What's the best way to attach 4 mil plastic (vapor barrier) to the studs? I tried to use regular nails (sinkers 4d 1 - 3/8'') but the plastic sheet goes off the studs (through the head of the nails) any time I pull the plastic sheet a little bit.

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    Staples. Don't forget to seal the seams with appropriate tape. – Tester101 Jun 30 '12 at 15:20
  • @Tester101 that could have been an answer. – BMitch Mar 3 '14 at 12:23

Just doing some repairs on my (Canadian) house and it uses black foam glue (the tube said "acoustic foam") around the edges and nails with an L shaped right angle head along the studs

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