03/08/2008
How it's Made: Gypsum Board (Drywall)
If you've always wondered how gypsum board (drywall) was manufactured, then check out this interesting "How it's Made" segment. Video after the break.
drywall panel is made of a paper liner wrapped around an inner core made primarily from gypsum plaster, the semi-hydrous form of calcium sulphate. The raw gypsum must be calcined before use
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