Good luck with your reno RhetoricalQuestion. I used Ultraflex 2 or 3 under the Ditra which worked very well. Hi everyone, Just want to report that the tile job has gone well thanks to everyone's input. I was using the Regal series from Olympia Tile the tiles are about 10mm thick with regular Ditra membrane.
The final thickness came out perfect. Thanks again to the community, hope this helps others down the road! And here are some pics. Have fun cleaning and babying that dark maple floor tho You going to see every speck of dust and marks on that floor lol. Great post. Or is that self-leveling concrete too? Yes, the Ditra XL is thicker than the regular Ditra. Neither Ditra nor Ditra XL provides any reduction in subfloor deflection.
That would be true. I don't think you would find a perceptible difference at all in the transfer of heat from a radiant heating system through either membrane to the tile surface. Some day, hopefully soon, the ceramic tile industry will have an actual test available for such uncoupling systems. Guess we'll all just hafta wait, eh?
My opinion; worth price charged. Hello CX Being new here I now know to look at the dates also. I guess you probably won't read this. I'm aware of that published method by the manufacturer, Mike. If you'll look at post 3 you'll see that I pointed out that the manufacturer claims a better uncoupling effect with the Ditra XL than with regular Ditra. But as I pointed out in post 6, neither Ditra nor Ditra XL provides any reduction in subfloor deflection.
One may allow the tile installation to tolerate a bit more deflection than will the other, but neither reduces the deflection of the subflooring at all. CX, I was well aware of the date of the original thread.
I posted because it is irrelevant. Search engines use key words regardless of posting dates. Some interested folks in this topic will find the info regardless of how long ago it was posted.
Counterpoints: 1. Heat Transfer. There would be a perceptible difference in heat transfer from the reg. Material mass and airspace dissipates the transfer of thermal energy.
The physics are well proven and undeniable. My advice stands: If you don't need the height build up for planing purposes Otherwise you're wasting your money You're flat wrong on this point.
To use Schluter's analogy of cathedral mosaic tiled floors rather than my car wheel being "uncoupled" on a bed of sand : The strata thickness doesn't matter.
In other words it doesn't matter how thick the sand strata is in order to perform the uncoupling. If it's thick enough to isolate the bond between substrate and finish tile, then it is considered uncoupled. The sand particles are little round balls that allow lateral forces to become uncoupled between the foundation and finish layers. If this is achieved within a 1" bed of sand, then it is the same as using 10"-- or "--of sand.
You haven't achieved any more uncoupling or "degree" of uncoupling. You only end up with a thicker floor. I've been certified by Schluter in the use of their Kerdi and Ditra product. I understand that Schluter makes no structural claim as to reducing deflection with the use of Ditra XL. They haven't done the requisite testing to make this claim. However, the fact that they approve its use over larger plywood spans says it all. My guess is that there are so many variables in real world applications that Schluter cannot calculate the degree of accuracy necessary to warrant marketing such a claim.
However, again, it hasn't stopped them from approving the increased substrate span. I've had this discussion many times with Schluter reps. It will continue; particularly with their new radiant heat mat product which is coming out soon and is thicker than the XL.
I believe you're confusing the structural considerations of deflection with uncoupling when you hopefully talk about future testing. 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. Yulia Tracey Professional. What is Schluter Ditra used for? Ditra is an uncoupling membrane designed for ceramic and stone tile installations on floors. It provides uncoupling to prevent cracked tile and grout.
It is made of polyethylene creating a waterproofing layer protecting the substrate. Theodora Rolfe Explainer. How thick is Ditra with thinset? Santana Huartemendikoa Explainer. What size trowel do you use for Ditra? Alona Ziebur Pundit. Do I need Ditra on concrete floor? Lay the tile directly on the concrete. Camila Gluzman Pundit. How much thinset do I need for Ditra? Zoran Vontin Pundit. How long does Ditra take to set? Step 4: Mix Ditra - Set. Yosua Betzgen Pundit.
Which thinset to use with Ditra? Nisma Hudabirdin Pundit. How many square feet are in a roll of Ditra? Goiatz Abalakin Teacher. How long after laying Ditra can I tile? No need to wait for the mortar to cure. Darrick Subramaniam Teacher.
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