For example, to set DITRA over plywood or OSB, a modified thin-set mortar meeting the requirements of ANSI A118. 11 is used. To set DITRA over concrete or gypsum, Schluter-Systems recommends an unmodified thin-set mortar meeting the requirements of ANSI A118. 1.
Can DITRA be installed over plywood?
Ditra should be installed on plywood subfloors using modified thinset mortar, not unmodified. The difference between the two is that the unmodified is a mixture of Portland cement, sand and water retention agents. Modified thinset mortar adds latex polymers to increase its adhesion and strength.
Does DITRA need underlayment?
In order to protect the integrity of the tile assembly, an underlayment that performs multiple functions is required. DITRA is specifically designed to allow the installation of ceramic and stone tile over any even and load-bearing substrate.
How thick should subfloor be for DITRA?
DITRA is 1/8″ (3 mm) thick, which minimizes tile assembly thickness and reduces transitions to lower surface coverings (e.g., carpet, engineered wood, and vinyl). DITRA allows for ceramic tile application over single-layer plywood or OSB subfloors on joists spaced up to 19.2″ (488 mm) o.c.
How long after laying DITRA can I tile?
Once DITRA has been installed on the substrate, tile can be installed right away. No need to wait for the mortar to cure.
How long should DITRA dry before tiling?
Ditra-set only takes 25 to 30 minutes to dry. These advantages allow you to walk on the Ditra surface before tiling or even right after installing the Ditra. When installing ceramic and other stone tiles, Ditra is beneficial to use. It aids in a durable tile installation that will last for a long time.
How do you prepare subfloor for DITRA?
Step 1: Gather Materials. Tile floors… Step 2: Know Joist Spacing. Step 3: Mix Modified Thin-Set. Step 4: Measure Floor Dimensions and Cut DITRA. Step 5: Dry Fit DITRA. Step 6: Clean & Dampen Wood Subfloor. Step 7: Apply Modified Thin-Set. Step 8: Embed DITRA Into Thin-Set.
How much thickness does DITRA add?
DITRA is 1/8″ (3 mm) thick, which minimizes tile assembly thickness and reduces transitions to lower surface coverings (e.g., carpet, engineered wood, and vinyl).
Can you use DITRA with 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. If extended cure times were not observed, the results could be unpredictable.
Can I walk on DITRA membrane?
Pro-Tip: DITRA can be walked on immediately after; there’s no need to wait for the mortar to cure.
What does DITRA mat do?
Waterproofing – DITRA Matting creates a waterproofing assembly with the tile layer, as long as the joints, floor to wall transitions and connections to building fixtures are properly installed.
When should you use DITRA matting?
Ditra matting and grout spacing
We will generally use Ditra on Victorian tiled hallways when we wish to reduce the minimum spacing to less than 1 mm.
How thick can thinset be under DITRA?
The Ditra membrane itself is 1/8″ thick, and Schluter recommends using a size 1/4″x3/16″ V notched or Square notch trowel 11/64″x11/64″ between the subfloor to Ditra, and 1/4″x3/8″ square or U notched trowel between Ditra to the tile.
What is the difference between DITRA and DITRA-XL?
DITRA allows for ceramic tile application over single-layer plywood or OSB subfloors on joists spaced up to 19.2″ (488 mm) o.c. DITRA-XL is 5/16″ (7 mm) thick, which permits even transitions between tile and 3/4″-thick hardwood flooring.
How much height does Ditra heat add?
Based upon your description, your rough gain in elevation is about 1-1/2″, maybe a tad less, in gain above the subfloor, from the underside of the underlayment to the top surface of the tile.
Does DITRA need to dry before tiling?
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.
