Ditra does not recommend using anything but their own heating cables but nuheat advertises that their cable system works just fine with the ditra heat membrane.
Using nuheat cable with ditra heat mat.
The nuheat cable may also be installed in combination with the nuheat mat system.
Use standard mats for rectangular or square areas and fill in with cables for the irregular angled or curved.
The stud structure of ditra heat is specifically designed to allow for the easy installation of ditra heat e hk heating cables.
Uncoupling waterproofing vapor management and support to ensure a long lasting installation.
Whether you use ditra xl 1 4 inch hardibacker or whatever is up to you.
The nuheat heat mat should be installed on the plywood with a good quality polyme.
How to install nuheat heat matt with schluter ditra on a plywood subfloor.
Schluter ditra heat integrates customizable comfortable electric floor warming with the functions associated with 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.
Like you i wanted to use a decoupling membrane plus i like the waterproofing of ditra in the bathroom.
Ditra heat combines the flexibility of loose heating cables with the ease of installation of mat systems.
Uncoupling waterproofing vapor management and support to ensure a long lasting installation.
Ditra heat mat is about 1 4 inch thick.