answersLogoWhite

0

I would expect that backing board would be highly desirable for a variety of reasons:

* It provides a ridged support across the entire surface. Without it a slip could cause damage to the surround. * Sound insulation of the backing board will help make the noise in the other parts of the house. * Proper backing board for that area by code would require that it be water proof, which will keep the value of the home in better shape.

User Avatar

Wiki User

15y ago

What else can I help you with?