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A comment on Corrugated-paper-making machine patent (1918). Parent comment

Re:Corrugated-paper-making machine patent (1918) by djmips on Friday December 24, 2021 @06:49PM (#29678931)
The sheetrock probably helps prevent the quick spread of fire. So it's not exactly cardboard.
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Re:Corrugated-paper-making machine patent (1918) by kevin_thibedeau on Friday December 24, 2021 @09:02PM (#29679637)
There was a product called Beaverboard that predated sheetrock which is essentially a 1/2" thick panel of cardboard fiber.
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Re:Corrugated-paper-making machine patent (1918) by pochekailov on Friday December 24, 2021 @07:01PM (#29678987)
I really like your sarcasm.
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