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Old 02-22-13, 06:42 AM   #9
kabutomushi
Kabuto
 
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If I were doing an inner wall, I would take the old drywall and insulation down for several reasons:
1. I could inspect for rot, air gaps, etc.
2. I could install tyvek or similar air barrier.
3. I could pull staples on wiring to move sockets to the new wall.
4. I could get rid of the old vapor barrier and any potential complications from it.
5. I could choose to use foam insulation, or could at least use fresh, insulation.
6. I could install insulation properly--I have seen a lot of badly installed stuff.
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