backing board

(redirected from Comic book backing board)

backing board

[′bak·iŋ ‚bȯrd]
(building construction)
In a suspended acoustical ceiling, a flat sheet of gypsum board to which acoustical tile is attached by adhesive or mechanical means.

backing board

In a suspended acoustical ceiling, a flat sheet of gypsum board to which acoustical tile is attached by adhesive or mechanical means.