Jodi,
If applying the backerboard over a wood subfloor - yes, with nails and
adhesive.
Concrete slab - no. I believe the manufacturer advises the same.
Jodi wrote:
Can/should cement backerboard (1/4" wonderboard, specifically) be installed
over vinyl tile?
Yes, I'm looking for a shortcut if there is one.
Thanks,
Jodi
|