Insulating basement ceiling


Old 10-21-00, 08:57 AM
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My living room is over an unfinished part of my basement. I'm thinking that placing insulation in the basement ceiling between the joists would be a good idea to keep the living room warmer. Looking for advice on doing so. Where does the vapor barrier (paper) face? Living room ceiling or basement floor? Do I use a faced insulation?
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Old 10-22-00, 03:03 AM
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Unless there is a reason not to, you should stud & insulate the the basement walls, not the floor. This will keep basement & living area warmer. Only insulating the floor will isolate the basement causing a cooler enviornment, condensation, mold & mildew.
The vapour barrier is always applied to the warm side of insulation. Where I live (Canada) friction fit insulation without paper backing & a poly vapour barrier is common.
Old 10-22-00, 07:37 AM
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I'm not thinking of finishing this part of my basement. I have one half finished already. This is where my furnace, oil tank and workbenches are. Should I just forget about insulating the basement ceiling?

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