Replies

1. Expert Member
   Dana Dorsett | Feb 21, 2013 02:55pm | #1

   Caulking the studs to the sheathing from the interior side with acoustic sealing is pretty straightforward stuff (but buy a powered caulking gun, eh?)

   An air-tight drywall primer lives here:

   http://www.buildingscience.com/documents/information-sheets/air-barriers-airtight-drywall-approach/files/bscinfo_401_airtight_drywall_approach.pdf

   Note, the harder part to seal well at the gypsum layer is the electrical boxes, but there are purpose-made flanged boxes available designed to be foam-sealed, eg:

   http://airfoilinc.com/demo/demo.html

   Using fire-block foam or caulk to seal the electrical penetrations of wiring runs through studs and stud plates is also a high-value/low-cost air sealing enhancement.

2. GBA Editor
   Martin Holladay | Feb 22, 2013 08:15am | #2

   Eric,
   The two most common techniques used there days are the sealed sheathing method and the Airtight Drywall Approach.

   Here's an article on sealed sheathing: Airtight Wall and Roof Sheathing.

   Here's an article on the Airtight Drywall Approach: Airtight Drywall.

3. 
   michaelbluejay | Mar 28, 2016 12:35pm | #3

   Dana's link to the "air-tight drywall primer" is dead.

4. GBA Editor
   Martin Holladay | Mar 29, 2016 05:19am | #4

   Michael,
   Try this link instead: Air Barriers: Airtight Drywall Approach.