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vapour barrier in ceiling

#1
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11/14/03 at 8:06am
  • Joined: September 2002
  • Post Count: 13
I am building a HT in my basement, and am contemplating adding acoustical insulation in the interior walls and ceiling. Since this is the case, do I need a vapour barrier in the ceiling? Obviously, the exterior walls require a vapour barrier, but I am not sure about the ceiling and interior walls. Does it make a difference if I use standard insulation or specifically designed "acoustic" insulation?
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#2
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11/14/03 at 10:41am
  • Joined: March 2003
  • Post Count: 333
Philip J,

Vapor barriors are to stop moisture. So you don't need it on ceiling and some say you don't need it all the exterior walls if it is concrete ,but I would do it on the walls to be safe.

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