The best replacement for hardie board is stucco.

The best alternatives to hardie board are rated as following:
★★★★★  stucco
★★★★★  vinyl siding
★★★★★  cement board
★★★★  durock
★★★  wonderboard
★★  ditra
★  wood siding
★  hardiplank
★  smartboard
★  certainteed
★  smartside
★  aluminum siding
★  cedar siding
  durarock
  canexel
  lp smartside
  certainteed siding
  steel siding

Your alternative for hardie board is not listed? Suggest!
Speaking about hardie board, one probably shouldn't forget about brick.

Other search terms related to hardie board and their ratings are:
★★★★★ brick
You have in mind a companion for hardie board and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of hardie board in all years. Click on graph for more.
hardie board
stucco
vinyl siding