To really do a proper venting, you really need to plan it at the time of construction.
Can't resist...... Your new store specializes in Sci-Fi and Aliens?
Welll good news and really bad news. . . .
Bad news- Even being out of work, I have to pay up on my medical or my employers will cancel my insurance. No insurance- no rehap thus not allowed to ever return to work. Evil Catch 22