Thinking about when to drill and install the wall penetrations for the air supply...
Should you do it before the drywall is up or after?
If you do it after, how do you seal at the vapor barrier?
Should you do it before the drywall is up or after?
If you do it after, how do you seal at the vapor barrier?
Member
· Västra Götalands Län
· 529 posts
If you want it tight against the plastic, you need to fix it before the wallboard is up. Tape generously...