Ditra Over Plywood Floor

Over plywood or osb use modified thinset mortar.

Ditra over plywood floor.

This house is over 70 years old and the 1 4 boards were in good condition. Ditra is approved for use with ceramic porcelain and natural stone tile. For installing the ditra membrane. The concern being if the floor shifts it may buckle in areas and affect the finished floor.

A tight unmoving bond between mortar and subfloor causes cracking. It uncouples or releases the bond between plywood and tile mortar allowing each surface to move independently of each other. My question is can i install the ditra over the floor leveler or do i put down another layer of plywood 1 4 first. How to install schluter ditra on plywood sub floor.

It is 6 x7 and the floor slopes a quarter inch over the 6 width. But again this tutorial is just for wood subfloors. The subfloor is 5 8 t g plywood joists 2x12 on 12 centers. Can be installed on top of concrete plywood osb gypsum existing vinyl floors structural planks sub floors and radiant heated floors.

Ditra and ditra xlseams and floor wall. My bathroom floor needs some floor leveler well a lot of leveler. Over concrete or gypsum use unmodified thinset mortar. All the specifics for ditra installation are in the handbook or on schluter s site.

An uncoupling membrane does exactly what the name says. For this project the ditra is being installed over radiant heating element embedded in self leveling mortar. What do ya think. Schulter expressly notes that ditra replaces that second layer of plywood.

Use unmodified thinset mortar learn about modified vs unmodified dryset thinset here fourteen months later everything looks good so far. It can be installed over a variety of substrates including plywood osb existing vinyl structural planks and concrete. For installing tiles on ditra. Ditra xl allows for ceramic tile application over single layer plywood osb subfloors on joists spaced at 24 610 mm o c.

Ensure subfloor panels are level and properly fastened to the joists. The joists are rough cut 2 x 8s. It is important to use a very good quality polymer modified thinset to install the ditra on the sub floor.