What is the thinset on top of Ditra?
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 ceramic.
What happens if you use modified thinset on Ditra?
The problem with using a modified thinset is that it takes forever to dry over Ditra, especially with porcelain tile, being that it has an impervious barrier above and below. 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.
Does thinset stick to Ditra?
While the membrane’s fleece IS bonded to the substrate, thinset does NOT stick to Ditra, and there are voids between the pillars that hold the tile up which means that if a lateral stress is applied, the whole tile and thinset layer can move totally independently of the subfloor or slab only restricted by the …
What thicknesses does Ditra come in?
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 thinset take to dry under DITRA?
According to the TCNA, this drying period can fluctuate from 14 days to over 60 days, depending on the conditions. Therefore, extended cure times would be required before grouting if using modified thinset mortars between Ditra and porcelain tile.
Can I use unmodified thinset on plywood?
Thinset is the wet base that you first trowel on the plywood to make the tile stick. Higher latex content is essential for bonding to plywood. A quality unmodified thinset should be used and mixed with a latex additive.
What do you stick DITRA matting down with?
Installing DITRA Matting
- Apply a layer bonding adhesive to the level substrate using a 3x3mm or 4x4mm notched trowel.
- Cut DITRA matting to size if required, then embed the anchoring fleece on the underside of the matting into the adhesive so that its entire surface is strongly bonded.
Should I use DITRA over concrete?
Ditra is needed over concrete, especially if there is movement in the cement. Ditra gives you peace of mind as it is used to uncouple the tiles from the concrete and prevents the tiles from cracking by allowing them to move independently when a home shifts.
Should I use DITRA or cement board?
Ditra is waterproof, while cement board lets water through but won’t be damaged by it. This may make Ditra a better choice if moisture from below is a concern, such as with some outdoor applications or installations over concrete. Some tile setters also prefer Ditra for its relatively quick installation.
Do you need DITRA on concrete?
How much thinset do I need for Ditra?
Ditra is 1/8″ thick, and can be installed on single layer plywood or OSB subfloors that are over joists spaced up to 19.2″ on center. Most common tile floor underlayments are 1/4″ thick, so Ditra is a great alternative if a shorter underlayment is needed. Subsequently, question is, how much thinset do I need for Ditra?
How much thin-set mortar will be used with Schluter®-Ditra?
To bond DITRA and DITRA-XL to the substrate: Use one 50 lb. (22.68 kg) bag of mortar per 150 – 200 ft 2 (13.9 – 18.6 m 2 ). 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 m 2 ).
What’s the final thickness of a Ditra membrane?
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. But they can’t tell me the final thickness of the entire sandwich,…
What kind of plastic is used for Schluter Ditra?
A polyethylene membrane: Polyethylene is the most common plastic available. The Schluter-DITRA matting is a flexible, waterproof form of it. With a grid structure of square cavities: These cavities are filled with thin-set mortar that produces a mechanical bond between the mortar and the tile.