Where a waterproof floor is required all ditra heat and ditra heat tb seams and floor wall transitions must be sealed with kerdi band using unmodified thin set mortar.
Ditra mat installation video.
Again i think this is a bad idea.
As mentioned when you have to pick a tile up and re install it you will have to do this more than once the suction of the tile can pull up the ditra mat causing it to break the bond to the plywood.
The integration of ditra s uncoupling waterproofing load distribution and vapor management functions makes consistent results viable.
Vapor barrier on crawl space floors according to regional building codes.
Ditra is 1 8 in thick and is designed for ceramic and stone tile.
Made of polyethylene ditra and ditra xl serve as a waterproofing layer that protects moisture sensitive substrates such as plywood osb.
Install over a wide range of substrates including plywood osb concrete gypsum heated floors etc.
Schlüter ditra 25 is a polyethylene mat with square dovetailed recesses and an anchoring fleece laminated to the underside.
For commercial and residential applications.
Areas of application over any even and structurally sound osb or.
Uncoupling waterproofing vapor management and support to ensure a long lasting installation.
Floor warming ditra heat combines the flexibility of loose heating cables with the ease of installation of mat systems.
Schluter ditra and ditra xl are specifically designed for ceramic and stone tile installations ditra and ditra xl provide uncoupling to prevent cracked tile and grout.
Below is an official video from schluter that also outlines the installation process.
Schluter ditra is specifically designed to allow the installation of ceramic and stone tile over any even and load bearing substrate.
Install the ditra heat mat one day and install the electric heat wire a different day.
Legend essential significant helpful uncoupling.
Schluter ditra heat integrates customizable comfortable electric floor warming with the functions associated with ditra.
Additional steps for waterproof application once the ditra membrane is in place and before any tile is set the next step is to cover the seams with an 8 wide layer of unmodified thin set centered on the seam.