Ditra Mat Over Concrete

Purchase a suitable trowel for the thin set mortar between the substrate and the ditra membrane.

Ditra mat over concrete.

Depends on the condition of the slab and if it has any issues. Don t install tile the same day over the ditra heat mat. For example to set ditra over plywood or osb a modified thin set mortar meeting the requirements of ansi a118 11 is used. Ditra heat tb has additional insulation for going over concrete floors.

Again i think this is a bad idea. 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. Schluter says this is ok. I would prefer a crack isolation mat like noble ts.

While ditra is my preferred membrane for floor tile installation as well as countertops and tub decks it absolutely needs to be installed correctly. To start with choose a quality thin set mortar for sticking the ditra to the subfloor substrate. Select ditra or ditra xl underlayment depending on the. The type of thin set mortar used to install ditra depends on the substrate material.

The two main techniques for this are fairly simple. 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. To set ditra over concrete or gypsum schluter systems recommends an unmodified thin set mortar meeting the requirements of ansi a118 1. Ditra over concrete floors.

Make sure the cavities waffles are filled correctly. If it s newer and has cracks i wouldn t use ditra.