Why Gypsum Bd Is Primed

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About About.com Home Renovations – What Is Greenboard Drywall
The gypsum material sandwiched between two paper coverings is the same. Also, whereas regular drywall comes in 1/4" and 1/2" sizes, greenboard drywall comes in 1/2" and 5/8" sizes. Greenboard goes by various brand names, such as American Gypsum's Aquabloc. … Read Article