FAQ
FAQ
Can Schluter®-DITRA be used as a sound control membrane?
DITRA is not intended to be barrier sound control system. DITRA does, however, provide a degree of sound attenuation similar...
Can Schluter®-DITRA and Schluter®-DITRA-XL be installed over vinyl flooring?
Yes, Schluter®-DITRA or DITRA-XL can be installed over vinyl. Some limitations include the following: 1- Cushioned vinyl is...
Can mosaic tile be used with Schluter®-DITRA or Schluter®-DITRA-XL?
The minimum required tile format for use with DITRA is 2" x 2" (50 mm x 50 mm). Please call Schluter®-Systems...
Is it required to waterproof Schluter®-DITRA and Schluter®-DITRA-XL?
Waterproofing the floor is not required, but can be beneficial in some cases. Today’s construction methods, which include the use of lightweight...
Can Schluter®-DITRA or Schluter®-DITRA-XL be installed over hardwood flooring?
We don't recommend or warranty DITRA or DITRA-XL installation over existing hardwood flooring as it is very unstable and difficult to bond...
Can I use self-leveling compounds over Schluter®-DITRA or Schluter®-DITRA-XL?
DITRA and DITRA-XL were designed and tested for thin-bed ceramic tile and natural stone applications...
If I use a self-leveler on my plywood subfloor, which type of thin-set mortar do I used to install Schluter®-DITRA or DITRA-XL?
We recommend Schluter SET™ , ALL-SET™ , FAST-SET™, or unmodified thin-set mortar on a floor that has been leveled with a self-leveling product.
How much thin-set mortar will be used with Schluter®-DITRA or Schluter®-DITRA-XL?
The estimated thin-set mortar coverage for each membrane is shown below. Coverage may vary with mortar consistency, angle...
What size notched trowel should I use to install Schluter-DITRA and Schluter®-DITRA-XL?
What is the proper thin-set mortar consistency for installing Schluter-DITRA and Schluter®-DITRA-XL?
Using a thin-set mortar that is suitable for the substrate, apply the thin-set mortar (mixed to a fairly fluid consistency, but still able to hold a notch)...
How long do I have to wait before I can install tile on the Schluter®-DITRA membrane?
Once DITRA has been installed on the substrate, tile can be installed right away. No need to wait for the mortar to cure...
What type of thin-set mortar should I use when setting tile over Schluter®-DITRA and Schluter®-DITRA-XL?
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 ...
Why should I use Schluter®-DITRA in my tile installation?
Ceramic and stone tiles are durable, easy to maintain, and hygienic, representing the ideal surface coverings...
I’m planning to install my tile using Schluter®-DITRA. Where do I begin?
The first thing to do is plan out the installation according to the Schluter-DITRA Installation Handbook...
What type of thin-set mortar should I use when installing Schluter-DITRA?
The type of thin-set mortar used to install DITRA depends on the substrate material. For example, to set DITRA over plywood...
Can I use a premixed thin-set mortar to install Schluter-DITRA and tile?
No. Schluter-Systems does not recommend the use of premixed thin-set mortars (mastics/adhesives) in any DITRA installation.
How do I know if the thin-set mortar is modified or unmodified?
In general, unmodified thin-set mortar is a blend of Portland cement, sand, and water retention agents that is mixed with...
Do I need to provide movement joints when I use Schluter-DITRA in my tile installation?
Yes. DITRA does not eliminate the need for movement joints. Movement joints are essential in any tile installation to prevent...
Can I install glass tile over Schluter®-DITRA?
I tried to snap chalk lines on Schluter-DITRA before setting my tile, but the chalk rubs off the plastic easily while I am working. What can I do?
One option is to apply hair spray over the chalk lines. You don’t have to worry about the hair spray acting as a bond breaker because...
I need to remove and reinstall a tile on Schluter-DITRA. How can I do this safely?
If you are in the process of setting the tile and the thin-set mortar is still fresh, simply run your margin trowel under the surface...
What is the difference between Schluter®-DITRA and Schluter®-DITRA-XL?
Schluter uncoupling membranes provide the four essential functions for successful tile installation over a wide range of substrates...
Can I install electric floor warming systems on top of Schluter®-DITRA and Schluter®-DITRA-XL?
Schluter®-Systems does not recommend the installation of floor warming systems over DITRA or DITRA-XL...