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Heard a crazy number about drywall dust at a supply house in Cincinnati
I was picking up some 5/8 firecode sheets yesterday and the guy behind the counter said a single sheet can put over 2 pounds of fine dust into the air if you cut it dry. Found that wild because I never really weighed it, you know? He said he read it in some safety bulletin from a few years back. Makes you think about the masks we use, right? What's the best respirator you all have found for that kind of super fine dust?
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christopher9525mo ago
Hold on, 2 pounds from ONE sheet? That number sounds WAY off to me. Sanding dry mud would release that much weight in dust, but cutting a single 5/8 board? You'd be left with sharp chips and larger particles, not 2 pounds of airborne silica flour. Most of that weight either falls to the floor or gets captured by the wall cavity. I bet that safety bulletin was talking about cumulative exposure from grinding old joint compound, not fresh drywall cuts.
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grace_perry446mo ago
My buddy learned the hard way, @quinn603, after his garage looked like a flour bomb went off from cutting one sheet.
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