Ditra Membrane Over Concrete

Please consult the schluter ditra installation handbook before beginning your tile project to confirm the proper materials selection.

Ditra membrane over concrete.

Installing tile directly on concrete ceramic and porcelain tile are so frequently installed at or above grade level on a cement board underlayment or directly on plywood that it almost seems novel to install tile directly on concrete. In addition they provide a stable substrate for tile installation on oily asphalt or extremely smooth surfaces for which adhesion is a problem. The schluter ditra heat duo membrane is 5 16 8 mm thick compared to ditra heat at 1 4 5 5 mm thick and has 4 benefits. 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.

Schluter ditra is specifically designed to allow the installation of ceramic and stone tile over any even and load bearing substrate. The type of thin set mortar used to install ditra depends on the substrate material. For example to set ditra over plywood or osb a modified thin set mortar meeting the requirements of ansi a118 11 is used. I would prefer a crack isolation mat like noble ts.

Ditra over concrete floors. Schluter ditra and redgard uncoupling mat are two popular brands of tiling membranes that lessen the chance of concrete events becoming tile events. Uncoupling membranes are primarily designed for use over concrete slabs and subfloors especially ones with defects such as depressions or high moisture levels. 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.

The integration of ditra s uncoupling waterproofing load distribution and vapor management functions makes consistent results viable. If it damp ditra would be my choice. The ditra heat duo has fleece liner that results in a 70 faster floor warming response time. Depends on the condition of the slab and if it has any issues.

Legend essential significant helpful uncoupling.