Made in Colorado: Drywall uses gypsum found underground

24th July, 2015 by

By Melanie Wong

It’s rare to see items labeled “Made in USA” — but several indispensable products are made right here in Colorado. A subset of these have ingredients that come from in-state, rather than being assembled here using parts manufactured in far-flung places.One of them surrounds you — drywall. Sometimes known as gyp-board or sheet-rock, this inconspicuous product lines the walls of most homes and businesses. Back in the day, walls were made of lath-and-plaster, but such material fell out of favor because it was heavy, less fire resistant and hard to patch. Not to mention that it took a week to …

Source:: Vail Daily Feed



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