The thinset won't dry. on porcelain i would burn the thinset onto … For example, to set DITRA over plywood or OSB, a modified thin-set mortar meeting the requirements of ANSI A118.11 is used. It costs about the same as the VersaBond® I use for a lot of applications. 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. The ditra handbook says to use unmodified thinset to bond the tile to the ditra because it chemically cures. You need to use thinset mortar to bond the underside of the ditra to the concrete. Please consult your stone supplier and Schluter-Systems for more information. For an acid-resistant covering, use an epoxy adhesive to set and grout the tile. Can I use modified thinset under Ditra? The answer might surprise you. This will prevent hardening in the bucket. On top of Ditra, you would use unmodified thinset to install your 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. 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. However, over concrete Schluter 1/8 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. You can't use modified thinset on top of the Ditra because modified needs air to dry. 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. 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. 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. Check out the video for those details. I would like to lay them with a 1/8 joint or even smaller if I can. Hope you realize that you are supposed to use NON modified thiset between the ditra and the tile. I've used ditra before but im wanting to use a fast set and I can only find it in modified in my area. Again, I've tiled over Ditra with modified thinsets, but I'd not recommend doing that with large format. 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. I know Schluter wants unmodified between tile and Ditra, but what under Ditra to Hardiebacker? I don’t believe 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. One example would be to use Laticrete's 317 thinset All portland based cementious products will allow water to pass through. You can use this same method where DITRA meets drywall. Can I use modified thinset over Ditra? 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. Thinset Decoded: Which is the best thinset to use for Ditra, Kerdi, porcelain tile, floors, large tile, wood look tile, and showers. When sandwiched between two impervious layers such as DITRA and porcelain tile, drying takes place very slowly through the open grout joints. Which thinset to use with porcelain tile? If you have availability to mapei the ultraflex 2 is perfect. The latex modified is more resistant due to the latex that is mixed in with the adhesive but that doesn;t make it "waterproof". 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. You need a site visit from a rep. You need to know the framers home address and name of the subfloor and walls. I'm clear on that aspect, Ccarlise; p. 25 of This allows the cement to properly hydrate, resulting in a strong, dense bond coat. Once you use a modified you have left any of Schuter's printed recommendations so any modified thin-set is a deal breaker. Does Bunn make a programmable coffee maker? Use Thinset With a Higher Latex Content Higher latex content is essential for bonding to plywood. It is important to use a very good quality polymer modified thinset to install the ditra on the sub floor. To set DITRA over concrete or gypsum, Schluter-Systems recommends an unmodified thin-set mortar meeting the requirements of ANSI A118.1. Because Ditra is waterproof and vapor proof, and tile, especially larger tile porcelain tile, will trap that moisture in. Modified or not??? I would like to lay them with a 1/8 joint or even smaller if I can. 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. Para obtener una copia, llame por teléfono a nuestro servicio al cliente o descárguela desde nuestro sitio Internet : www.schluter.com. One tilesetter friend of mine says modified thinset works Also, what mortar do I use with Ditra? ANSWER – Porcelain Tile should be installed with a latex modified thin-set or a polymer modified thin-set. The ditra handbook says to use unmodified thinset to bond the tile to the ditra because it chemically cures. Hello everyone! Prim-grip is a fabulous product). What type of thin-set mortar should I use when installing Schluter-DITRA? You must get written permission from Schluter's head office for any modified thin-set use. Can you use modified thin-set over top of Kerdi and Ditra. What cars have the most expensive catalytic converters? Obviously, modified thinset is the better option, and all this debate is useless. Ditra-set is priced right. Also question is, can you mix modified and unmodified thinset? 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. Asked By: Miroslaw Gschwendtberger | Last Updated: 28th February, 2020, All portland based cementious products will allow water to pass through. Not finding what thin set to use between Ditra and Hardiebacker. Only make enough thinset that you can use within 20-30 minutes. For example, if a shower is used before 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. You can use latex-modified thinset between a membrane and the subfloor. I also think the cable was run 2 studs apart from each other rather than the 3 studs specified in the Ditra install guide.