Ditra Membrane Over Concrete
Schluter ditra and redgard uncoupling mat are two popular brands of tiling membranes that lessen the chance of concrete events becoming tile events.
Ditra membrane over concrete. Legend essential significant helpful uncoupling. The ditra heat duo has fleece liner that results in a 70 faster floor warming response time. I would prefer a crack isolation mat like noble ts. If it s newer and has cracks i wouldn t use ditra.
Please consult the schluter ditra installation handbook before beginning your tile project to confirm the proper materials selection. Schluter ditra is specifically designed to allow the installation of ceramic and stone tile over any even and load bearing substrate. The best part is that it solved my issue of heat loss through the cold concrete floor. 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. Ditra over concrete floors. The integration of ditra s uncoupling waterproofing load distribution and vapor management functions makes consistent results viable. 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.
For example to set ditra over plywood or osb a modified thin set mortar meeting the requirements of ansi a118 11 is used. The type of thin set mortar used to install ditra depends on the substrate material. In addition they provide a stable substrate for tile installation on oily asphalt or extremely smooth surfaces for which adhesion is a problem. If it damp ditra would be my choice.
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.