Which of the following types of gypsum board is used to eliminate the vapor barrier in outside walls?
A. Coreboard
B. Type X gypsum board
C. Gypsum backing board
D. Foil-backed gypsum board
D
Health Professions
A. Coreboard
B. Type X gypsum board
C. Gypsum backing board
D. Foil-backed gypsum board
D