Which way does insulation get installed?


Old 02-23-03, 10:47 AM
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Unhappy Which way does insulation get installed?

We have a new house(2 1/2 years) I was noticing in the basement the insulation already installed by the builder. Is the fiberglass supposed to be facing inside the house, or is the side with the paper supposed to be facing inside? I have a sick feeling that the builder did it wrong and my whole house was insulated this way. Does this mean we will get mold and have to rip everything down?
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Old 02-23-03, 11:36 AM
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The vapor barrier always goes toward the heated space.
You should see the vapor barrier side on unfinished interior walls, and you should see the fiberglass side under the house (unheated basement or crawlspace) and in an unheated attic.
Good luck!
Old 03-16-03, 05:06 PM
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If you are in the basement, looking up at the "ceiling'', and you can see the insulation, (i.e. the ceiling is unfinished), then you should see the fiberglass. The paper facing is flammable, and should not be exposed.
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