Ditra Mat On Concrete

The floor is a 4 poured concrete slab on grade with moisture barrier and 2 sm insulation under the concrete.

Ditra mat on concrete.

For example to set ditra over plywood or osb a modified thin set mortar meeting the requirements of ansi a118 11 is used. Whether you use ditra xl 1 4 inch hardibacker or whatever is up to you. Select ditra or ditra xl underlayment depending on the. Purchase a suitable trowel for the thin set mortar between the substrate and the ditra membrane.

It s called ditra and it s specially designed to handle a number of challenges that come with tile flooring. Concrete mortar screeds gypsum based screeds radiant heated screeds and masonry mixed substrates. But that s what brings us to this bright orange stuff. To start with choose a quality thin set mortar for sticking the ditra to the subfloor substrate.

A seasoned floor that never sees moisture you could skip the ditra. Ditra heat mat is about 1 4 inch thick. Tile over concrete subfloor ditra. 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.

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 matting is particularly useful when installing underfloor heating and provides a decoupling layer between the underfloor heating and the tiles. Ditra is good for new concrete. Un modified under and over the ditra.

The type of thin set mortar used to install ditra depends on the substrate material. Megabond from lowes or kerabond are good un modified thin sets. What you can do is run that mat everywhere but only heat the parts that you want. 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.

Ditra matting can be used on a wide range of surfaces including. To set ditra over concrete or gypsum schluter systems recommends an unmodified thin set mortar meeting the requirements of ansi a118 1.