The best replacement for ditra is hardibacker.

The best alternatives to ditra are rated as following:
★★★★★  hardibacker
★★★★★  durock
★★★★★  cement board
★★★★  kerdi
★★★★  ditra xl
★★★  wonderboard
★★★  cbu
★★★  backer board
★★  backerboard
★★  easymat
★  hardi
★  redguard
★  concrete board
★  prova flex
★  hardie board
★  wire mesh
  concrete backer board
  dural
  hardiboard
  protegga
  cement
  cement backer board

Your alternative for ditra is not listed? Suggest!
Speaking about ditra, one probably shouldn't forget about modified thinset.

Other search terms related to ditra and their ratings are:
★★★★★ modified thinset
★★★★ radiant heat
★★★ heat mat
★★★ heated floor
★★ kerdi
★ nuheat
floor heating
You have in mind a companion for ditra and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of ditra in all years. Click on graph for more.
ditra
hardibacker
durock