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Building/Tools Anything to do with construction, remodeling, etc.

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Old 04-10-2015, 11:48 PM
Ozark Male Ozark is offline
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Default blow cellulose

Has anyone tried this using plastic for a vapor barrier then blow in the cellulose thru a hole with a couple of holes in the upper corners of each stud space then put the rock up. Ifso how did you apply the plastic to the studs and not have pull away from the studs while you packed it.
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Old 04-11-2015, 06:00 PM
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Bearfootfarm Male Bearfootfarm is offline
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I've seen it done, and the best way to hold the plastic is to use furring strips

Another thing is RESIST that urge to "pack" the spaces, since insulation needs to be loose to work

It's more labor intensive than just putting in batts, and most people just rely on staples to hold the plastic, which often leads to aggravation when they tear out
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Old 04-12-2015, 12:23 AM
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I was figuring on using the stiff cardboard during stripes used to fur out sheet rock. But wanted some input adout it. From what I have read compressed cellulose has higher r value then fiberglass bates.
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Old 04-12-2015, 04:21 AM
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Quote:
Originally Posted by Ozark View Post
I was figuring on using the stiff cardboard during stripes used to fur out sheet rock. But wanted some input adout it. From what I have read compressed cellulose has higher r value then fiberglass bates.
You won't be getting "compressed cellulose" with nothing holding it in but plastic, and I wouldn't trust cardboard to be stiff enough to keep it from bowing out

To "pack" it, you need to hang the sheetrock first, and then force it in with a special blower (Not the kind you use for loose blown in insulation)

R values are nearly identical if thickness is the same, and cellulose tends to settle over time, whereas batts won't
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