Ditra Mat Over Concrete

The type of thin set mortar used to install ditra depends on the substrate material.

Ditra mat over concrete.

For example to set ditra over plywood or osb a modified thin set mortar meeting the requirements of ansi a118 11 is used. Don t install tile the same day over the ditra heat mat. Purchase a suitable trowel for the thin set mortar between the substrate and the ditra membrane. Install it over an approved substrate and with the correct type of thinset mortar.

If it s newer and has cracks i wouldn t use ditra. Ditra over concrete floors. Again i think this is a bad idea. To start with choose a quality thin set mortar for sticking the ditra to the subfloor substrate.

Make sure the cavities waffles are filled correctly. While ditra is my preferred membrane for floor tile installation as well as countertops and tub decks it absolutely needs to be installed correctly. 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. 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 heat tb has additional insulation for going over concrete floors. The two main techniques for this are fairly simple. Schluter says this is ok. I would prefer a crack isolation mat like noble ts.

Select ditra or ditra xl underlayment depending on the. If it damp ditra would be my choice.