I have to replace a vinyl tile floor in a rental unit. I pulled up a couple
of the damaged tiles and found the plywood in the subfloor is delaminating.
So my plan is to pull up the rest of the tiles and then lay a new 1/4" of
plywood over the existing subfloor. When I was at HD today I noticed they
carry 1/4" Hardee board. Is there any advantage of using the harder and
stiffer Hardee board over 1/4 BC plywood?

The decorating committe (SWMBO, She Who Must Be Obeyed) has not decided on
more vinyl tile or a laminate floor, if it matters.

Bernei