For DITRA use a 1/4″ x 3/16″ (6 mm x 5 mm) V-notched trowel, 5/16″ x 5/16″ (8 mm x 8 mm) V-notched trowel, or the DITRA trowel, which features an 11/64″ x 11/64″ (4.5 mm x 4.5 mm) square-notched design, is recommended.
How thick should 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 size trowel is used for Schluter?
A 1/4″ x 3/16″ (6 mm x 5 mm) V-notched trowel or the Schluter™-KERDI-TROWEL is recommended.
How much mortar do I need for DITRA?
To bond DITRA and DITRA-XL to the substrate: Use one 50 lb. (22.68 kg) bag of mortar per 150 – 200 ft2 (13.9 – 18.6 m2). To bond tile to DITRA, using a 1/4″ x 3/8″ (6 mm x 10 mm) square- or U-notched trowel: Use one 50 lb (22.68 kg) bag of mortar per 40 – 50 ft2 (3.7 – 4.6 m2).
What Thinset do you use with DITRA?
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.
How thick should subfloor be for DITRA?
Proper Floor Preparation
However, the plywood subfloor must be thick enough to support the tile floor. This means: A minimum of 5/8” nominal plywood or OSB thickness installed over joists on 16” centers.
How do you lay DITRA on plywood?
Schluter DITRA Over Plywood…Quick Tips – YouTube
What is the thickness of Ditra heat?
DITRA-HEAT allows you to protect the integrity of your investment and enjoy the luxury of heated floors. Only 1/4″ (5.5 mm)-thick, DITRA-HEAT provides the thinnest possible assembly without sacrificing performance.
Can you use modified thinset under DITRA?
Since DITRA is impervious, it does not deprive the mortar of its moisture. This allows the cement to properly hydrate, resulting in a strong, dense bond coat. 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.
What does trowel size mean?
Trowels are measured by the length and height or depth of the notches or teeth. A ¼” x ¼” trowel, then, will have a notch that is ¼” square. … Trowels are measured by the length and height or depth of the notches or teeth.
How do you trowel thinset for DITRA?
How to achieve proper coverage underneath Schluter®-DITRA
How much thinset should I use?
Thinset &, Grout Coverage Info
| FLOOR APPLICATION | WALL APPLICATION | COVERAGE (based on 50lbs bag) |
|---|---|---|
| 4 inch – 12 inch Tile | 4 inch – 12 inch Tile | 75 – 85 Sq Ft |
| 12 inch – 16 inch Tile | 12 inch – 16 inch Tile | 60 – 70 Sq Ft |
| 16 inch or larger | 16 inch or larger | 40 – 50 Sq Ft |
| Tile thicker than 3/8 inch | Tile thicker than 3/8 inch | 40 – 50 Sq Ft |
How do you install a Ditra membrane?
Schluter®-DITRA Installation over Wood – YouTube
How long after laying DITRA can I tile?
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.
How do you install DITRA tile?
Tile Installation Over DITRA Summary – YouTube
How long does Thinset take to dry under DITRA?
When an excessive load is applied onto the Ditra surface after installation, the load is transferred to the substrate through the cavity. 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.
Do I need underlayment for DITRA?
DITRA will forever change the way you lay tile. … In order to protect the integrity of the tile assembly, an underlayment that performs multiple functions is required. Schluter®-DITRA is specifically designed to allow the installation of ceramic and stone tile over any even and load-bearing substrate.
Is DITRA better than cement board?
Schulter Ditra or Cement Board (Hardibacker, Durock, Wonderboard, etc.) is typically used as a tile substrate because it is durable, water resistant, and does not expand, contract, or warp when exposed to moisture. Schluter Ditra is superior to cement board in all categories except price and durability.
Can you install DITRA over particle board?
Because it is not correctly locked into the ditra you will lose the mechanical bonding properties of ditra and you may as well install it directly to particle board at that point (That was sarcasm – don’t do that!). … Installing ditra over an approved substrate is much, much easier.
Do I need uncoupling membrane on plywood?
Although some substrates absolutely require uncoupling membranes, they can be installed on a range of surfaces, including cement mortar, backerboard, OSB, and plywood. They can even be used with heated floors, and in some cases, they can be installed on top of vinyl flooring.
How do you lay DITRA matting on floorboards?
Using a 3x3mm notched trowel, apply a layer of UltraTile ProFlex SP over the floorboards to a sufficient depth to secure the fabric fleece on the Schlüter®-DITRA underside of the matting. Lay the matting into the wet/tacky adhesive and press firmly into place, abutting all edges.
Can I install tile over plywood?
Tile can be laid on plywood. But do not install tile directly on the plywood subfloor itself. Use an intervening layer of a sheet of thinner plywood.
How do you wire DITRA-HEAT?
Ditra-Heat Installation (Part 2: Cable Installation) – YouTube
How thick is DITRA after install?
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 does DITRA-HEAT take to warm up?
Floor covering
For those who have wooden floors that are well insulated, you can expect the system to warm up within 30-60 minutes. If you have a non-insulated thick concrete floor it could take between 2-8 hours before the heat is felt.
Can you self level over DITRA?
Can I use self-leveling compounds over Schluter™-DITRA-HEAT? No, any leveling of the subfloor must be done prior to installing the DITRA-HEAT membrane. A major benefit of DITRA-HEAT is that self-leveling compounds are not required to encapsulate the heating cables, which results in reduced installation time.
How long does DITRA take to set?
Step 4: Mix Ditra-Set
Open time for Ditra-Set is about 20-30 min so the guys only mixed what they could use in that timeframe.
What is difference between modified and unmodified thinset?
What is the difference between modified and unmodified thin-set mortar? Dry-set mortar is comprised mostly of cement, sand, and a water retention agent, and is also called unmodified mortar. Modified mortar contains a polymer which can improve the bond strength and add other properties.
How do you know what size trowel to use?
Finding the right trowel for the job is quite simple when you know that, generally speaking, the trowel size should match up to the tile size – the smaller the tile, the smaller the trowel, the larger the tile, the larger the trowel.
What size notched trowel should I use?
All tile manufacturers offer a recommended trowel size. Mosaic installations up to 2 inches can use a 1/8-inch notch, as can wall tiles of up to 4 inches, as a general rule. 16-inch tiles need a 1/2-inch-deep notch, and anything over 24 inches should use a 3/4-inch notch.
How much height will thinset add?
When a tile is pressed to this thinset, it spreads to fill the spaces between the ridges, resulting in a thinset layer 3/16ths of an inch thick.
What size notched trowel for 12×12 tile?
Floor tiles measuring 12 by 12 inches are considered standard, requiring a notched trowel size of either 1/4 inch by 3/8 inch or 1/2 inch by 1/2 inch.
What size notched trowel for large format tiles?
Trowel Size
For many large format tile installations, a larger trowel such as 1/2″ x 1/2″ square notch or a 3/4″ x 3/4″ rounded notch will help attain adequate coverage. For larger tiles, a U-notch trowel may be necessary for correct coverage.
Can you back butter DITRA?
Do You Need to Back Butter Tiles? – YouTube
Is back buttering tile necessary?
Back Buttering Tile Can Be Effective
Although not necessary for tile coverage, back buttering can be effective by increasing the bond of the mortar to the back of the tile which is an excellent benefit.
What happens if thinset is too thick?
In addition to producing an uneven surface, applying too much thinset can create costly cleanup headaches and add unnecessary time to a project. Simple installation rules eliminate the possibility of this potential problem. It dries faster. It’s harder to trowel.
What tool removes thinset?
Scraping Thinset
Electric chipping hammers with a chisel or electric hammer drills with long and wide blades are the tools of choice for scraping up thinset. If the thinset is bonded too strongly to the concrete, though, then a grinder with a diamond face is the more reliable option.
How do you lay a Ditra 25?
Schluter®-DITRA Installation over Concrete – YouTube
Can you use tile adhesive on DITRA?
If using covering materials with a lateral length ≥ 30 cm, we recommend bonding the covering material to DITRA 25 using a water-binding tile adhesive for rapid curing and drying. 3. Apply thin-bed mortar on the substrate with a notched trowel (recommended size: 3 x 3 mm or 4 x 4 mm, mortar requirement approx.
What is DITRA tile underlayment?
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.