Re: Cement Board, Hardiebacker, Durock... Which one? It seems to be a matter of personal prefrence whether to use Durock, HardieBacker, 1/4 inch or 1/2 inch. Ask 10 different people and there will be 10 varied opinions. Thats part of what make things interesting. However Durock is acceptable for exterior applications where HardieBacker isn't. |