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ASHRAE/UMC actually specify tape 'for ducts' to be UL 181A-P/181B-FX [0] which is commonly made of metal foil and not cloth. [0] https://tapeuniversity.com/pro

• p-e-w 3y ago
  No matter how mundane a random claim posted on HN is, there is always a user with expert knowledge willing and able to respond with a "well actually...", citing incredibly specific details that I've never even tangentially heard about in my entire life until that point.
• dynisor 3y ago
  I can find more [0] than [1] one [2] source that states that duct tape was ORIGINALLY used in duct work and that was later found out to be not good in duct work, so we don’t do that anymore. I’m a bit dumb, so are you saying that everyone else is wrong about history and duct tape never intended for ducts? That duct tape was not used for ducts all until 181A-P/181B-FX because it wasn’t allowed? Even your own source on a separate page [3] says: > After the war, duct tape became popular with the general public. One popular use was holding together ventilation ducts. Ironically, while this is a use that duct tape does not normally have today, the name stuck and is used to this day. So I am now confused. [0] https://www.chicagotribune.com/redeye/redeye-is-it-duck-or-d https://www.chicagotribune.com/redeye/redeye-is-it-duck-or-d... [1] https://en.m.wiktionary.org/wiki/duct_tape https://en.m.wiktionary.org/wiki/duct_tape [2] http://www.todayifoundout.com/index.php/2010/02/duct-tape-wa http://www.todayifoundout.com/index.php/2010/02/duct-tape-wa... [3] https://tapeuniversity.com/industry/building-construction/du https://tapeuniversity.com/industry/building-construction/du...
• deleted 3y ago
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