Ditra Over Plywood Floor

The joists are rough cut 2 x 8s.

Ditra over plywood floor.

It is important to use a very good quality polymer modified thinset to install the ditra on the sub floor. Ditra is approved for use with ceramic porcelain and natural stone tile. My question is can i install the ditra over the floor leveler or do i put down another layer of plywood 1 4 first. Basically you can install ditra over.

It can be installed over a variety of substrates including plywood osb existing vinyl structural planks and concrete. For installing the ditra membrane. Schulter expressly notes that ditra replaces that second layer of plywood. Ensure subfloor panels are level and properly fastened to the joists.

Over concrete or gypsum use unmodified thinset mortar. It uncouples or releases the bond between plywood and tile mortar allowing each surface to move independently of each other. It is 6 x7 and the floor slopes a quarter inch over the 6 width. Ditra and ditra xlseams and floor wall.

My bathroom floor needs some floor leveler well a lot of leveler. Over plywood or osb use modified thinset mortar. For installing tiles on ditra. A tight unmoving bond between mortar and subfloor causes cracking.

But again this tutorial is just for wood subfloors. Use unmodified thinset mortar learn about modified vs unmodified dryset thinset here fourteen months later everything looks good so far. Can be installed on top of concrete plywood osb gypsum existing vinyl floors structural planks sub floors and radiant heated floors. The subfloor is 5 8 t g plywood joists 2x12 on 12 centers.

This house is over 70 years old and the 1 4 boards were in good condition. I put down 1 2 plywood all around in a staggered pattern being careful not to put screws in directly to the joists. Or plywood subfloor areas of application over any even and structurally sound double layer osb or plywood floor interior dry or wet areas limitations minimum 2 x 2 50 mm x 50 mm tile requirements maximum spacing of i joists or floor trusses. All the specifics for ditra installation are in the handbook or on schluter s site.

What do ya think. For this project the ditra is being installed over radiant heating element embedded in self leveling mortar. Ditra xl allows for ceramic tile application over single layer plywood osb subfloors on joists spaced at 24 610 mm o c.