Make sure the cavities waffles are filled correctly.
Ditra mat over concrete.
The combination of these four essential functions allows for the successful installation of tile over a wide range of substrates including plywood osb concrete gypsum heated floors etc.
Purchase a suitable trowel for the thin set mortar between the substrate and the ditra membrane.
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.
Please consult the schluter ditra installation handbook before beginning your tile project to confirm the proper materials selection.
Install it over an approved substrate and with the correct type of thinset mortar.
For example to set ditra over plywood or osb a modified thin set mortar meeting the requirements of ansi a118 11 is used.
Schluter says this is ok.
Select ditra or ditra xl underlayment depending on the.
The two main techniques for this are fairly simple.
Again i think this is a bad idea.
I would prefer a crack isolation mat like noble ts.
Ditra heat tb has additional insulation for going over concrete floors.
If it damp ditra would be my choice.
Depends on the condition of the slab and if it has any issues.
If it s newer and has cracks i wouldn t use ditra.
To set ditra over concrete or gypsum schluter systems recommends an unmodified thin set mortar meeting the requirements of ansi a118 1.
To start with choose a quality thin set mortar for sticking the ditra to the subfloor substrate.
The type of thin set mortar used to install ditra depends on the substrate material.