Originally Posted by drewdin
when do you need a vapor barrier in the basement ceiling? I plan on insulating my basement ceiling also, the kitchen is above. The basement is not finished, would i still need a vapor barrier against the subfloor above? I didn't plan on using one, thx
No, I ment the walls floor to bottom of the floor above the ceiling.The plywood sheeting is the vapour barier for the floor
In post #1 he has insulation between joist above the wall, that's what I was talking about.