRA over plywood or OSB, a modified thin-set mortar meeting the requirements of ANSI A118.11 is used. Therefore, extended cure times would be required before grouting if using modified thin-set mortars between DITRA and ceramic tile, including porcelain tile. Schluter®-DITRA-HEAT Installation Guide Esta guía está disponible en español. One example would be to use Laticrete's 317 thinset Since DITRA is impervious, it does not deprive the mortar of its moisture. Can I use modified thinset under Ditra? Click to see full answer Keeping this in consideration, what happens if you use modified thinset on Ditra? I talked to a guy in the flooring department at Home Depot and he says I can use thinset mortar to secure Ditra membrane to my plywood sub floor (in a small 5' x 5' bathroom) plus use the same thinset to set the tile over the Ditra. Unmodified vs modified. Para obtener una copia, llame por teléfono a nuestro servicio al cliente o descárguela desde nuestro sitio Internet : www.schluter.com. I am using the Ditra uncoupling membrane for the first time for a small (100 square foot) tile job. However, over concrete Schluter 1/8 Since the cavities are dovetailed (that means they go down and away from the opening) you need to ‘force’ thinset into the bottom corners of the cavities. The problem with using a modified thinset is that it takes forever to dry over Ditra, especially with porcelain tile, being that it has an impervious barrier above and below. Exception: Certain moisture-sensitive stones, e.g., green marble, or resin-backed tiles may require special setting materials. A HD employee sold me CustomBlend unmodified thinset and Multiset to use over and under the Kerdi and Ditra in my latest bathroom project. I also think the cable was run 2 studs apart from each other rather than the 3 studs specified in the Ditra install guide. thinset (or modified); on top of Ditra & under tiles, use unmodified. You can't use modified thinset on top of the Ditra because modified needs air to dry. In general, we don't recommend the use of modified thin-set mortar to set tile over the membranes because these mortars must air dry to cure properly. This will prevent hardening in the bucket. In general, we don't recommend the use of modified thin-set mortar to set tile over the membranes because these mortars must air dry to cure properly. Copyright 2020 FindAnyAnswer All rights reserved. Please do not hesitate to ask me any further questions, and I hope if this has assisted you. joist spacing, single layer OSB or plywood subfloor Areas of Application over any even and structurally sound OSB or For instance, to install DITRA over plywood, a modified thinset mortar should be used. To set DITRA over concrete or gypsum, Schluter-Systems recommends an unmodified thin-set mortar meeting the requirements of ANSI A118.1. Also, what mortar do I use with Ditra? Hello everyone! You need to use the flat side of your trowel and spread thinset in every direction over the ditra to ensure that all the little waffles are full. I am a new home owner and I have been waiting forever to be able to just do whatever I want in my own home. Hope you realize that you are supposed to use NON modified thiset between the ditra and the tile. ANSWER – Porcelain Tile should be installed with a latex modified thin-set or a polymer modified thin-set. The good news is you can use latex modified thinset between the ditra and the subfloor, so it's apt to bond quite well. For example, to set DITRA over plywood or OSB, a modified thin-set mortar meeting the requirements of ANSI A118.11 is used. This is because it does not allow fluid to pass through. The type of thin-set mortar (modified vs. unmodified) used to install DITRA depends on the substrate. What's the difference between modified and unmodified thin set? Should I use modified or unmodified thinset? Warning: The topics covered on this site include activities in which there exists the potential for serious injury or death . You can use latex-modified thinset between a membrane and the subfloor. What type of thin-set mortar should I use when setting tile over Schluter, Using a Prefabricated Shower Tray and Ramp, Continuing Education for Architects & Designers. What is the best Thinset for ceramic tile. For an acid-resistant covering, use an epoxy adhesive to set and grout the tile. For the Ditra, you can bond it to the subfloor with a modified thinset and set tile on it with an unmodified thinset. In general, we don't recommend the use of modified thin-set mortar to set tile over the membranes because these mortars must air dry to cure properly. Can ram aluminum can crusher crush 10 cans in 10 seconds? This allows the cement to properly hydrate, resulting in a strong, dense bond coat. If extended cure times were not observed, the results could be unpredictable. The ditra handbook says to use unmodified thinset to bond the tile to the ditra because it chemically cures. I'm clear on that aspect, Ccarlise; p. 25 of I misspoke in my most recent message, prior to this one (I said it right in my first message): Under Ditra, use Latex p.c. I've used ditra before but im wanting to use a fast set and I can only find it in modified in my area. Is it ok to use a polymer modified thinset over ditra. When it comes to thinset, choosing between modified or unmodified thinset can leave many tile installers scratching their heads. Over prim-grip you want a modified thinset to bond ditra, not unmodified. Using Thinset Mortar Under Ditra? Schluter has said that if you use a modified thinset to set the tile that you can have to wait as long as 7- 10 days JUST TO GROUT. How long does unmodified thinset take to cure? More than that, you don't have to mix some types of modified thinset with water before spreading it out on the subfloor. Can I use modified thinset under Ditra? With modified fast set that shouldn't be an issue as near as I can tell Both products currently cost about $15. The Schluter website says it is fine to use MODIFIED thinset to adhere the Ditra to the plywood subfloor, however they specify UNMODIFIED thinset to adhere the tiles to the Ditra. notch trowel.