Ditra Mat On Concrete

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

Ditra mat on concrete.

Concrete mortar screeds gypsum based screeds radiant heated screeds and masonry mixed substrates. I m doing it now so i don t have to later. 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 heat mat is about 1 4 inch thick.

What you can do is run that mat everywhere but only heat the parts that you want. Megabond from lowes or kerabond are good un modified thin sets. Schluter ditra mat on concrete slab we are in the process of building a cottage and i wondered if we needed the extra expense of the schluter ditra mat under our planned slate tile flooring. Whether you use ditra xl 1 4 inch hardibacker or whatever is up to you.

To start with choose a quality thin set mortar for sticking the ditra to the subfloor substrate. But that s what brings us to this bright orange stuff. Uncoupling membranes such as ditra available on amazon also manufactured by shulter systems take the place of traditional backer board on wood subfloors and concrete slabs. Un modified under and over the ditra.

For example to set ditra over plywood or osb a modified thin set mortar meeting the requirements of ansi a118 11 is used. A seasoned floor that never sees moisture you could skip the ditra. Alternatively you could use ditra heat mat only where you want to heat but i would recommend another similar height tile underlayment to use with it. 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.

Purchase a suitable trowel for the thin set mortar between the substrate and the ditra membrane. Select ditra or ditra xl underlayment depending on the. Ditra is good for new concrete. The floor is a 4 poured concrete slab on grade with moisture barrier and 2 sm insulation under the concrete.

Ditra matting is particularly useful when installing underfloor heating and provides a decoupling layer between the underfloor heating and the tiles. To set ditra over concrete or gypsum schluter systems recommends an unmodified thin set mortar meeting the requirements of ansi a118 1.