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Old 02-16-2012, 12:12 AM   #1
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Exterior wall insulation iowa climate

Hey everyone,

I think I have a void in my wall cavity in my master bedroom. When it's cold outside I feel a draft in a certain area. That same area gets colder to the touch than other places on that same wall.

I have some plugs in the siding which tells me that previous owners blew in wall insulation. I'm not sure if it's cellulose or fiberglass, but I think it's yellow (saw some insulation in the walls when putting dishwasher in).

So what should I do in this situation? Can I just rent a machine and blow in more insulation? Is it likely to fill that void on the wall cavity? Or is spray foam a better choice in this situation?
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Old 02-16-2012, 02:34 PM   #2
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You cannot properly dense pack with the DIY machines.

Have an insulation company take a look at it and see what is missing.

Yellow would be fiberglass in this case.
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